:root {
  --workspace-edge-gap: 1.5cm;
  --tool-dock-width: 48px;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  font-family: 'Segoe UI', sans-serif;
  background:
    radial-gradient(circle at top center, rgba(86, 101, 146, 0.18), transparent 34%),
    linear-gradient(180deg, #0c0f15 0%, #06080d 100%);
  color: white;
  position: relative;
}

[data-theme="light"] body {
  background:
    radial-gradient(circle at top center, rgba(157, 176, 212, 0.38), transparent 34%),
    linear-gradient(180deg, #f5f7fb 0%, #e8edf5 100%);
  color: black;
}

.write-boot {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: grid;
  place-items: center;
  padding: 22px;
  color: #f8fafc;
  background:
    linear-gradient(90deg, rgba(2, 6, 12, 0.9), rgba(8, 11, 20, 0.58), rgba(2, 6, 12, 0.9)),
    linear-gradient(180deg, #0c0f15 0%, #06080d 100%);
  overflow: hidden;
  pointer-events: auto;
}

[data-theme="light"] .write-boot {
  color: #0f172a;
  background:
    linear-gradient(90deg, rgba(232, 237, 245, 0.92), rgba(255, 255, 255, 0.6), rgba(232, 237, 245, 0.92)),
    linear-gradient(180deg, #f5f7fb 0%, #e8edf5 100%);
}

.write-boot::before,
.write-boot::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.write-boot::before {
  background-image: radial-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.36;
  animation: writeBootGridDrift 11s linear infinite;
}

[data-theme="light"] .write-boot::before {
  background-image: radial-gradient(rgba(15, 23, 42, 0.12) 1px, transparent 1px);
  opacity: 0.24;
}

.write-boot::after {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 18%, transparent 78%, rgba(0, 0, 0, 0.24)),
    radial-gradient(circle at 50% 38%, rgba(90, 90, 255, 0.18), transparent 42%);
}

[data-theme="light"] .write-boot::after {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), transparent 18%, transparent 78%, rgba(148, 163, 184, 0.16)),
    radial-gradient(circle at 50% 38%, rgba(90, 90, 255, 0.16), transparent 42%);
}

.write-boot.is-done {
  pointer-events: none;
  animation: writeBootOut 620ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.write-boot-shell {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  gap: 18px;
  width: min(520px, calc(100vw - 44px));
  animation: writeBootShellIn 720ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.write-boot-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  font-weight: 850;
  letter-spacing: 0.02em;
}

.write-boot-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.13);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .write-boot-mark {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(15, 23, 42, 0.1);
}

.write-boot-stage {
  position: relative;
  width: min(100%, 500px);
  aspect-ratio: 1.92 / 1;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    rgba(8, 11, 18, 0.74);
  background-size: 46px 46px, 46px 46px, auto;
  box-shadow:
    0 28px 80px rgba(0, 0, 0, 0.44),
    inset 0 0 0 1px rgba(255, 255, 255, 0.035),
    inset 0 20px 42px rgba(255, 255, 255, 0.035);
  overflow: hidden;
  transform-origin: center;
  animation: writeBootStagePulse 2.9s ease-in-out infinite;
}

[data-theme="light"] .write-boot-stage {
  background:
    linear-gradient(90deg, rgba(15, 23, 42, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(15, 23, 42, 0.06) 1px, transparent 1px),
    rgba(255, 255, 255, 0.74);
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow:
    0 28px 70px rgba(91, 109, 153, 0.18),
    inset 0 0 0 1px rgba(255, 255, 255, 0.4),
    inset 0 18px 38px rgba(255, 255, 255, 0.48);
}

.write-boot-stage::before {
  content: "";
  position: absolute;
  inset: 62px 28px 26px;
  border: 1px dashed rgba(255, 255, 255, 0.16);
  border-radius: 20px;
}

[data-theme="light"] .write-boot-stage::before {
  border-color: rgba(15, 23, 42, 0.13);
}

.write-boot-mini-toolbar {
  position: absolute;
  top: 20px;
  left: 24px;
  right: 24px;
  display: flex;
  gap: 10px;
}

.write-boot-mini-toolbar span {
  width: 42px;
  height: 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  animation: writeBootToolBlink 1.55s ease-in-out infinite;
}

.write-boot-mini-toolbar span:nth-child(1) {
  width: 66px;
  background: #5a5aff;
  box-shadow: 0 0 24px rgba(90, 90, 255, 0.42);
}

.write-boot-mini-toolbar span:nth-child(2) {
  animation-delay: 0.16s;
}

.write-boot-mini-toolbar span:nth-child(3) {
  animation-delay: 0.32s;
}

.write-boot-mini-toolbar span:nth-child(4) {
  animation-delay: 0.48s;
}

[data-theme="light"] .write-boot-mini-toolbar span {
  background: rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .write-boot-mini-toolbar span:nth-child(1) {
  background: #5a5aff;
}

.write-boot-stroke {
  position: absolute;
  inset: 24% 6% 14%;
  width: 88%;
  height: 62%;
  overflow: visible;
}

.write-boot-stroke path {
  stroke-linecap: round;
  stroke-linejoin: round;
}

.write-boot-stroke-main {
  stroke: #ffffff;
  stroke-width: 20;
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  filter: drop-shadow(0 16px 24px rgba(255, 255, 255, 0.12));
  animation: writeBootDraw 2.15s cubic-bezier(0.5, 0, 0.1, 1) infinite;
}

.write-boot-stroke-shadow {
  stroke: rgba(148, 163, 184, 0.58);
  stroke-width: 10;
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  animation: writeBootDraw 2.15s cubic-bezier(0.5, 0, 0.1, 1) 0.08s infinite;
}

.write-boot-stroke-thin {
  stroke: rgba(103, 232, 249, 0.7);
  stroke-width: 4;
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
  animation: writeBootDrawThin 2.15s cubic-bezier(0.5, 0, 0.1, 1) 0.3s infinite;
}

[data-theme="light"] .write-boot-stroke-main {
  stroke: #0f172a;
  filter: drop-shadow(0 14px 20px rgba(15, 23, 42, 0.14));
}

[data-theme="light"] .write-boot-stroke-shadow {
  stroke: rgba(90, 90, 255, 0.22);
}

.write-boot-pen {
  position: absolute;
  right: 10%;
  top: 42%;
  width: 136px;
  height: 30px;
  transform-origin: 82% 50%;
  animation: writeBootPen 2.15s cubic-bezier(0.5, 0, 0.1, 1) infinite;
}

.write-boot-pen::before {
  content: "";
  position: absolute;
  inset: 8px 28px 8px 0;
  border-radius: 999px;
  background: #f8fafc;
  box-shadow: inset -22px 0 0 rgba(90, 90, 255, 0.6);
}

[data-theme="light"] .write-boot-pen::before {
  background: #0f172a;
  box-shadow: inset -22px 0 0 rgba(90, 90, 255, 0.72);
}

.write-boot-pen::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 1px;
  width: 34px;
  height: 28px;
  clip-path: polygon(0 0, 100% 50%, 0 100%, 18% 50%);
  background: #f8fafc;
}

[data-theme="light"] .write-boot-pen::after {
  background: #0f172a;
}

.write-boot-pen span {
  position: absolute;
  right: 0;
  top: 13px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #67e8f9;
  box-shadow: 0 0 18px rgba(103, 232, 249, 0.8);
}

.write-boot-cursor {
  position: absolute;
  left: 12%;
  bottom: 18%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.84);
  box-shadow: 0 0 0 7px rgba(90, 90, 255, 0.12);
  animation: writeBootCursor 2.15s ease-in-out infinite;
}

[data-theme="light"] .write-boot-cursor {
  border-color: rgba(15, 23, 42, 0.74);
}

.write-boot-copy {
  position: relative;
  min-height: 26px;
  width: min(320px, 100%);
  text-align: center;
  color: rgba(248, 250, 252, 0.78);
  font-weight: 800;
  letter-spacing: 0.01em;
}

[data-theme="light"] .write-boot-copy {
  color: rgba(15, 23, 42, 0.7);
}

.write-boot-copy span {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translateY(8px);
  animation: writeBootCopySwap 2.4s ease-in-out infinite;
}

.write-boot-copy span:nth-child(2) {
  animation-delay: 1.2s;
}

.write-boot-progress {
  width: min(260px, 78vw);
  height: 7px;
  border-radius: 999px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

[data-theme="light"] .write-boot-progress {
  background: rgba(15, 23, 42, 0.1);
}

.write-boot-progress span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #67e8f9, #5a5aff, #facc15);
  transform-origin: left center;
  animation: writeBootProgress 1.85s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

body.write-booting .workspace-shell,
body.write-booting .toolbar,
body.write-booting .menu-btn,
body.write-booting footer {
  opacity: 0.26;
  filter: blur(7px);
}

body.write-boot-complete .workspace-shell {
  animation: writeBootStageSettle 620ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

body.write-boot-complete .toolbar .tool {
  animation: writeBootToolArrive 520ms cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--toolbar-index, 0) * 18ms);
}

body.write-boot-complete .menu-btn,
body.write-boot-complete footer {
  animation: writeBootChromeIn 540ms cubic-bezier(0.16, 1, 0.3, 1) 80ms both;
}

@keyframes writeBootGridDrift {
  from {
    background-position: 0 0;
  }

  to {
    background-position: 28px 28px;
  }
}

@keyframes writeBootShellIn {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes writeBootStagePulse {

  0%,
  100% {
    transform: translateY(0) rotate(-0.4deg);
  }

  50% {
    transform: translateY(-8px) rotate(0.4deg);
  }
}

@keyframes writeBootToolBlink {

  0%,
  100% {
    opacity: 0.45;
    transform: scaleX(0.88);
  }

  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes writeBootDraw {
  0% {
    stroke-dashoffset: 620;
  }

  56%,
  100% {
    stroke-dashoffset: 0;
  }
}

@keyframes writeBootDrawThin {

  0%,
  18% {
    stroke-dashoffset: 260;
    opacity: 0;
  }

  60%,
  100% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

@keyframes writeBootPen {
  0% {
    transform: translate(-180px, 56px) rotate(-31deg);
    opacity: 0;
  }

  12% {
    opacity: 1;
  }

  56%,
  100% {
    transform: translate(18px, -18px) rotate(-31deg);
    opacity: 1;
  }
}

@keyframes writeBootCursor {

  0%,
  100% {
    transform: translate(0, 0) scale(0.88);
    opacity: 0.42;
  }

  50% {
    transform: translate(30px, -10px) scale(1);
    opacity: 1;
  }
}

@keyframes writeBootCopySwap {

  0%,
  100% {
    opacity: 0;
    transform: translateY(8px);
  }

  12%,
  46% {
    opacity: 1;
    transform: translateY(0);
  }

  58% {
    opacity: 0;
    transform: translateY(-8px);
  }
}

@keyframes writeBootProgress {
  0% {
    transform: scaleX(0);
  }

  58% {
    transform: scaleX(0.82);
  }

  100% {
    transform: scaleX(1);
  }
}

@keyframes writeBootOut {
  0% {
    opacity: 1;
    transform: scale(1);
  }

  100% {
    opacity: 0;
    visibility: hidden;
    transform: scale(1.025);
  }
}

@keyframes writeBootStageSettle {
  from {
    opacity: 0.48;
    filter: blur(8px);
    transform: scale(0.986);
  }

  to {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

@keyframes writeBootToolArrive {
  from {
    opacity: 0;
    transform: translateY(-12px) scale(0.92);
  }

  72% {
    opacity: 1;
    transform: translateY(2px) scale(1.04);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes writeBootChromeIn {
  from {
    opacity: 0;
    filter: blur(7px);
    transform: translateY(-8px);
  }

  to {
    opacity: 1;
    filter: blur(0);
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  .write-boot {
    padding: 14px;
  }

  .write-boot-shell {
    gap: 14px;
    width: min(100%, 430px);
  }

  .write-boot-stage {
    aspect-ratio: 1.48 / 1;
    border-radius: 20px;
  }

  .write-boot-stage::before {
    inset: 56px 18px 22px;
    border-radius: 16px;
  }

  .write-boot-mini-toolbar {
    top: 18px;
    left: 18px;
    right: 18px;
    gap: 8px;
  }

  .write-boot-mini-toolbar span {
    width: 34px;
    height: 10px;
  }

  .write-boot-mini-toolbar span:nth-child(1) {
    width: 58px;
  }

  .write-boot-stroke {
    inset: 26% 4% 12%;
    width: 92%;
  }

  .write-boot-stroke-main {
    stroke-width: 17;
  }

  .write-boot-pen {
    width: 112px;
    right: 4%;
  }

  .write-boot-copy {
    font-size: 0.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {

  .write-boot,
  .write-boot *,
  .write-boot::before,
  .write-boot::after,
  body.write-boot-complete .workspace-shell,
  body.write-boot-complete .toolbar .tool,
  body.write-boot-complete .menu-btn,
  body.write-boot-complete footer {
    animation: none !important;
    transition: none !important;
  }

  .write-boot-stage,
  .write-boot-pen,
  .write-boot-cursor,
  .write-boot-copy span {
    transform: none !important;
  }

  .write-boot-stroke-main,
  .write-boot-stroke-shadow,
  .write-boot-stroke-thin {
    stroke-dashoffset: 0 !important;
  }

  .write-boot-copy span:first-child {
    opacity: 1;
  }

  .write-boot-progress span {
    transform: scaleX(1);
  }
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.34;
}

[data-theme="light"] body::before {
  background-image: radial-gradient(rgba(0, 0, 0, 0.08) 1px, transparent 1px);
  opacity: 0.24;
}

.workspace-shell {
  position: fixed;
  top: 88px;
  right: 0;
  bottom: 52px;
  left: 0;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 0 var(--workspace-edge-gap);
  box-sizing: border-box;
  z-index: 0;
  cursor: default;
}

.workspace-shell::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.88) 0%, rgba(5, 7, 10, 0.62) 16%, transparent 30%, transparent 70%, rgba(5, 7, 10, 0.62) 84%, rgba(5, 7, 10, 0.88) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 16%, transparent 84%, rgba(0, 0, 0, 0.2));
}

[data-theme="light"] .workspace-shell::before {
  background:
    linear-gradient(90deg, rgba(227, 232, 240, 0.86) 0%, rgba(227, 232, 240, 0.56) 16%, transparent 30%, transparent 70%, rgba(227, 232, 240, 0.56) 84%, rgba(227, 232, 240, 0.86) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 16%, transparent 84%, rgba(189, 198, 212, 0.18));
}

.workspace-stage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 0;
  z-index: 1;
  border-radius: 26px;
  overflow: hidden;
  background: rgba(7, 10, 15, 0.92);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 30px 70px rgba(0, 0, 0, 0.45),
    0 10px 24px rgba(0, 0, 0, 0.22);
}

[data-theme="light"] .workspace-stage {
  background: rgba(255, 255, 255, 0.92);
  box-shadow:
    0 0 0 1px rgba(80, 93, 118, 0.12),
    0 28px 56px rgba(121, 137, 161, 0.18),
    0 8px 20px rgba(121, 137, 161, 0.1);
}

.workspace-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    inset 0 24px 40px rgba(255, 255, 255, 0.03),
    inset 0 -24px 40px rgba(0, 0, 0, 0.24);
  z-index: 2;
}

[data-theme="light"] .workspace-stage::before {
  box-shadow:
    inset 0 0 0 1px rgba(89, 104, 129, 0.06),
    inset 0 24px 40px rgba(255, 255, 255, 0.38),
    inset 0 -24px 40px rgba(198, 206, 219, 0.32);
}

.workspace-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.18) 0%, transparent 8%, transparent 92%, rgba(0, 0, 0, 0.18) 100%);
  z-index: 2;
}

[data-theme="light"] .workspace-stage::after {
  background: linear-gradient(90deg, rgba(115, 127, 152, 0.12) 0%, transparent 8%, transparent 92%, rgba(115, 127, 152, 0.12) 100%);
}

.tool-dock {
  display: none;
}

.tool-dock-frame {
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  backdrop-filter: none;
}

.tool-dock-kicker {
  display: none;
}

[data-theme="light"] .tool-dock-kicker {
  color: #5b6d99;
}

.tool-dock-title {
  display: none;
}

.tool-dock-body {
  flex: 1;
  min-height: 0;
  overflow: visible;
  padding-right: 0;
}

.tool-dock-body::-webkit-scrollbar {
  width: 0;
}

.tool-dock-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
}

.tool-dock-empty {
  display: none;
}

[data-theme="light"] .tool-dock-empty {
  color: rgba(27, 38, 58, 0.7);
  background: rgba(91, 109, 153, 0.06);
  border-color: rgba(91, 109, 153, 0.1);
}

.tool-dock .tool-options.is-docked {
  display: none;
  position: static;
  top: auto;
  left: auto;
  transform: none;
  width: 100%;
  max-width: none;
  padding: 0;
  background: transparent;
  border-radius: 0;
  gap: 10px;
}

.tool-dock .tool-option-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: none;
}

.tool-option-heading,
.tool-dock .tool-options label>span {
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  opacity: 0.56;
  text-align: center;
}

.tool-dock .tool-options label {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.tool-size-controls {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  align-items: center;
  justify-items: center;
  width: 100%;
}

.tool-dock .tool-options input[type="range"] {
  width: 16px;
  height: 92px;
  margin: 0 auto;
  writing-mode: vertical-lr;
  direction: rtl;
  -webkit-appearance: slider-vertical;
}

.tool-dock .tool-options input[type="number"] {
  display: block;
  width: 42px;
  height: 24px;
  padding: 2px 4px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 11, 17, 0.44);
  color: inherit;
  box-sizing: border-box;
  text-align: center;
  font-size: 0.7rem;
}

[data-theme="light"] .tool-dock .tool-options input[type="number"] {
  border-color: rgba(89, 104, 129, 0.12);
  background: rgba(255, 255, 255, 0.72);
}

.tool-dock .tool-options input[type="color"] {
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
}

.tool-dock .colors {
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  margin-bottom: 0;
}

.tool-dock .color-swatch {
  width: 18px;
  height: 18px;
}

.line-types,
.arrow-styles,
.triangle-types {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.pen-styles {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  max-width: 204px;
}

.line-type-btn,
.arrow-style-btn,
.triangle-type-btn,
.pen-style-btn {
  width: 30px;
  height: 26px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.02);
  color: inherit;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.line-type-btn:hover,
.arrow-style-btn:hover,
.triangle-type-btn:hover,
.pen-style-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: none;
}

.line-type-btn,
.arrow-style-btn,
.triangle-type-btn {
  border-radius: 10px;
}

.line-type-btn.active,
.arrow-style-btn.active,
.triangle-type-btn.active,
.pen-style-btn.active {
  border-color: #5a5aff;
  background: rgba(90, 90, 255, 0.18);
}

.pen-style-btn {
  width: 34px;
  height: 30px;
  padding: 0;
  border-radius: 8px;
}

.pen-style-btn svg {
  display: block;
  width: 30px;
  height: 18px;
  overflow: visible;
}

[data-theme="light"] .line-type-btn,
[data-theme="light"] .arrow-style-btn,
[data-theme="light"] .triangle-type-btn,
[data-theme="light"] .pen-style-btn {
  border-color: rgba(89, 104, 129, 0.12);
  background: rgba(91, 109, 153, 0.04);
}

[data-theme="light"] .line-type-btn:hover,
[data-theme="light"] .arrow-style-btn:hover,
[data-theme="light"] .triangle-type-btn:hover,
[data-theme="light"] .pen-style-btn:hover {
  background: rgba(91, 109, 153, 0.12);
}

.tool-dock .shapes {
  flex-direction: column;
  align-items: center;
  margin-bottom: 0;
}

.tool-dock .pen-styles {
  display: grid;
  grid-template-columns: repeat(2, 22px);
  justify-content: center;
  gap: 5px 4px;
  max-width: none;
}

.tool-dock .pen-style-btn {
  width: 22px;
  height: 22px;
}

.tool-dock .pen-style-btn svg {
  width: 20px;
  height: 13px;
}

.pen-correction-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  margin: 0;
  color: inherit;
  font-size: 0.72rem;
  font-weight: 700;
}

.pen-correction-toggle input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: #5a5aff;
}

.tool-dock .pen-correction-toggle {
  flex-direction: column;
  gap: 5px;
  font-size: 0.56rem;
  line-height: 1.1;
  text-align: center;
}

body.menu-open .tool-dock {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-12px);
}


.toolbar,
#canvas-container,
footer,
.size-preview,
.side-menu,
.menu-btn,
.menu-overlay {
  position: relative;
  z-index: 1;
}


.toolbar {
  position: fixed;
  top: 10px;
  bottom: auto;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;

  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 8px;

  width: 100%;
  box-sizing: border-box;

  background: rgba(18, 18, 18, 0.17);
  padding: 10px;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0);
  transition: top 0.42s ease, bottom 0.42s ease, background 0.2s ease;
}

body.toolbar-location-down .toolbar {
  top: auto;
  bottom: 34px;
  gap: 7px;
  padding: 8px 10px;
  border-radius: 10px;
}

body.toolbar-location-down .tool-options {
  top: auto;
  bottom: 54px;
}

body.toolbar-relocating.toolbar-location-down .toolbar {
  animation: toolbarDockDown 540ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

body.toolbar-relocating.toolbar-location-up .toolbar {
  animation: toolbarDockUp 540ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

body.toolbar-relocating .toolbar .tool {
  animation: toolbarButtonSettle 420ms cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--toolbar-index, 0) * 18ms);
}

[data-theme="light"] .toolbar {
  background: rgba(255, 255, 255, 0.95);
  color: black;
}

.tool {
  font-size: 1.2rem;
  padding: 8px 12px;
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  border-radius: 8px;
  transition: background 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
  min-width: 40px;
  min-height: 40px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.menu-btn,
.menu-action-btn,
.notebook-toggle,
.toolbar-location-btn,
.ar-btn,
.pattern-option {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.tool:hover {
  background: rgba(100, 100, 100, 0.1);
}

.tool-icon {
  display: block;
  width: 23px;
  height: 23px;
  pointer-events: none;
  overflow: visible;
  transform-origin: 50% 50%;
  transition:
    transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.22s ease,
    opacity 0.18s ease;
}

.tool:hover .tool-icon {
  transform: translateY(-1px) scale(1.04);
}

@keyframes toolIconActivePop {
  0% {
    transform: scale(1) translateY(0);
  }

  50% {
    transform: scale(1.2) translateY(-3px) rotate(-5deg);
  }

  75% {
    transform: scale(1.05) translateY(-1px) rotate(2deg);
  }

  100% {
    transform: scale(1.1) translateY(-1px) rotate(0);
  }
}

.tool.active .tool-icon {
  filter: drop-shadow(0 0 7px rgba(90, 90, 255, 0.42));
  animation: toolIconActivePop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.tool-icon-accent,
.pen-ink-mark {
  stroke: #7dd3fc;
}

.eraser-clean-line {
  stroke: rgba(226, 232, 240, 0.76);
}

.eraser-dust {
  fill: rgba(226, 232, 240, 0.72);
}

.highlighter-chisel,
.highlighter-swatch {
  stroke: #facc15;
}

.highlighter-swatch {
  opacity: 0.92;
}

[data-theme="light"] .eraser-clean-line,
[data-theme="light"] .eraser-dust {
  stroke: rgba(71, 85, 105, 0.62);
  fill: rgba(71, 85, 105, 0.62);
}

.select-tool-icon {
  display: block;
  pointer-events: none;
}

.shape-tool {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.shape-tool-icon {
  position: relative;
  display: block;
  width: 23px;
  height: 23px;
  pointer-events: none;
}

.shape-tool-svg {
  position: absolute;
  inset: 0;
  display: block;
  opacity: 0;
  transform: scale(0.52) rotate(-18deg);
  transform-origin: 50% 50%;
  transition:
    opacity 0.18s ease,
    transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: visible;
}

.shape-tool-svg * {
  stroke-dasharray: 72;
  stroke-dashoffset: 0;
}

.shape-tool[data-shape="circle"] .shape-tool-circle,
.shape-tool[data-shape="square"] .shape-tool-square,
.shape-tool[data-shape="rectangle"] .shape-tool-rectangle,
.shape-tool[data-shape="triangle"] .shape-tool-triangle,
.shape-tool[data-shape="parallelogram"] .shape-tool-parallelogram,
.shape-tool[data-shape="rhombus"] .shape-tool-rhombus,
.shape-tool[data-shape="kite"] .shape-tool-kite {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.shape-tool.is-changing {
  animation: shapeToolPop 340ms cubic-bezier(0.16, 1, 0.3, 1);
}

.shape-tool.is-changing .shape-tool-svg {
  opacity: 0;
  transform: scale(0.52) rotate(-18deg);
  transition: none;
}

.shape-tool.is-changing[data-shape="circle"] .shape-tool-circle,
.shape-tool.is-changing[data-shape="square"] .shape-tool-square,
.shape-tool.is-changing[data-shape="rectangle"] .shape-tool-rectangle,
.shape-tool.is-changing[data-shape="triangle"] .shape-tool-triangle,
.shape-tool.is-changing[data-shape="parallelogram"] .shape-tool-parallelogram,
.shape-tool.is-changing[data-shape="rhombus"] .shape-tool-rhombus,
.shape-tool.is-changing[data-shape="kite"] .shape-tool-kite {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.shape-tool.is-changing[data-shape="circle"] .shape-tool-circle *,
.shape-tool.is-changing[data-shape="square"] .shape-tool-square *,
.shape-tool.is-changing[data-shape="rectangle"] .shape-tool-rectangle *,
.shape-tool.is-changing[data-shape="triangle"] .shape-tool-triangle *,
.shape-tool.is-changing[data-shape="parallelogram"] .shape-tool-parallelogram *,
.shape-tool.is-changing[data-shape="rhombus"] .shape-tool-rhombus *,
.shape-tool.is-changing[data-shape="kite"] .shape-tool-kite * {
  animation: shapeToolTrace 520ms ease both;
}

@keyframes toolSelectPop {
  0% {
    transform: scale(1);
  }

  40% {
    transform: scale(1.12);
  }

  70% {
    transform: scale(0.95);
  }

  100% {
    transform: scale(1);
  }
}

.tool.active {
  box-shadow: 0 0 0 3px #5a5aff;
  animation: toolSelectPop 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

body.toolbar-location-down .tool {
  min-width: 38px;
  min-height: 38px;
  padding: 7px 10px;
  font-size: 1.1rem;
}

@keyframes toolbarDockDown {
  0% {
    opacity: 0.72;
    transform: translate(-50%, calc(-100vh + 98px)) scale(0.98);
  }

  72% {
    opacity: 1;
    transform: translate(-50%, 8px) scale(1.01);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

@keyframes shapeToolPop {
  0% {
    transform: translateY(0) scale(0.92);
  }

  56% {
    transform: translateY(-1px) scale(1.12);
  }

  100% {
    transform: translateY(0) scale(1);
  }
}

@keyframes shapeToolTrace {
  0% {
    stroke-dashoffset: 72;
    opacity: 0.24;
  }

  100% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {

  .tool-icon,
  .shape-tool,
  .shape-tool-svg,
  .shape-tool-svg * {
    animation: none !important;
    transition: none !important;
  }
}

@keyframes toolbarDockUp {
  0% {
    opacity: 0.72;
    transform: translate(-50%, calc(100vh - 98px)) scale(0.98);
  }

  72% {
    opacity: 1;
    transform: translate(-50%, -8px) scale(1.01);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

@keyframes toolbarButtonSettle {
  0% {
    opacity: 0.58;
    transform: translateY(var(--toolbar-button-drift, 12px)) scale(0.94);
  }

  65% {
    opacity: 1;
    transform: translateY(calc(var(--toolbar-button-drift, 12px) * -0.28)) scale(1.05);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

body.toolbar-location-up.toolbar-relocating .toolbar .tool {
  --toolbar-button-drift: -12px;
}

@media (prefers-reduced-motion: reduce) {

  body.toolbar-relocating .toolbar,
  body.toolbar-relocating .toolbar .tool {
    animation: none;
  }
}

@media (max-width: 640px) {
  .toolbar {
    top: max(6px, env(safe-area-inset-top));
    display: grid;
    grid-template-columns: repeat(7, 36px);
    grid-auto-rows: 36px;
    justify-content: center;
    align-content: center;
    gap: 5px;
    width: max-content;
    max-width: calc(100vw - 12px);
    padding: 6px 8px;
    border-radius: 14px;
  }

  body.toolbar-location-down .toolbar {
    bottom: max(8px, env(safe-area-inset-bottom));
    gap: 5px;
    padding: 6px 8px;
    border-radius: 14px;
  }

  .toolbar .tool,
  body.toolbar-location-down .tool {
    width: 36px;
    height: 36px;
    min-width: 36px;
    min-height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.98rem;
    border-radius: 9px;
  }

  .toolbar .tool-icon,
  .toolbar .select-tool-icon,
  .toolbar .shape-tool-icon,
  .toolbar .shape-tool-svg {
    width: 20px;
    height: 20px;
  }

  .toolbar #zoomIn,
  .toolbar #zoomOut {
    display: none !important;
  }

  .toolbar .tool.active {
    box-shadow: 0 0 0 2px #5a5aff;
  }

  .tool-options {
    top: 90px;
    max-width: calc(100vw - 16px);
  }

  body.toolbar-location-down .tool-options {
    bottom: 90px;
  }
}

@media (max-width: 360px) {
  .toolbar {
    grid-template-columns: repeat(7, 33px);
    grid-auto-rows: 34px;
    gap: 4px;
    padding: 6px;
  }

  .toolbar .tool,
  body.toolbar-location-down .tool {
    width: 33px;
    height: 34px;
    min-width: 33px;
    min-height: 34px;
    font-size: 0.92rem;
  }

  .toolbar .tool-icon,
  .toolbar .select-tool-icon,
  .toolbar .shape-tool-icon,
  .toolbar .shape-tool-svg {
    width: 18px;
    height: 18px;
  }
}

@media (min-width: 1180px) {
  .tool-dock.is-enabled {
    display: block;
    position: fixed;
    left: 6px;
    width: var(--tool-dock-width);
    z-index: 7;
    opacity: 1;
    transition: transform 0.22s ease, opacity 0.22s ease;
  }

  .tool-dock.is-enabled:not(.has-active-panel) {
    display: none;
  }
}

@media (max-width: 900px) {
  .workspace-shell {
    padding: 0 10px;
  }

  .workspace-shell::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 14%, transparent 86%, rgba(0, 0, 0, 0.16));
  }

  [data-theme="light"] .workspace-shell::before {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 14%, transparent 86%, rgba(189, 198, 212, 0.14));
  }

  .workspace-stage {
    border-radius: 20px;
  }
}


.tool-options {
  display: none;
  flex-direction: column;
  background: rgba(18, 18, 18, 0.95);
  padding: 6px;
  border-radius: 6px;

  position: absolute;
  top: 60px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 11;

  max-width: 250px;
  transition: all 0.2s ease;
}

[data-theme="light"] .tool-options {
  background: rgba(255, 255, 255, 0.9);
  color: black;
}

.tool-options label {
  margin: 5px 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.colors {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
}

.color-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
}

.color-swatch:hover {
  border: 2px solid #5a5aff;
}


.size-input:focus {
  outline: 2px solid #5a5aff;
}


#canvas-container {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  cursor: crosshair;
  border-radius: inherit;
}


#drawingCanvas {
  width: 100%;
  height: 100%;
  background: transparent;
  touch-action: none;
}


body.keyboard-open .workspace-shell {
  transform: translateY(-100px);
  transition: transform 0.3s ease;
}


footer {
  position: fixed;
  bottom: 10px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  color: inherit;
  font-size: 0.9rem;
}

footer a {
  color: inherit;
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}


.size-preview {
  position: fixed;
  pointer-events: none;
  z-index: 1000;
  border: 2px dashed rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  display: none;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.5);
  transition: width 0.1s ease, height 0.1s ease;
}

[data-theme="light"] .size-preview {
  border-color: rgba(0, 0, 0, 0.7);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5);
}


.size-preview.pen {
  background: rgba(255, 255, 255, 0.1);
}

.size-preview.eraser {
  background: rgba(255, 0, 0, 0.1);
  border-color: rgba(255, 0, 0, 0.5);
}

.size-preview.highlight {
  background: rgba(255, 255, 0, 0.2);
  border-color: rgba(255, 255, 0, 0.5);
}

.size-preview.line {
  background: rgba(0, 0, 255, 0.1);
  border-color: rgba(0, 0, 255, 0.5);
}

.size-preview.shape {
  border: 2px solid rgba(0, 255, 255, 0.7);
  background: rgba(0, 255, 255, 0.1);
}


.size-preview .size-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: bold;
  color: white;
  text-shadow: 1px 1px 2px black;
  pointer-events: none;
  z-index: 1001;
}

[data-theme="light"] .size-preview .size-label {
  color: black;
  text-shadow: 1px 1px 2px white;
}


.shapes {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
  justify-content: center;
}

.shape-btn {
  width: 32px;
  height: 32px;
  border: 2px solid transparent;
  background: rgba(100, 100, 100, 0.2);
  border-radius: 4px;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
  transition: all 0.2s;
}

.shape-btn:hover {
  background: rgba(100, 100, 100, 0.4);
}

.shape-btn.active {
  border-color: #5a5aff;
  background: rgba(90, 90, 255, 0.2);
}


.clear-confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(5, 8, 14, 0.58);
  backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.clear-confirm-modal.active {
  opacity: 1;
  pointer-events: auto;
}

body.canvas-clearing #drawingCanvas,
body.canvas-clearing .toolbar,
body.canvas-clearing .menu-btn,
body.canvas-clearing .side-menu {
  pointer-events: none;
}

.clear-confirm-panel {
  position: relative;
  width: min(100%, 430px);
  padding: 28px 24px 24px;
  border-radius: 26px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(19, 21, 30, 0.98), rgba(8, 10, 16, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  transform: translateY(24px) scale(0.94);
  transition: transform 0.26s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.26s ease;
}

.clear-confirm-modal.active .clear-confirm-panel {
  transform: translateY(0) scale(1);
}

.clear-confirm-modal.is-confirming .clear-confirm-panel {
  transform: scale(0.98);
  box-shadow: 0 18px 44px rgba(255, 149, 73, 0.24);
}

.clear-confirm-panel::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto;
  height: 240px;
  background:
    radial-gradient(circle at center, rgba(255, 196, 92, 0.24), transparent 62%),
    radial-gradient(circle at 75% 30%, rgba(108, 137, 255, 0.18), transparent 42%);
  animation: clear-modal-drift 7s ease-in-out infinite alternate;
  pointer-events: none;
}

.clear-confirm-panel>* {
  position: relative;
  z-index: 1;
}

.clear-confirm-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.clear-confirm-close:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: rotate(90deg);
}

.clear-confirm-hero {
  position: relative;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  min-height: 130px;
}

.clear-confirm-orb {
  width: 90px;
  height: 90px;
  border-radius: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #ffd36b;
  background:
    radial-gradient(circle at 30% 30%, rgba(255, 243, 198, 0.42), rgba(255, 168, 86, 0.12) 48%, rgba(255, 255, 255, 0.04) 72%);
  border: 1px solid rgba(255, 211, 107, 0.28);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.24),
    0 14px 34px rgba(255, 153, 77, 0.18);
  animation: clear-orb-float 3.6s ease-in-out infinite;
}

.clear-confirm-rings,
.clear-confirm-rings::before,
.clear-confirm-rings::after {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  content: "";
  pointer-events: none;
}

.clear-confirm-rings {
  width: 128px;
  height: 128px;
  border: 1px solid rgba(255, 211, 107, 0.24);
  animation: clear-ring-pulse 2.8s ease-out infinite;
}

.clear-confirm-rings::before {
  width: 160px;
  height: 160px;
  border: 1px solid rgba(255, 211, 107, 0.12);
  animation: clear-ring-pulse 2.8s ease-out infinite 0.25s;
}

.clear-confirm-rings::after {
  width: 192px;
  height: 192px;
  border: 1px solid rgba(108, 137, 255, 0.12);
  animation: clear-ring-pulse 2.8s ease-out infinite 0.5s;
}

.clear-confirm-kicker {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  font-weight: 700;
  color: #ffd36b;
  text-align: center;
}

.clear-confirm-panel h3 {
  margin: 0;
  font-size: 1.8rem;
  text-align: center;
}

.clear-confirm-copy {
  margin: 12px 0 0;
  font-size: 0.98rem;
  line-height: 1.6;
  text-align: center;
  opacity: 0.78;
}

.clear-confirm-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}

.clear-confirm-btn {
  flex: 1 1 170px;
  min-height: 50px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.96rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.clear-confirm-btn:hover {
  transform: translateY(-2px);
}

.clear-confirm-btn:focus-visible,
.clear-confirm-close:focus-visible {
  outline: 2px solid #ffd36b;
  outline-offset: 2px;
}

.clear-confirm-cancel {
  color: inherit;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.1);
}

.clear-confirm-cancel:hover {
  background: rgba(255, 255, 255, 0.14);
}

.clear-confirm-danger {
  color: #101217;
  background: linear-gradient(135deg, #ffd36b, #ff985d);
  box-shadow: 0 14px 28px rgba(255, 151, 73, 0.28);
}

.clear-confirm-danger:hover {
  box-shadow: 0 18px 34px rgba(255, 151, 73, 0.34);
}

[data-theme="light"] .clear-confirm-modal {
  background: rgba(235, 238, 245, 0.6);
}

[data-theme="light"] .clear-confirm-panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 244, 237, 0.96));
  border-color: rgba(125, 98, 45, 0.12);
  box-shadow: 0 28px 70px rgba(93, 73, 40, 0.18);
}

[data-theme="light"] .clear-confirm-close,
[data-theme="light"] .clear-confirm-cancel {
  background: rgba(94, 74, 42, 0.08);
  border-color: rgba(94, 74, 42, 0.1);
}

[data-theme="light"] .clear-confirm-close:hover,
[data-theme="light"] .clear-confirm-cancel:hover {
  background: rgba(94, 74, 42, 0.12);
}

[data-theme="light"] .clear-confirm-copy {
  opacity: 0.68;
}

@media (max-width: 560px) {
  .clear-confirm-modal {
    padding: 16px;
  }

  .clear-confirm-panel {
    padding: 24px 18px 18px;
    border-radius: 22px;
  }

  .clear-confirm-hero {
    min-height: 116px;
  }

  .clear-confirm-panel h3 {
    font-size: 1.55rem;
  }

  .clear-confirm-actions {
    flex-direction: column;
  }
}

@keyframes clear-modal-drift {
  0% {
    transform: translate3d(-12px, -6px, 0) scale(0.98);
  }

  100% {
    transform: translate3d(12px, 10px, 0) scale(1.04);
  }
}

@keyframes clear-orb-float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes clear-ring-pulse {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.82);
  }

  28% {
    opacity: 0.5;
  }

  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.16);
  }
}


.menu-btn {
  position: fixed;
  top: 1.2rem;
  left: 1.2rem;
  z-index: 9999;
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(18, 18, 18, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
  cursor: pointer;

  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 0 12px;
  color: #fff;
}

[data-theme="light"] .menu-btn {
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(0, 0, 0, 0.08);
  color: #000;
}

.menu-btn span {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  opacity: 0.9;
  border-radius: 2px;
}


@media (max-width: 640px) {
  .menu-btn {
    top: auto;
    bottom: 3.2rem;
    left: 1rem;
  }

  body.toolbar-location-down .menu-btn {
    top: 1rem;
    bottom: auto;
  }
}

.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: 270px;
  padding: 78px 16px 16px;
  box-sizing: border-box;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  z-index: 10000;

  background: rgba(12, 12, 12, 0.94);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);

  transform: translateX(-110%);
  transition: transform 0.25s ease;
}

[data-theme="light"] .side-menu {
  background: rgba(245, 245, 245, 0.95);
  border-right: 1px solid rgba(0, 0, 0, 0.08);
}

.menu-item {
  display: block;
  padding: 12px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.menu-item:hover {
  background: rgba(120, 120, 255, 0.12);
  transform: translateX(2px);
}

.menu-item-support {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 12px;
  border: 1px solid rgba(244, 180, 67, 0.32);
  background:
    linear-gradient(135deg, rgba(244, 180, 67, 0.22), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.03);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
}

.menu-item-support:hover {
  background:
    linear-gradient(135deg, rgba(244, 180, 67, 0.3), rgba(120, 120, 255, 0.12)),
    rgba(255, 255, 255, 0.05);
  border-color: rgba(244, 180, 67, 0.52);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.22);
}

[data-theme="light"] .menu-item-support {
  border-color: rgba(176, 110, 18, 0.2);
  background:
    linear-gradient(135deg, rgba(244, 180, 67, 0.18), rgba(255, 255, 255, 0.86)),
    rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 20px rgba(145, 111, 40, 0.12);
}

[data-theme="light"] .menu-item-support:hover {
  border-color: rgba(176, 110, 18, 0.34);
  background:
    linear-gradient(135deg, rgba(244, 180, 67, 0.25), rgba(255, 255, 255, 0.96)),
    rgba(255, 255, 255, 0.98);
}

.menu-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.14);
  color: #ffd36a;
}

[data-theme="light"] .menu-item-icon {
  background: rgba(255, 255, 255, 0.72);
  color: #8a5410;
}

.menu-item-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.menu-item-title {
  font-weight: 700;
}

.menu-item-subtitle {
  font-size: 0.8rem;
  font-weight: 500;
  opacity: 0.72;
}

.menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

body.menu-open .side-menu {
  transform: translateX(0);
}

body.menu-open .menu-overlay {
  opacity: 1;
  pointer-events: auto;
}

body.menu-open #sideMenu.side-menu {
  transform: translateX(0) !important;
}


.menu-section {
  position: relative;
  margin-top: 10px;
}

.menu-section-label {
  margin: 0 2px 7px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.72;
}

.menu-action-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: inherit;
}

[data-theme="light"] .menu-action-btn {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.menu-action-btn:hover {
  background: rgba(120, 120, 255, 0.12);
}

.menu-action-btn .chev {
  opacity: 0.8;
}

.pattern-preview {
  margin-top: 10px;
  height: 62px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

[data-theme="light"] .pattern-preview {
  border: 1px solid rgba(0, 0, 0, 0.08);
  background: rgba(0, 0, 0, 0.03);
}

.pattern-pop {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  width: 100%;
  border-radius: 14px;
  padding: 10px;
  z-index: 10001;

  background: rgba(12, 12, 12, 0.96);
  border: 1px solid rgba(255, 255, 255, 0.10);
  backdrop-filter: blur(14px);

  transform: translateY(-6px);
  opacity: 0;
  pointer-events: none;
  transition: 0.18s ease;
}

[data-theme="light"] .pattern-pop {
  background: rgba(250, 250, 250, 0.96);
  border: 1px solid rgba(0, 0, 0, 0.10);
}

.pattern-pop.open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.pattern-option {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 10px;
  border-radius: 12px;
  background: transparent;
  border: none;
  cursor: pointer;
  color: inherit;
  font-weight: 650;
}

.pattern-option:hover {
  background: rgba(120, 120, 255, 0.12);
}

.mini-swatch {
  width: 32px;
  height: 24px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  background: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .mini-swatch {
  border: 1px solid rgba(0, 0, 0, 0.10);
  background: rgba(0, 0, 0, 0.03);
}

.mini-swatch.dot {
  background-image: radial-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px);
  background-size: 10px 10px;
}

.mini-swatch.lines {
  background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.35) 1px, transparent 1px);
  background-size: 100% 10px;
}

.mini-swatch.graph {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.30) 1px, transparent 1px),
    linear-gradient(to right, rgba(255, 255, 255, 0.30) 1px, transparent 1px);
  background-size: 10px 10px;
}

[data-theme="light"] .mini-swatch.dot {
  background-image: radial-gradient(rgba(0, 0, 0, 0.25) 1px, transparent 1px);
}

[data-theme="light"] .mini-swatch.lines {
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.20) 1px, transparent 1px);
}

[data-theme="light"] .mini-swatch.graph {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.18) 1px, transparent 1px),
    linear-gradient(to right, rgba(0, 0, 0, 0.18) 1px, transparent 1px);
}


[data-pattern="dot"] #paperPattern {
  background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 24px 24px;
}

[data-pattern="lines"] #paperPattern {
  background-image: linear-gradient(to bottom, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 100% 32px;
}

[data-pattern="graph"] #paperPattern {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(to right, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 28px 28px;
}

[data-theme="light"][data-pattern="dot"] #paperBg {
  background-image: radial-gradient(rgba(0, 0, 0, 0.12) 1px, transparent 1px);
}

[data-theme="light"][data-pattern="lines"] #paperBg {
  background-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.10) 1px, transparent 1px);
}

[data-theme="light"][data-pattern="graph"] #paperBg {
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.10) 1px, transparent 1px),
    linear-gradient(to right, rgba(0, 0, 0, 0.10) 1px, transparent 1px);
}

#drawingCanvas {
  background: transparent;
}



#arVideo {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  transform: scaleX(-1);
  pointer-events: none;
}

#arVideo.active {
  display: block;
}

body.ar-active {
  background-color: #000 !important;
  background-image: none !important;
}

body.ar-active::before,
body.ar-active .workspace-shell::before {
  opacity: 0;
}

body.ar-active #zoomIn,
body.ar-active #zoomOut,
body.ar-active #panMode {
  opacity: 0.3;
  pointer-events: none;
}


.ar-section {
  margin-top: 10px;
}

#arSection.ar-section {
  display: block !important;
}

.ar-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.2px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
  color: inherit;
  font-size: 0.95rem;
  transition: background 0.2s;
}

[data-theme="light"] .ar-btn {
  background: rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.ar-btn:hover {
  background: rgba(120, 120, 255, 0.12);
}

.ar-btn.active {
  background: rgba(90, 90, 255, 0.25);
  border-color: rgba(90, 90, 255, 0.5);
}

.ar-btn.loading {
  opacity: 0.6;
  pointer-events: none;
}

.ar-btn i {
  font-size: 1.1rem;
}

.toolbar-location-section {
  display: grid;
  gap: 8px;
}

.toolbar-location-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

[data-theme="light"] .toolbar-location-toggle {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
}

.toolbar-location-btn {
  min-height: 38px;
  border: 0;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: inherit;
  background: transparent;
  cursor: pointer;
  font-weight: 800;
  font-size: 0.84rem;
  transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease;
}

.toolbar-location-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.toolbar-location-btn.active {
  color: #ffffff;
  background: rgba(90, 90, 255, 0.34);
  box-shadow: inset 0 0 0 1px rgba(150, 150, 255, 0.36);
}

[data-theme="light"] .toolbar-location-btn.active {
  color: #1f1b62;
  background: rgba(90, 90, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(90, 90, 255, 0.22);
}


@media (hover: none),
(pointer: coarse) {
  .ar-btn {
    min-height: 52px;
  }
}

@media (max-width: 1023px) {
  .ar-section {
    display: block;
  }
}

.ppt-menu-section {
  display: grid;
  gap: 8px;
}

.notebook-menu-section {
  display: grid;
  gap: 8px;
}

.ppt-slide-nav[hidden],
.ppt-deck-panel[hidden],
#pptImportOverlay[hidden],
#pptExportTool[hidden],
#notebookExportTool[hidden] {
  display: none !important;
}

.ppt-import-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.ppt-import-chip {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 800;
  color: #dbeafe;
  background: rgba(90, 90, 255, 0.22);
  border: 1px solid rgba(120, 120, 255, 0.34);
}

[data-theme="light"] .ppt-import-chip {
  color: #3730a3;
  background: rgba(90, 90, 255, 0.10);
  border-color: rgba(90, 90, 255, 0.22);
}

.ppt-import-status {
  min-height: 18px;
  padding: 0 2px;
  font-size: 0.75rem;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.62);
}

[data-theme="light"] .ppt-import-status {
  color: rgba(15, 23, 42, 0.66);
}

.ppt-import-status[data-tone="success"] {
  color: #86efac;
}

.ppt-import-status[data-tone="error"] {
  color: #fca5a5;
}

.ppt-import-status[data-tone="loading"] {
  min-height: 0;
  color: transparent;
}

.notebook-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-radius: 13px;
  cursor: pointer;
  color: inherit;
  background:
    linear-gradient(135deg, rgba(90, 90, 255, 0.12), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.16s ease;
}

.notebook-toggle:hover {
  transform: translateY(-1px);
  border-color: rgba(126, 119, 255, 0.34);
  background:
    linear-gradient(135deg, rgba(90, 90, 255, 0.18), rgba(255, 255, 255, 0.06)),
    rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .notebook-toggle {
  background:
    linear-gradient(135deg, rgba(90, 90, 255, 0.12), rgba(255, 255, 255, 0.78)),
    rgba(255, 255, 255, 0.9);
  border-color: rgba(91, 109, 153, 0.16);
}

.notebook-toggle-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
  text-align: left;
}

.notebook-toggle-title {
  font-weight: 850;
  letter-spacing: 0.02em;
}

.notebook-toggle-status {
  font-size: 0.78rem;
  font-weight: 650;
  color: rgba(255, 255, 255, 0.62);
}

[data-theme="light"] .notebook-toggle-status {
  color: rgba(15, 23, 42, 0.62);
}

.notebook-toggle-status[data-tone="success"] {
  color: #86efac;
}

.notebook-toggle-status[data-tone="error"] {
  color: #fca5a5;
}

.notebook-toggle-status[data-tone="loading"] {
  color: #bae6fd;
}

.notebook-switch {
  position: relative;
  flex: 0 0 auto;
  width: 48px;
  height: 28px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.14);
}

.notebook-switch span {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #f8fafc;
  box-shadow: 0 5px 12px rgba(0, 0, 0, 0.26);
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), background 0.2s ease;
}

body.notebook-active .notebook-toggle {
  border-color: rgba(103, 232, 249, 0.46);
  background:
    linear-gradient(135deg, rgba(103, 232, 249, 0.22), rgba(90, 90, 255, 0.16)),
    rgba(255, 255, 255, 0.07);
}

body.notebook-active .notebook-switch {
  background: linear-gradient(135deg, #67e8f9, #7c7cff);
  border-color: rgba(255, 255, 255, 0.26);
}

body.notebook-active .notebook-switch span {
  transform: translateX(20px);
  background: #ffffff;
}

.ppt-import-btn.loading {
  pointer-events: none;
}

body.notebook-active #pptImportBtn {
  opacity: 0.54;
}

.ppt-import-btn.loading .ppt-import-chip {
  color: #0f172a;
  background: linear-gradient(135deg, #67e8f9, #fde68a);
  border-color: rgba(255, 255, 255, 0.28);
  animation: pptChipPulse 1.4s ease-in-out infinite;
}

.ppt-import-overlay {
  position: fixed;
  inset: 0;
  z-index: 1700;
  display: grid;
  place-items: center;
  padding: 20px;
  background:
    linear-gradient(180deg, rgba(3, 7, 18, 0.16), rgba(3, 7, 18, 0.42));
  backdrop-filter: blur(7px);
  animation: pptOverlayIn 180ms ease-out both;
  pointer-events: auto;
}

.ppt-import-overlay.is-finishing {
  pointer-events: none;
}

[data-theme="light"] .ppt-import-overlay {
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.2), rgba(15, 23, 42, 0.12));
}

.ppt-loader {
  width: min(360px, calc(100vw - 40px));
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  color: #f8fafc;
  background:
    linear-gradient(145deg, rgba(9, 13, 24, 0.92), rgba(19, 27, 41, 0.86));
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  overflow: hidden;
  position: relative;
}

[data-theme="light"] .ppt-loader {
  color: #0f172a;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(241, 245, 249, 0.88));
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.18);
}

.ppt-loader::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent, rgba(103, 232, 249, 0.14), transparent);
  transform: translateX(-100%);
  animation: pptPanelSweep 2.1s ease-in-out infinite;
  pointer-events: none;
}

.ppt-loader-visual {
  position: relative;
  width: 142px;
  height: 118px;
  margin: 4px auto 14px;
}

.ppt-loader-slide {
  position: absolute;
  width: 92px;
  height: 58px;
  left: 35px;
  top: 28px;
  border-radius: 7px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  background:
    linear-gradient(135deg, rgba(103, 232, 249, 0.95), rgba(250, 204, 21, 0.92));
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
}

[data-theme="light"] .ppt-loader-slide {
  border-color: rgba(15, 23, 42, 0.12);
}

.ppt-loader-slide.slide-back {
  transform: translate(-20px, 13px) rotate(-10deg);
  opacity: 0.42;
  background:
    linear-gradient(135deg, rgba(34, 197, 94, 0.72), rgba(103, 232, 249, 0.72));
  animation: pptSlideBack 1.8s ease-in-out infinite;
}

.ppt-loader-slide.slide-mid {
  transform: translate(-8px, 4px) rotate(-4deg);
  opacity: 0.64;
  background:
    linear-gradient(135deg, rgba(96, 165, 250, 0.78), rgba(251, 146, 60, 0.78));
  animation: pptSlideMid 1.8s ease-in-out infinite;
}

.ppt-loader-slide.slide-front {
  transform: translate(8px, -6px) rotate(3deg);
  animation: pptSlideFront 1.8s ease-in-out infinite;
  overflow: hidden;
}

.ppt-loader-lines {
  position: absolute;
  left: 13px;
  right: 13px;
  top: 16px;
  bottom: 14px;
  background:
    linear-gradient(to bottom, rgba(15, 23, 42, 0.42) 0 3px, transparent 3px 10px),
    linear-gradient(to right, rgba(15, 23, 42, 0.24) 0 24px, transparent 24px);
  background-size: 100% 10px, 100% 100%;
  opacity: 0.56;
}

.ppt-loader-scan {
  position: absolute;
  inset: -28px auto -28px -30px;
  width: 24px;
  background: rgba(255, 255, 255, 0.88);
  filter: blur(2px);
  transform: rotate(16deg);
  animation: pptScan 1.28s ease-in-out infinite;
}

.ppt-loader-ring {
  position: absolute;
  inset: 5px 8px auto auto;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.22);
  border-top-color: #67e8f9;
  border-right-color: #facc15;
  animation: pptRingSpin 1s linear infinite;
}

.ppt-loader-info {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.ppt-loader-title {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.92rem;
  font-weight: 900;
}

.ppt-loader-count {
  flex: 0 0 auto;
  min-width: 52px;
  text-align: right;
  color: #fde68a;
  font-size: 0.86rem;
  font-weight: 900;
}

[data-theme="light"] .ppt-loader-count {
  color: #ca8a04;
}

.ppt-loader-track {
  position: relative;
  z-index: 1;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

[data-theme="light"] .ppt-loader-track {
  background: rgba(15, 23, 42, 0.1);
}

.ppt-loader-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background:
    linear-gradient(90deg, #67e8f9, #22c55e, #facc15);
  box-shadow: 0 0 18px rgba(103, 232, 249, 0.45);
  transition: width 180ms ease;
}

@keyframes pptOverlayIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes pptPanelSweep {
  0% {
    transform: translateX(-120%);
  }

  58%,
  100% {
    transform: translateX(120%);
  }
}

@keyframes pptChipPulse {

  0%,
  100% {
    box-shadow: 0 0 0 rgba(103, 232, 249, 0);
  }

  50% {
    box-shadow: 0 0 18px rgba(103, 232, 249, 0.45);
  }
}

@keyframes pptSlideBack {

  0%,
  100% {
    transform: translate(-20px, 13px) rotate(-10deg);
  }

  50% {
    transform: translate(-27px, 17px) rotate(-13deg);
  }
}

@keyframes pptSlideMid {

  0%,
  100% {
    transform: translate(-8px, 4px) rotate(-4deg);
  }

  50% {
    transform: translate(-11px, 8px) rotate(-7deg);
  }
}

@keyframes pptSlideFront {

  0%,
  100% {
    transform: translate(8px, -6px) rotate(3deg);
  }

  50% {
    transform: translate(13px, -12px) rotate(6deg);
  }
}

@keyframes pptScan {
  0% {
    left: -34px;
    opacity: 0;
  }

  18% {
    opacity: 0.95;
  }

  78% {
    opacity: 0.95;
  }

  100% {
    left: 104px;
    opacity: 0;
  }
}

@keyframes pptRingSpin {
  to {
    transform: rotate(360deg);
  }
}

.ppt-deck-panel {
  position: fixed;
  right: 18px;
  top: 82px;
  z-index: 1200;
  width: min(300px, calc(100vw - 36px));
  padding: 14px;
  border-radius: 14px;
  color: #f8fafc;
  background: rgba(10, 14, 22, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 18px 58px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.ppt-export-tool {
  color: #f8fafc;
}

.ppt-export-mark,
.notebook-export-mark {
  display: block;
  width: 20px;
  height: 20px;
}

.notebook-export-tool {
  color: #e0f2fe;
}

[data-theme="light"] .notebook-export-tool {
  color: #075985;
}

.ppt-export-tool.active {
  background: rgba(90, 90, 255, 0.22);
  border-color: rgba(128, 128, 255, 0.48);
}

.notebook-export-tool.active,
.notebook-export-tool:hover {
  background: rgba(103, 232, 249, 0.16);
  box-shadow: 0 0 0 2px rgba(103, 232, 249, 0.18);
}

[data-theme="light"] .notebook-export-tool.active,
[data-theme="light"] .notebook-export-tool:hover {
  color: #0f172a;
  background: rgba(14, 165, 233, 0.16);
  box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.2);
}

[data-theme="light"] .ppt-deck-panel {
  color: #0f172a;
  background: rgba(255, 255, 255, 0.88);
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 18px 58px rgba(15, 23, 42, 0.16);
}

.ppt-deck-kicker {
  font-size: 0.68rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(191, 219, 254, 0.86);
}

[data-theme="light"] .ppt-deck-kicker {
  color: #4f46e5;
}

.ppt-deck-panel h3 {
  margin: 6px 0 4px;
  font-size: 0.98rem;
  line-height: 1.2;
  word-break: break-word;
}

.ppt-deck-panel p {
  margin: 0 0 12px;
  color: rgba(226, 232, 240, 0.68);
  font-size: 0.82rem;
}

[data-theme="light"] .ppt-deck-panel p {
  color: rgba(15, 23, 42, 0.62);
}

.ppt-export-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.ppt-export-btn,
.ppt-close-deck,
.ppt-slide-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: inherit;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

[data-theme="light"] .ppt-export-btn,
[data-theme="light"] .ppt-close-deck,
[data-theme="light"] .ppt-slide-btn {
  border-color: rgba(15, 23, 42, 0.12);
  background: rgba(15, 23, 42, 0.05);
}

.ppt-export-btn {
  min-height: 40px;
  border-radius: 10px;
  font-weight: 850;
}

.ppt-export-btn:hover,
.ppt-close-deck:hover,
.ppt-slide-btn:hover:not(:disabled) {
  background: rgba(90, 90, 255, 0.22);
  border-color: rgba(128, 128, 255, 0.38);
}

.ppt-close-deck {
  width: 100%;
  min-height: 36px;
  margin-top: 9px;
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 750;
}

.ppt-slide-nav {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 1300;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: 999px;
  color: #f8fafc;
  background: rgba(10, 14, 22, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

[data-theme="light"] .ppt-slide-nav {
  color: #0f172a;
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.14);
}

.ppt-slide-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 0.9rem;
}

.ppt-slide-btn span {
  display: block;
  transform: translateY(-1px);
  font-size: 1.55rem;
  line-height: 1;
  font-weight: 900;
}

.ppt-slide-btn:disabled {
  opacity: 0.38;
  cursor: default;
}

.ppt-slide-counter {
  min-width: 66px;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.02em;
}

body.ppt-active .pattern-preview,
body.ppt-active #patternBtn {
  opacity: 0.45;
}

@media (max-width: 900px) {
  .ppt-deck-panel {
    top: auto;
    right: 12px;
    left: 12px;
    bottom: 76px;
    width: auto;
    padding: 12px;
  }

  .ppt-deck-panel h3,
  .ppt-deck-panel p,
  .ppt-deck-kicker {
    display: none;
  }

  .ppt-deck-panel {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: center;
  }

  .ppt-export-actions {
    grid-template-columns: 1fr 1fr;
  }

  .ppt-close-deck {
    margin-top: 0;
    width: auto;
    min-width: 44px;
    padding: 0 12px;
  }

  .ppt-slide-nav {
    right: 12px;
    bottom: 16px;
  }
}

@media (max-width: 520px) {
  .ppt-deck-panel {
    grid-template-columns: 1fr;
  }

  .ppt-close-deck {
    width: 100%;
  }

  .ppt-slide-counter {
    min-width: 56px;
  }
}


/* ══════════════════════════════════════════════════════
   YouTube Mini-Player
   ══════════════════════════════════════════════════════ */

/* ── Toolbar button icon ─────────────────────────── */
.yt-tool-icon {
  display: block;
  pointer-events: none;
  overflow: visible;
  transform-origin: 50% 50%;
  transition:
    transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
    filter 0.22s ease;
}

.tool:hover .yt-tool-icon {
  transform: translateY(-1px) scale(1.06);
}

.tool.yt-active .yt-tool-icon {
  filter: drop-shadow(0 0 8px rgba(255, 0, 0, 0.45));
}

.tool.yt-playing {
  animation: ytBtnPulse 2.4s ease-in-out infinite;
}

body.yt-runtime-active .tool.yt-playing {
  animation: none;
}

/* ── Player panel ────────────────────────────────── */
.yt-player[hidden] {
  display: none !important;
}

.yt-player {
  position: fixed;
  z-index: 100;
  box-sizing: border-box;
  width: 420px;
  height: 300px;
  min-width: 280px;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  background: rgba(12, 14, 20, 0.985);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.52),
    0 8px 24px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  transition: box-shadow 0.3s ease, height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  contain: layout paint style;
}

/* Opening */
.yt-player.yt-opening {
  animation: ytSlideIn 0.48s cubic-bezier(0.16, 1, 0.3, 1) both;
  will-change: transform, opacity;
}

/* Closing */
.yt-player.yt-closing {
  animation: ytSlideOut 0.36s cubic-bezier(0.55, 0, 1, 0.45) both;
  pointer-events: none;
  will-change: transform, opacity;
}

/* Minimized */
.yt-player.yt-minimized {
  height: 46px !important;
  min-height: 46px;
  border-radius: 12px;
}

.yt-player.yt-minimized .yt-search-bar,
.yt-player.yt-minimized .yt-video-container,
.yt-player.yt-minimized .yt-resize-edge {
  opacity: 0;
  pointer-events: none;
  max-height: 0;
  overflow: hidden;
}

/* Dragging */
.yt-player.yt-dragging {
  opacity: 0.9;
  box-shadow:
    0 36px 80px rgba(0, 0, 0, 0.55),
    0 0 0 2px rgba(255, 60, 60, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  cursor: grabbing !important;
  transition: none;
  will-change: left, top;
}

.yt-player.yt-dragging iframe,
.yt-player.yt-resizing iframe {
  pointer-events: none;
}

.yt-player.yt-resizing {
  transition: none;
  user-select: none;
  will-change: left, top, width, height;
}

/* ── Header ──────────────────────────────────────── */
.yt-player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.02);
}

.yt-drag-handle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: grab;
  flex: 1;
  padding: 3px 0;
  user-select: none;
  -webkit-user-select: none;
}

.yt-drag-handle:active {
  cursor: grabbing;
}

.yt-drag-dots {
  opacity: 0.45;
  flex-shrink: 0;
  transition: opacity 0.2s ease;
}

.yt-drag-handle:hover .yt-drag-dots {
  opacity: 0.7;
}

.yt-player-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  opacity: 0.65;
  text-transform: uppercase;
}

.yt-player-controls {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.yt-ctrl-btn {
  width: 26px;
  height: 26px;
  border: none;
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.62rem;
  transition: background 0.18s ease, transform 0.18s ease, color 0.18s ease;
}

.yt-control-icon {
  display: block;
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.85;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.yt-restore-icon {
  display: none;
}

.yt-player.yt-minimized .yt-minimize-icon {
  display: none;
}

.yt-player.yt-minimized .yt-restore-icon {
  display: block;
}

.yt-control-spinner {
  display: none;
  box-sizing: border-box;
  width: 13px;
  height: 13px;
  border: 1.8px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: localFaSpin 0.75s linear infinite;
}

.yt-save-frame.is-capturing .yt-capture-icon {
  display: none;
}

.yt-save-frame.is-capturing .yt-control-spinner {
  display: block;
}

.yt-ctrl-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: scale(1.1);
}

.yt-ctrl-btn:disabled {
  opacity: 0.3;
  cursor: default;
  transform: none;
}

.yt-save-frame:not(:disabled) {
  color: #ff666b;
  background: rgba(255, 48, 56, 0.1);
}

.yt-save-frame:not(:disabled):hover {
  color: #fff;
  background: #ed1f2a;
  box-shadow: 0 0 14px rgba(237, 31, 42, 0.34);
}

.yt-ctrl-btn:last-child:hover {
  background: rgba(255, 60, 60, 0.18);
  color: #ff6b6b;
}

/* ── Search bar ──────────────────────────────────── */
.yt-search-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px 7px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  flex-shrink: 0;
  transition: max-height 0.3s ease, opacity 0.2s ease;
}

.yt-search-bar input {
  flex: 1;
  min-width: 0;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 7px 12px;
  color: inherit;
  font-family: inherit;
  font-size: 0.76rem;
  outline: none;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.yt-search-bar input:focus {
  border-color: rgba(255, 50, 50, 0.45);
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 0 0 3px rgba(255, 50, 50, 0.08);
}

.yt-search-bar input::placeholder {
  color: rgba(255, 255, 255, 0.28);
  font-size: 0.72rem;
}

.yt-search-submit {
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 30, 30, 0.14);
  color: #ff4444;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.68rem;
  flex-shrink: 0;
  transition: background 0.18s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.yt-search-submit:hover {
  background: rgba(255, 30, 30, 0.24);
  transform: scale(1.08);
  box-shadow: 0 0 12px rgba(255, 30, 30, 0.2);
}

.yt-search-submit:active {
  transform: scale(0.95);
}

.yt-search-play-icon {
  display: block;
  width: 14px;
  height: 14px;
  fill: currentColor;
  pointer-events: none;
}

/* ── Video container ─────────────────────────────── */
.yt-video-container {
  flex: 1;
  position: relative;
  min-height: 0;
  background: #0a0a0a;
  transition: opacity 0.2s ease;
}

.yt-embed-slot,
.yt-video-container iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.yt-embed-slot {
  display: none;
}

.yt-video-container iframe {
  border: none;
  border-radius: 0 0 15px 15px;
}

.yt-frame-toast-host {
  position: fixed;
  left: 50%;
  bottom: 78px;
  z-index: 10020;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
  transform: translateX(-50%);
}

.yt-frame-toast {
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: min(420px, calc(100vw - 32px));
  padding: 10px 14px;
  color: #f7f7fa;
  background: rgba(13, 15, 22, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(18px);
  font-size: 0.76rem;
  font-weight: 650;
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  animation: ytFrameToastIn 0.24s ease forwards;
}

.yt-frame-toast i {
  color: #ff4a50;
}

.yt-frame-toast.is-error i {
  color: #ffb04a;
}

.yt-frame-toast.is-leaving {
  animation: ytFrameToastOut 0.2s ease forwards;
}

[data-theme="light"] .yt-frame-toast {
  color: #191b23;
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow: 0 14px 34px rgba(20, 24, 35, 0.16);
}

/* ── Placeholder ─────────────────────────────────── */
.yt-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.32);
  padding: 20px;
  text-align: center;
}

.yt-placeholder-icon {
  opacity: 0.55;
  animation: ytPlaceholderFloat 4s ease-in-out infinite;
}

.yt-placeholder p {
  font-size: 0.82rem;
  margin: 0;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.yt-placeholder-hint {
  font-size: 0.64rem;
  opacity: 0.5;
}

/* ── Resize handle ───────────────────────────────── */
.yt-resize-edge {
  position: absolute;
  z-index: 5;
  touch-action: none;
  -webkit-tap-highlight-color: transparent;
}

.yt-resize-n,
.yt-resize-s {
  left: 14px;
  right: 14px;
  height: 12px;
  cursor: ns-resize;
}

.yt-resize-n {
  top: -5px;
}

.yt-resize-s {
  bottom: -5px;
}

.yt-resize-e,
.yt-resize-w {
  top: 14px;
  bottom: 14px;
  width: 12px;
  cursor: ew-resize;
}

.yt-resize-e {
  right: -5px;
}

.yt-resize-w {
  left: -5px;
}

.yt-resize-ne,
.yt-resize-nw,
.yt-resize-se,
.yt-resize-sw {
  width: 22px;
  height: 22px;
}

.yt-resize-ne {
  top: -4px;
  right: -4px;
  cursor: nesw-resize;
}

.yt-resize-nw {
  top: -4px;
  left: -4px;
  cursor: nwse-resize;
}

.yt-resize-sw {
  bottom: -4px;
  left: -4px;
  cursor: nesw-resize;
}

.yt-resize-se {
  right: -2px;
  bottom: -2px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.72);
  cursor: nwse-resize;
  opacity: 0.42;
  transition: opacity 0.2s ease;
}

.yt-player:hover .yt-resize-se,
.yt-player.yt-resizing .yt-resize-se {
  opacity: 0.8;
}

[data-theme="light"] .yt-resize-se {
  color: rgba(15, 18, 25, 0.66);
}

/* ── Shake (invalid URL) ─────────────────────────── */
.yt-shake {
  animation: ytShake 0.4s ease !important;
}

/* ── Light theme ─────────────────────────────────── */
[data-theme="light"] .yt-player {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(0, 0, 0, 0.08);
  box-shadow:
    0 24px 64px rgba(0, 0, 0, 0.14),
    0 8px 24px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .yt-player-header {
  border-bottom-color: rgba(0, 0, 0, 0.06);
  background: rgba(0, 0, 0, 0.015);
}

[data-theme="light"] .yt-search-bar {
  border-bottom-color: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .yt-search-bar input {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
  color: #1a1a2e;
}

[data-theme="light"] .yt-search-bar input:focus {
  border-color: rgba(255, 50, 50, 0.4);
  background: rgba(0, 0, 0, 0.02);
  box-shadow: 0 0 0 3px rgba(255, 50, 50, 0.06);
}

[data-theme="light"] .yt-search-bar input::placeholder {
  color: rgba(0, 0, 0, 0.28);
}

[data-theme="light"] .yt-ctrl-btn {
  background: rgba(0, 0, 0, 0.03);
}

[data-theme="light"] .yt-ctrl-btn:hover {
  background: rgba(0, 0, 0, 0.07);
}

[data-theme="light"] .yt-ctrl-btn:last-child:hover {
  background: rgba(255, 60, 60, 0.12);
}

[data-theme="light"] .yt-placeholder {
  color: rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .yt-drag-dots {
  opacity: 0.35;
}

[data-theme="light"] .yt-player.yt-dragging {
  box-shadow:
    0 36px 80px rgba(0, 0, 0, 0.2),
    0 0 0 2px rgba(255, 60, 60, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .yt-video-container {
  background: #f0f0f0;
}

/* ── Search results layout ───────────────────────── */
.yt-search-results[hidden] {
  display: none !important;
}

.yt-search-results {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: 10px;
  background: rgba(12, 14, 20, 0.96);
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 8px;
  user-select: none;
}

.yt-search-results::-webkit-scrollbar {
  width: 6px;
}

.yt-search-results::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
}

.yt-search-results::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 3px;
}

.yt-search-results::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 60, 60, 0.3);
}

.yt-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.6);
  flex-shrink: 0;
}

.yt-results-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background 0.18s ease, color 0.18s ease;
}

.yt-results-close:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ff4444;
}

.yt-result-item {
  display: flex;
  gap: 10px;
  padding: 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.015);
  border: 1px solid rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  flex-shrink: 0;
}

.yt-result-item:hover {
  background: rgba(255, 40, 40, 0.08);
  border-color: rgba(255, 40, 40, 0.2);
  transform: translateY(-1px);
}

.yt-result-item:active {
  transform: translateY(0) scale(0.98);
}

.yt-result-thumb {
  position: relative;
  width: 96px;
  height: 54px;
  border-radius: 6px;
  overflow: hidden;
  background: #000;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.yt-result-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.yt-result-duration {
  position: absolute;
  bottom: 3px;
  right: 3px;
  background: rgba(0, 0, 0, 0.82);
  color: #fff;
  font-size: 0.58rem;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 600;
}

.yt-result-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
  flex: 1;
}

.yt-result-title {
  font-size: 0.74rem;
  font-weight: 600;
  color: #f1f1f1;
  margin: 0 0 3px 0;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.yt-result-channel {
  font-size: 0.62rem;
  color: rgba(255, 255, 255, 0.45);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── States (loading/error/empty) ───────────────── */
.yt-search-loading,
.yt-search-error,
.yt-search-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 30px 10px;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.78rem;
  gap: 12px;
  flex: 1;
}

.yt-search-loading i {
  color: #ff3c3c;
  font-size: 1.4rem;
}

.yt-search-error i,
.yt-search-empty i {
  font-size: 1.3rem;
  opacity: 0.5;
}

.yt-search-error button {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #fff;
  font-family: inherit;
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 6px;
  cursor: pointer;
  margin-top: 6px;
  transition: background 0.2s ease;
}

.yt-search-error button:hover {
  background: rgba(255, 255, 255, 0.15);
}

/* ── Light theme search results overrides ─────────── */
[data-theme="light"] .yt-search-results {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .yt-search-results::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.01);
}

[data-theme="light"] .yt-search-results::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
}

[data-theme="light"] .yt-results-header {
  border-bottom-color: rgba(0, 0, 0, 0.06);
  color: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .yt-results-close {
  color: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .yt-results-close:hover {
  background: rgba(0, 0, 0, 0.05);
  color: #ff3c3c;
}

[data-theme="light"] .yt-result-item {
  background: rgba(0, 0, 0, 0.015);
  border-color: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .yt-result-item:hover {
  background: rgba(255, 40, 40, 0.06);
  border-color: rgba(255, 40, 40, 0.15);
}

[data-theme="light"] .yt-result-thumb {
  border-color: rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .yt-result-title {
  color: #1a1a2e;
}

[data-theme="light"] .yt-result-channel {
  color: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .yt-search-loading,
[data-theme="light"] .yt-search-error,
[data-theme="light"] .yt-search-empty {
  color: rgba(0, 0, 0, 0.45);
}

[data-theme="light"] .yt-search-error button {
  background: rgba(0, 0, 0, 0.05);
  color: #1a1a2e;
}

[data-theme="light"] .yt-search-error button:hover {
  background: rgba(0, 0, 0, 0.08);
}

/* ── Keyframes ───────────────────────────────────── */
@keyframes ytSlideIn {
  0% {
    opacity: 0;
    transform: scale(0.75) translateY(24px);
    filter: blur(4px);
  }

  60% {
    opacity: 1;
    transform: scale(1.03) translateY(-4px);
    filter: blur(0);
  }

  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }
}

@keyframes ytSlideOut {
  0% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }

  100% {
    opacity: 0;
    transform: scale(0.82) translateY(18px);
    filter: blur(3px);
  }
}

@keyframes ytPlaceholderFloat {

  0%,
  100% {
    opacity: 0.45;
    transform: translateY(0);
  }

  50% {
    opacity: 0.6;
    transform: translateY(-6px);
  }
}

@keyframes ytBtnPulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(255, 30, 30, 0);
  }

  50% {
    box-shadow: 0 0 0 5px rgba(255, 30, 30, 0.14);
  }
}

@keyframes ytShake {

  0%,
  100% {
    transform: translateX(0);
  }

  15% {
    transform: translateX(-7px);
  }

  30% {
    transform: translateX(6px);
  }

  45% {
    transform: translateX(-5px);
  }

  60% {
    transform: translateX(3px);
  }

  75% {
    transform: translateX(-2px);
  }
}

@keyframes ytFrameToastIn {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes ytFrameToastOut {
  to {
    opacity: 0;
    transform: translateY(8px) scale(0.97);
  }
}

@media (prefers-reduced-motion: reduce) {

  .yt-player,
  .yt-placeholder-icon,
  .tool.yt-playing,
  .yt-shake {
    animation: none !important;
  }
}

/* ── Responsive ──────────────────────────────────── */
@media (max-width: 520px) {
  .yt-player {
    min-width: 240px;
  }
}


/* ══════════════════════════════════════════════════
   Focus Studio (pomodoro v2)
   ══════════════════════════════════════════════════ */

.pomo-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(4, 6, 12, 0.45);
  backdrop-filter: blur(7px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.pomo-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

[data-theme="light"] .pomo-overlay {
  background: rgba(232, 237, 245, 0.5);
}

.pomo-panel {
  --pomo-accent: #5a5aff;
  --pomo-accent-soft: rgba(90, 90, 255, 0.2);
  width: min(400px, 100%);
  max-height: min(92vh, 92svh);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  padding: 18px 20px 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(20, 22, 32, 0.97), rgba(10, 12, 19, 0.97));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
  transform: translateY(16px) scale(0.97);
  transition: transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
}

.pomo-overlay.active .pomo-panel {
  transform: translateY(0) scale(1);
}

[data-theme="light"] .pomo-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 246, 251, 0.97));
  border-color: rgba(15, 23, 42, 0.1);
  box-shadow: 0 28px 70px rgba(91, 109, 153, 0.24);
}

.pomo-overlay[data-mode="short"] .pomo-panel {
  --pomo-accent: #34d399;
  --pomo-accent-soft: rgba(52, 211, 153, 0.2);
}

.pomo-overlay[data-mode="long"] .pomo-panel {
  --pomo-accent: #fbbf24;
  --pomo-accent-soft: rgba(251, 191, 36, 0.2);
}

.pomo-panel button,
.pomo-pill button,
.pomo-tab,
.pomo-preset,
.pomo-sound-chip {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* head */
.pomo-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.pomo-title {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}

.pomo-title i {
  color: var(--pomo-accent);
}

.pomo-head-actions {
  display: inline-flex;
  gap: 6px;
}

.pomo-icon-btn {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.07);
  color: inherit;
  cursor: pointer;
  font-size: 0.92rem;
  transition: background 0.18s ease, transform 0.18s ease;
}

.pomo-icon-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.pomo-icon-btn.is-muted {
  opacity: 0.55;
}

[data-theme="light"] .pomo-icon-btn {
  background: rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .pomo-icon-btn:hover {
  background: rgba(15, 23, 42, 0.12);
}

/* settings drawer */
.pomo-settings {
  display: grid;
  gap: 9px;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin-bottom: 0;
  transition: max-height 0.28s ease, opacity 0.22s ease, margin 0.22s ease;
}

.pomo-settings.open {
  max-height: 260px;
  opacity: 1;
  margin-bottom: 14px;
}

.pomo-settings-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.pomo-settings-grid label {
  display: grid;
  gap: 4px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.75;
}

.pomo-settings-grid input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 8px 6px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.25);
  color: inherit;
  font: inherit;
  font-size: 0.9rem;
  text-align: center;
}

[data-theme="light"] .pomo-settings-grid input {
  border-color: rgba(15, 23, 42, 0.16);
  background: rgba(255, 255, 255, 0.85);
}

.pomo-switch {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 0.85rem;
  font-weight: 650;
  cursor: pointer;
  user-select: none;
}

.pomo-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pomo-switch span {
  flex: 0 0 auto;
  width: 34px;
  height: 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  position: relative;
  transition: background 0.2s ease;
}

[data-theme="light"] .pomo-switch span {
  background: rgba(15, 23, 42, 0.16);
}

.pomo-switch span::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s ease;
}

.pomo-switch input:checked+span {
  background: var(--pomo-accent);
}

.pomo-switch input:checked+span::after {
  transform: translateX(14px);
}

/* mode tabs */
.pomo-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 4px;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.09);
  margin-bottom: 8px;
}

[data-theme="light"] .pomo-tabs {
  background: rgba(15, 23, 42, 0.05);
  border-color: rgba(15, 23, 42, 0.08);
}

.pomo-tab {
  min-height: 36px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-weight: 750;
  font-size: 0.84rem;
  opacity: 0.72;
  transition: background 0.18s ease, opacity 0.18s ease, color 0.18s ease;
}

.pomo-tab:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.07);
}

.pomo-tab.active {
  opacity: 1;
  color: #fff;
  background: var(--pomo-accent);
  box-shadow: 0 8px 20px var(--pomo-accent-soft);
}

/* ring + time */
.pomo-stage {
  position: relative;
  width: min(240px, 62vw);
  margin: 4px auto 2px;
  aspect-ratio: 1;
}

.pomo-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.pomo-ring circle {
  fill: none;
  stroke-width: 9;
}

.pomo-ring-track {
  stroke: rgba(255, 255, 255, 0.09);
}

[data-theme="light"] .pomo-ring-track {
  stroke: rgba(15, 23, 42, 0.09);
}

.pomo-ring-fill {
  stroke: var(--pomo-accent);
  stroke-linecap: round;
  filter: drop-shadow(0 0 8px var(--pomo-accent-soft));
  transition: stroke-dashoffset 0.25s linear, stroke 0.3s ease;
}

.pomo-stage-inner {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 3px;
  text-align: center;
}

.pomo-time {
  font-family: 'Segoe UI', ui-monospace, monospace;
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.6rem, 11vw, 3.3rem);
  font-weight: 850;
  line-height: 1;
  letter-spacing: 0.01em;
}

.pomo-stage-mode {
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--pomo-accent);
}

.pomo-dots {
  display: flex;
  gap: 6px;
  margin-top: 5px;
}

.pomo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

[data-theme="light"] .pomo-dot {
  background: rgba(15, 23, 42, 0.14);
}

.pomo-dot.done {
  background: var(--pomo-accent);
}

.pomo-dot.current {
  background: var(--pomo-accent);
  opacity: 0.55;
  box-shadow: 0 0 0 3px var(--pomo-accent-soft);
  transform: scale(1.08);
}

/* controls */
.pomo-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 12px 0 14px;
}

.pomo-ctrl {
  border: none;
  border-radius: 14px;
  color: inherit;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.07);
  transition: background 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.pomo-ctrl:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translateY(-1px);
}

[data-theme="light"] .pomo-ctrl {
  background: rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .pomo-ctrl:hover {
  background: rgba(15, 23, 42, 0.12);
}

.pomo-reset,
.pomo-skip {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.pomo-main {
  min-width: 150px;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  background: var(--pomo-accent);
  box-shadow: 0 14px 30px var(--pomo-accent-soft);
}

.pomo-main:hover {
  background: var(--pomo-accent);
  filter: brightness(1.08);
  box-shadow: 0 18px 36px var(--pomo-accent-soft);
}

/* keep the accent fill in light theme (beats the light .pomo-ctrl override) */
[data-theme="light"] .pomo-ctrl.pomo-main,
[data-theme="light"] .pomo-ctrl.pomo-main:hover {
  background: var(--pomo-accent);
  color: #fff;
}

/* presets */
.pomo-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 14px;
}

.pomo-preset {
  min-height: 40px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.045);
  color: inherit;
  cursor: pointer;
  font-weight: 750;
  font-size: 0.8rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.pomo-preset em {
  font-style: normal;
  font-size: 0.68rem;
  opacity: 0.6;
  font-variant-numeric: tabular-nums;
}

.pomo-preset:hover {
  background: rgba(255, 255, 255, 0.1);
}

.pomo-preset.active {
  border-color: var(--pomo-accent);
  background: var(--pomo-accent-soft);
}

[data-theme="light"] .pomo-preset {
  border-color: rgba(15, 23, 42, 0.12);
  background: rgba(255, 255, 255, 0.6);
}

[data-theme="light"] .pomo-preset.active {
  background: var(--pomo-accent-soft);
}

/* current focus input */
.pomo-task-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(0, 0, 0, 0.22);
  margin-bottom: 14px;
}

[data-theme="light"] .pomo-task-row {
  border-color: rgba(15, 23, 42, 0.13);
  background: rgba(255, 255, 255, 0.8);
}

.pomo-task-row i {
  color: var(--pomo-accent);
  font-size: 0.9rem;
  flex: 0 0 auto;
}

.pomo-task-input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.92rem;
  padding: 11px 0;
  outline: none;
}

.pomo-task-input::placeholder {
  color: inherit;
  opacity: 0.45;
}

/* sections (tasks / sounds) */
.pomo-section {
  margin-bottom: 14px;
}

.pomo-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 7px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.68;
}

.pomo-task-count {
  font-variant-numeric: tabular-nums;
}

.pomo-task-list {
  display: grid;
  gap: 5px;
  margin-bottom: 7px;
}

.pomo-task {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 8px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.045);
  transition: background 0.18s ease, opacity 0.18s ease;
}

[data-theme="light"] .pomo-task {
  background: rgba(15, 23, 42, 0.045);
}

.pomo-task-check {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  border: 1.6px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: transparent;
  cursor: pointer;
  font-size: 0.62rem;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

[data-theme="light"] .pomo-task-check {
  border-color: rgba(15, 23, 42, 0.3);
}

.pomo-task.done .pomo-task-check {
  background: var(--pomo-accent);
  border-color: var(--pomo-accent);
  color: #fff;
}

.pomo-task-text {
  flex: 1;
  min-width: 0;
  font-size: 0.9rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pomo-task.done .pomo-task-text {
  text-decoration: line-through;
  opacity: 0.5;
}

.pomo-task-remove {
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: inherit;
  opacity: 0.4;
  cursor: pointer;
  font-size: 0.72rem;
  transition: opacity 0.18s ease, background 0.18s ease;
}

.pomo-task-remove:hover {
  opacity: 1;
  background: rgba(251, 113, 133, 0.18);
}

.pomo-task-form {
  display: flex;
  gap: 7px;
}

.pomo-task-add-input {
  flex: 1;
  min-width: 0;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: border-color 0.18s ease;
}

.pomo-task-add-input:focus {
  border-color: var(--pomo-accent);
  border-style: solid;
}

[data-theme="light"] .pomo-task-add-input {
  border-color: rgba(15, 23, 42, 0.2);
}

.pomo-task-form button {
  flex: 0 0 auto;
  width: 38px;
  border: none;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.18s ease;
}

.pomo-task-form button:hover {
  background: var(--pomo-accent);
  color: #fff;
}

[data-theme="light"] .pomo-task-form button {
  background: rgba(15, 23, 42, 0.07);
}

/* focus sounds */
.pomo-sound-row {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}

.pomo-sound-chip {
  min-height: 34px;
  padding: 0 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.045);
  color: inherit;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.78rem;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.pomo-sound-chip:hover {
  background: rgba(255, 255, 255, 0.1);
}

.pomo-sound-chip.active {
  border-color: var(--pomo-accent);
  background: var(--pomo-accent-soft);
}

[data-theme="light"] .pomo-sound-chip {
  border-color: rgba(15, 23, 42, 0.14);
  background: rgba(255, 255, 255, 0.6);
}

.pomo-volume {
  flex: 1;
  min-width: 70px;
  accent-color: var(--pomo-accent);
  height: 4px;
  cursor: pointer;
}

/* stats */
.pomo-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding-top: 13px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}

[data-theme="light"] .pomo-stats {
  border-top-color: rgba(15, 23, 42, 0.1);
}

.pomo-stat {
  display: grid;
  justify-items: center;
  gap: 2px;
  text-align: center;
}

.pomo-stat-value {
  font-size: 1.06rem;
  font-weight: 850;
  font-variant-numeric: tabular-nums;
}

.pomo-stat-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.6;
}

/* floating pill */
.pomo-pill {
  position: fixed;
  top: 16px;
  right: max(20px, var(--workspace-edge-gap));
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px 10px 12px;
  border-radius: 999px;
  overflow: hidden;
  cursor: pointer;
  max-width: calc(100vw - 40px);
  --pomo-accent: #5a5aff;
  --pomo-accent-soft: rgba(90, 90, 255, 0.2);
  background: rgba(14, 16, 26, 0.82);
  border: 1px solid var(--pomo-accent);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pomo-pill:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.36);
}

[data-theme="light"] .pomo-pill {
  background: rgba(255, 255, 255, 0.88);
}

.pomo-pill[data-mode="short"] {
  --pomo-accent: #34d399;
  --pomo-accent-soft: rgba(52, 211, 153, 0.2);
}

.pomo-pill[data-mode="long"] {
  --pomo-accent: #fbbf24;
  --pomo-accent-soft: rgba(251, 191, 36, 0.2);
}

.pomo-pill-icon {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--pomo-accent-soft);
  color: var(--pomo-accent);
  font-size: 0.86rem;
}

.pomo-pill-body {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.15;
}

.pomo-pill-time {
  font-weight: 850;
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
}

.pomo-pill-task {
  max-width: 130px;
  font-size: 0.68rem;
  font-weight: 650;
  opacity: 0.62;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pomo-pill button {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  color: inherit;
  cursor: pointer;
  font-size: 0.78rem;
  transition: background 0.18s ease;
}

.pomo-pill button:hover {
  background: rgba(255, 255, 255, 0.18);
}

[data-theme="light"] .pomo-pill button {
  background: rgba(15, 23, 42, 0.07);
}

[data-theme="light"] .pomo-pill button:hover {
  background: rgba(15, 23, 42, 0.14);
}

.pomo-pill-bar {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 3px;
  height: 3px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  pointer-events: none;
}

[data-theme="light"] .pomo-pill-bar {
  background: rgba(15, 23, 42, 0.1);
}

.pomo-pill-bar span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: var(--pomo-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s linear;
}

@keyframes pomoPillPop {
  0% {
    transform: scale(1);
  }

  40% {
    transform: scale(1.09);
  }

  100% {
    transform: scale(1);
  }
}

.pomo-pill-pop {
  animation: pomoPillPop 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* toolbar button states */
@keyframes pomoTriggerBreath {

  0%,
  100% {
    box-shadow: 0 0 0 3px rgba(90, 90, 255, 0.45);
  }

  50% {
    box-shadow: 0 0 0 5px rgba(90, 90, 255, 0.18);
  }
}

#pomodoroBtn.timer-running {
  animation: pomoTriggerBreath 2.4s ease-in-out infinite;
}

#pomodoroBtn.timer-paused {
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.18);
}

[data-theme="light"] #pomodoroBtn.timer-paused {
  box-shadow: 0 0 0 2px rgba(15, 23, 42, 0.2);
}

/* toasts */
.pomo-toast-host {
  position: fixed;
  left: 50%;
  bottom: max(56px, calc(env(safe-area-inset-bottom) + 48px));
  transform: translateX(-50%);
  z-index: 20001;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.pomo-toast {
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(16, 18, 28, 0.94);
  color: #f8fafc;
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.35);
  font-size: 0.88rem;
  font-weight: 700;
  max-width: min(420px, calc(100vw - 32px));
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.28s ease, transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.pomo-toast.show {
  opacity: 1;
  transform: translateY(0);
}

[data-theme="light"] .pomo-toast {
  background: rgba(255, 255, 255, 0.97);
  color: #0f172a;
  border-color: rgba(15, 23, 42, 0.12);
  box-shadow: 0 14px 30px rgba(91, 109, 153, 0.25);
}

/* confetti canvas */
.pomo-confetti {
  position: fixed;
  inset: 0;
  z-index: 30000;
  pointer-events: none;
}

/* responsive */
@media (max-width: 768px) {
  .pomo-pill {
    top: auto;
    bottom: 92px;
    right: 10px;
  }

  body.toolbar-location-down .pomo-pill {
    top: 14px;
    bottom: auto;
  }

  .pomo-toast-host {
    bottom: max(96px, calc(env(safe-area-inset-bottom) + 88px));
  }
}

@media (max-width: 640px) {
  .pomo-overlay {
    padding: 10px;
    align-items: flex-end;
  }

  .pomo-panel {
    width: 100%;
    max-height: min(88vh, 88svh);
    padding: 16px 16px 18px;
    border-radius: 22px 22px 16px 16px;
  }

  .pomo-stage {
    width: min(210px, 58vw);
  }

  .pomo-main {
    min-width: 132px;
    min-height: 48px;
  }

  .pomo-pill-task {
    max-width: 90px;
  }
}

@media (max-width: 896px) and (orientation: landscape) {
  .pomo-overlay {
    align-items: center;
  }

  .pomo-panel {
    max-height: 94vh;
    padding: 14px 16px;
  }

  .pomo-stage {
    width: min(150px, 30vh);
  }

  .pomo-pill {
    bottom: 66px;
  }
}

@media (prefers-reduced-motion: reduce) {

  .pomo-panel,
  .pomo-overlay,
  .pomo-ring-fill,
  .pomo-pill,
  .pomo-pill-bar span,
  .pomo-toast {
    transition: none !important;
  }

  #pomodoroBtn.timer-running {
    animation: none;
    box-shadow: 0 0 0 3px rgba(90, 90, 255, 0.45);
  }

  .pomo-pill-pop {
    animation: none;
  }
}

/* ============================== Notebook library ============================== */

.library-modal {
  position: fixed;
  inset: 0;
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(5, 8, 14, 0.58);
  backdrop-filter: blur(16px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}

.library-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.library-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(100%, 860px);
  max-height: min(86vh, 780px);
  padding: 26px 24px 22px;
  border-radius: 26px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(19, 21, 30, 0.98), rgba(8, 10, 16, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
  transform: translateY(24px) scale(0.96);
  transition: transform 0.26s cubic-bezier(0.22, 1, 0.36, 1);
}

.library-modal.active .library-panel {
  transform: translateY(0) scale(1);
}

.library-panel::before {
  content: "";
  position: absolute;
  inset: -30% -10% auto;
  height: 220px;
  background:
    radial-gradient(circle at 22% 30%, rgba(108, 137, 255, 0.2), transparent 55%),
    radial-gradient(circle at 78% 20%, rgba(90, 90, 255, 0.14), transparent 48%);
  pointer-events: none;
}

.library-panel>* {
  position: relative;
  z-index: 1;
}

.library-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: inherit;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.library-close:hover {
  background: rgba(255, 255, 255, 0.16);
  transform: scale(1.04);
}

.library-kicker {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  opacity: 0.55;
}

.library-panel h3 {
  margin: 0 0 6px;
  font-size: 22px;
  letter-spacing: 0.01em;
}

.library-copy {
  margin: 0 0 16px;
  max-width: 560px;
  font-size: 13px;
  line-height: 1.55;
  opacity: 0.62;
}

.library-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.library-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
  color: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.library-action-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.library-action-btn i {
  display: inline-flex;
  width: 15px;
  height: 15px;
}

.library-action-primary {
  border-color: transparent;
  background: linear-gradient(135deg, #5a5aff, #7b6cff);
  color: #fff;
  box-shadow: 0 10px 26px rgba(90, 90, 255, 0.32);
}

.library-action-primary:hover {
  background: linear-gradient(135deg, #6a6aff, #8b7cff);
}

.library-status {
  min-height: 20px;
  margin-bottom: 12px;
  font-size: 12.5px;
  font-weight: 500;
  opacity: 0.85;
}

.library-status[data-tone="muted"] {
  opacity: 0.5;
}

.library-status[data-tone="loading"] {
  color: #9db4ff;
}

.library-status[data-tone="success"] {
  color: #34d399;
}

.library-status[data-tone="error"] {
  color: #f87171;
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(172px, 1fr));
  gap: 14px;
  overflow-y: auto;
  padding: 2px 4px 8px 2px;
  scrollbar-width: thin;
}

body.library-busy .library-grid,
body.library-busy .library-actions {
  pointer-events: none;
  opacity: 0.6;
}

.library-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.library-card:hover,
.library-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(123, 108, 255, 0.55);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.32);
  outline: none;
}

.library-card.is-active {
  border-color: rgba(90, 90, 255, 0.75);
  box-shadow: 0 0 0 1px rgba(90, 90, 255, 0.35), 0 14px 30px rgba(40, 40, 120, 0.3);
}

.library-card-preview {
  position: relative;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.28);
}

.library-card-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.library-card-placeholder {
  display: inline-flex;
  width: 26px;
  height: 26px;
  opacity: 0.28;
}

.library-card-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  padding: 3px 9px;
  border-radius: 999px;
  background: linear-gradient(135deg, #5a5aff, #7b6cff);
  color: #fff;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.library-card-body {
  padding: 10px 12px 2px;
}

.library-card-name {
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.library-card-meta {
  margin-top: 2px;
  font-size: 11.5px;
  opacity: 0.52;
}

.library-card-actions {
  display: flex;
  gap: 6px;
  padding: 8px 12px 12px;
}

.library-card-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.07);
  color: inherit;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.library-card-action i {
  display: inline-flex;
  width: 14px;
  height: 14px;
}

.library-card-action:hover {
  background: rgba(255, 255, 255, 0.16);
}

.library-card-action:last-child:hover {
  background: rgba(248, 113, 113, 0.2);
  color: #f87171;
}

[data-theme="light"] .library-modal {
  background: rgba(235, 238, 245, 0.6);
}

[data-theme="light"] .library-panel {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 244, 237, 0.96));
  border-color: rgba(125, 98, 45, 0.12);
  box-shadow: 0 28px 70px rgba(93, 73, 40, 0.18);
}

[data-theme="light"] .library-close,
[data-theme="light"] .library-action-btn {
  background: rgba(94, 74, 42, 0.08);
  border-color: rgba(94, 74, 42, 0.1);
}

[data-theme="light"] .library-close:hover,
[data-theme="light"] .library-action-btn:hover {
  background: rgba(94, 74, 42, 0.14);
}

[data-theme="light"] .library-action-primary {
  background: linear-gradient(135deg, #5a5aff, #7b6cff);
  color: #fff;
}

[data-theme="light"] .library-card {
  background: rgba(255, 255, 255, 0.75);
  border-color: rgba(94, 74, 42, 0.12);
}

[data-theme="light"] .library-card-preview {
  background: rgba(94, 74, 42, 0.06);
}

[data-theme="light"] .library-card-action {
  background: rgba(94, 74, 42, 0.08);
}

[data-theme="light"] .library-card-action:hover {
  background: rgba(94, 74, 42, 0.14);
}

[data-theme="light"] .library-status[data-tone="success"] {
  color: #059669;
}

[data-theme="light"] .library-status[data-tone="error"] {
  color: #dc2626;
}

[data-theme="light"] .library-status[data-tone="loading"] {
  color: #4c5bd4;
}

@media (max-width: 560px) {
  .library-modal {
    padding: 12px;
  }

  .library-panel {
    padding: 20px 16px 16px;
    max-height: 92vh;
    border-radius: 20px;
  }

  .library-grid {
    grid-template-columns: repeat(auto-fill, minmax(138px, 1fr));
    gap: 10px;
  }

  .library-action-btn {
    padding: 8px 12px;
    font-size: 12.5px;
  }
}

@media (prefers-reduced-motion: reduce) {

  .library-modal,
  .library-panel,
  .library-card,
  .library-action-btn {
    transition: none !important;
  }
}

/* Text Tool styles */
.text-input-overlay {
  position: fixed;
  z-index: 2000;
  pointer-events: none;
}

.text-input-overlay textarea {
  pointer-events: auto;
  background: transparent;
  border: 1px dashed rgba(126, 119, 255, 0.6);
  outline: none;
  padding: 0;
  margin: 0;
  overflow: hidden;
  resize: none;
  line-height: 1.2;
  white-space: pre;
}

[data-theme="light"] .text-input-overlay textarea {
  border-color: rgba(90, 90, 255, 0.5);
}

.font-category {
  font-weight: 700;
  font-size: 0.85em;
  color: #a0aec0;
  background-color: #1a202c;
}

[data-theme="light"] .font-category {
  color: #718096;
  background-color: #f7fafc;
}

.shape-btn svg {
  width: 23px;
  height: 19px;
  overflow: visible;
}

.shape-btn svg path,
.shape-btn svg rect {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linejoin: round;
}

/* Smart geometry inspector */
.geometry-inspector[hidden],
.geometry-construct-menu[hidden] {
  display: none !important;
}

.geometry-inspector {
  position: fixed;
  z-index: 9;
  top: 98px;
  right: 24px;
  width: min(308px, calc(100vw - 32px));
  max-height: calc(100vh - 170px);
  box-sizing: border-box;
  overflow: auto;
  padding: 15px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  color: #f8fafc;
  background:
    radial-gradient(circle at 100% 0%, rgba(104, 95, 255, 0.2), transparent 38%),
    rgba(12, 16, 25, 0.94);
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.42), inset 0 1px rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(22px) saturate(1.2);
  scrollbar-width: thin;
  animation: geometryInspectorIn 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.geometry-inspector [hidden] {
  display: none !important;
}

body.toolbar-location-down .geometry-inspector {
  top: 24px;
  bottom: 100px;
  max-height: none;
}

[data-theme="light"] .geometry-inspector {
  color: #172033;
  border-color: rgba(58, 72, 102, 0.15);
  background:
    radial-gradient(circle at 100% 0%, rgba(98, 88, 255, 0.14), transparent 38%),
    rgba(250, 252, 255, 0.95);
  box-shadow: 0 20px 52px rgba(54, 69, 98, 0.2), inset 0 1px #ffffff;
}

@keyframes geometryInspectorIn {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.geometry-inspector-header,
.geometry-field-row,
.geometry-style-row,
.geometry-object-actions {
  display: flex;
  align-items: center;
}

.geometry-inspector-header {
  justify-content: space-between;
  margin-bottom: 13px;
}

.geometry-inspector-kicker,
.geometry-field-stack > span,
.geometry-field-row label > span:first-child,
.geometry-style-row label > span {
  display: block;
  margin-bottom: 5px;
  color: rgba(224, 229, 244, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

[data-theme="light"] .geometry-inspector-kicker,
[data-theme="light"] .geometry-field-stack > span,
[data-theme="light"] .geometry-field-row label > span:first-child,
[data-theme="light"] .geometry-style-row label > span {
  color: rgba(51, 65, 91, 0.62);
}

.geometry-inspector-header h2 {
  margin: 1px 0 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.geometry-icon-btn,
.geometry-lock-btn,
.geometry-object-actions button,
.geometry-construct-toggle,
.geometry-construct-menu button,
.geometry-construction-list button {
  border: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

.geometry-icon-btn {
  width: 31px;
  height: 31px;
  border-radius: 10px;
  font-size: 1.35rem;
  line-height: 1;
  background: rgba(255, 255, 255, 0.07);
}

[data-theme="light"] .geometry-icon-btn {
  background: rgba(24, 36, 64, 0.06);
}

.geometry-measure-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-bottom: 13px;
}

.geometry-measure-card {
  min-width: 0;
  padding: 9px 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.045);
}

[data-theme="light"] .geometry-measure-card {
  border-color: rgba(30, 46, 76, 0.08);
  background: rgba(57, 73, 108, 0.045);
}

.geometry-measure-card span {
  display: block;
  margin-bottom: 3px;
  color: rgba(224, 229, 244, 0.56);
  font-size: 0.61rem;
  font-weight: 700;
}

[data-theme="light"] .geometry-measure-card span {
  color: rgba(48, 63, 92, 0.58);
}

.geometry-measure-card strong {
  display: block;
  overflow: hidden;
  color: #c9c5ff;
  font-size: 0.81rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

[data-theme="light"] .geometry-measure-card strong {
  color: #4c43c7;
}

.geometry-radius-row {
  gap: 8px;
  align-items: flex-end;
  margin-bottom: 11px;
}

.geometry-radius-row label,
.geometry-field-stack {
  min-width: 0;
  flex: 1;
}

.geometry-number-wrap {
  display: flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.055);
}

[data-theme="light"] .geometry-number-wrap {
  border-color: rgba(37, 52, 81, 0.13);
  background: rgba(53, 70, 104, 0.045);
}

.geometry-number-wrap input,
.geometry-field-stack input,
.geometry-style-row input[type="number"] {
  min-width: 0;
  box-sizing: border-box;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  outline: none;
  color: inherit;
  background: rgba(255, 255, 255, 0.055);
  font: inherit;
  font-size: 0.84rem;
}

.geometry-number-wrap input {
  width: 100%;
  padding: 9px 5px 9px 10px;
  border: 0;
  background: transparent;
}

.geometry-number-wrap small {
  padding-right: 10px;
  color: rgba(224, 229, 244, 0.5);
  font-size: 0.68rem;
}

.geometry-field-stack {
  display: block;
  margin-bottom: 11px;
}

.geometry-field-stack input {
  width: 100%;
  padding: 9px 10px;
}

.geometry-triangle-controls[hidden] {
  display: none !important;
}

.geometry-triangle-controls {
  display: grid;
  gap: 8px;
  margin-bottom: 11px;
}

.geometry-dimension-controls {
  display: grid;
  gap: 8px;
  margin-bottom: 11px;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.035);
}

[data-theme="light"] .geometry-dimension-controls {
  border-color: rgba(37, 52, 81, 0.1);
  background: rgba(53, 70, 104, 0.035);
}

.geometry-dimension-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.geometry-dimension-fields:empty {
  display: none;
}

.geometry-dimension-field {
  min-width: 0;
}

.geometry-dimension-field > span:first-child {
  display: block;
  margin-bottom: 5px;
  color: rgba(224, 229, 244, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

[data-theme="light"] .geometry-dimension-field > span:first-child {
  color: rgba(51, 65, 91, 0.62);
}

.geometry-control-hint,
.geometry-snap-hint {
  margin: 0;
  color: rgba(224, 229, 244, 0.52);
  font-size: 0.61rem;
  font-weight: 650;
  line-height: 1.45;
}

.geometry-control-hint {
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.geometry-control-hint > span {
  color: #a9a3ff;
  font-size: 0.78rem;
  line-height: 1.1;
}

[data-theme="light"] .geometry-control-hint,
[data-theme="light"] .geometry-snap-hint {
  color: rgba(51, 65, 91, 0.62);
}

[data-theme="light"] .geometry-control-hint > span {
  color: #5c54d6;
}

.geometry-rotation-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 8px;
  margin-bottom: 11px;
}

.geometry-rotation-row label {
  min-width: 0;
}

.geometry-rotation-row label > span:first-child {
  display: block;
  margin-bottom: 5px;
  color: rgba(224, 229, 244, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

[data-theme="light"] .geometry-rotation-row label > span:first-child {
  color: rgba(51, 65, 91, 0.62);
}

.geometry-reset-btn {
  min-width: 58px;
  height: 37px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
  color: rgba(238, 241, 250, 0.75);
  background: rgba(255, 255, 255, 0.055);
  font: inherit;
  font-size: 0.69rem;
  font-weight: 800;
  cursor: pointer;
}

.geometry-reset-btn:hover {
  border-color: rgba(133, 126, 255, 0.42);
  color: #f1efff;
  background: rgba(106, 96, 255, 0.16);
}

[data-theme="light"] .geometry-reset-btn {
  border-color: rgba(37, 52, 81, 0.11);
  color: #3a4967;
  background: rgba(53, 70, 104, 0.045);
}

.geometry-section-heading {
  color: rgba(224, 229, 244, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

[data-theme="light"] .geometry-section-heading {
  color: rgba(51, 65, 91, 0.62);
}

.geometry-angle-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.geometry-angle-chips button,
.geometry-mark-btn {
  border: 1px solid rgba(255, 255, 255, 0.09);
  color: inherit;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.geometry-angle-chips button {
  min-height: 42px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 5px;
  padding: 6px 8px;
  border-radius: 10px;
}

.geometry-angle-chips button > span {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: #d8d5ff;
  background: rgba(112, 103, 255, 0.22);
  font-size: 0.68rem;
  font-weight: 900;
}

.geometry-angle-chips button > strong {
  font-size: 0.7rem;
}

.geometry-angle-chips button.active {
  border-color: rgba(137, 130, 255, 0.62);
  background: rgba(102, 92, 255, 0.18);
  box-shadow: inset 0 0 0 1px rgba(137, 130, 255, 0.12);
}

.geometry-angle-chips button.marked > span::after {
  content: "";
  width: 4px;
  height: 4px;
  margin-left: -3px;
  border-radius: 50%;
  background: #5eead4;
  box-shadow: 0 0 0 2px rgba(94, 234, 212, 0.16);
}

.geometry-angle-chips button.locked > span {
  color: #fff;
  background: #6259df;
}

[data-theme="light"] .geometry-angle-chips button,
[data-theme="light"] .geometry-mark-btn {
  border-color: rgba(37, 52, 81, 0.11);
  background: rgba(53, 70, 104, 0.045);
}

.geometry-angle-editor {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: end;
  gap: 7px;
}

.geometry-angle-editor label > span:first-child {
  display: block;
  margin-bottom: 5px;
  color: rgba(224, 229, 244, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

[data-theme="light"] .geometry-angle-editor label > span:first-child {
  color: rgba(51, 65, 91, 0.62);
}

.geometry-mark-btn {
  min-width: 50px;
  height: 37px;
  border-radius: 10px;
  font-size: 0.69rem;
  font-weight: 800;
}

.geometry-mark-btn.active {
  border-color: rgba(77, 222, 197, 0.52);
  color: #baf8ed;
  background: rgba(39, 194, 168, 0.17);
}

[data-theme="light"] .geometry-mark-btn.active {
  color: #137766;
}

.geometry-shape-summary {
  min-height: 0;
  margin: -3px 0 10px;
  color: rgba(224, 229, 244, 0.62);
  font-size: 0.65rem;
  font-weight: 700;
  line-height: 1.45;
}

.geometry-shape-summary:empty {
  display: none;
}

[data-theme="light"] .geometry-shape-summary {
  color: rgba(51, 65, 91, 0.68);
}

[data-theme="light"] .geometry-field-stack input,
[data-theme="light"] .geometry-style-row input[type="number"] {
  border-color: rgba(37, 52, 81, 0.13);
  background: rgba(53, 70, 104, 0.045);
}

.geometry-number-wrap:focus-within,
.geometry-field-stack input:focus,
.geometry-style-row input:focus {
  border-color: rgba(132, 125, 255, 0.8);
  box-shadow: 0 0 0 3px rgba(104, 95, 255, 0.13);
}

.geometry-lock-btn {
  min-width: 73px;
  height: 37px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border-radius: 10px;
  color: rgba(238, 241, 250, 0.75);
  background: rgba(255, 255, 255, 0.07);
  font-size: 0.73rem;
  font-weight: 800;
}

.geometry-lock-btn.active {
  color: #fff;
  background: linear-gradient(135deg, #756cff, #5650d9);
  box-shadow: 0 7px 16px rgba(83, 72, 224, 0.25);
}

.geometry-lock-btn:disabled,
.geometry-mark-btn:disabled {
  opacity: 0.76;
  cursor: default;
}

[data-theme="light"] .geometry-lock-btn:not(.active) {
  color: #3a4967;
  background: rgba(41, 57, 91, 0.07);
}

.geometry-lock-glyph {
  position: relative;
  width: 10px;
  height: 8px;
  border: 1.7px solid currentColor;
  border-radius: 2px;
}

.geometry-lock-glyph::before {
  content: "";
  position: absolute;
  left: 1px;
  top: -7px;
  width: 6px;
  height: 7px;
  border: 1.7px solid currentColor;
  border-bottom: 0;
  border-radius: 6px 6px 0 0;
  transform-origin: left bottom;
}

.geometry-lock-btn:not(.active) .geometry-lock-glyph::before {
  transform: translateX(2px) rotate(24deg);
}

.geometry-toggle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 11px;
}

.geometry-snap-hint {
  margin: -5px 2px 11px;
  text-align: center;
}

.geometry-toggle-grid label {
  position: relative;
  min-width: 0;
}

.geometry-toggle-grid input {
  position: absolute;
  opacity: 0;
}

.geometry-toggle-grid span {
  min-height: 33px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  padding: 5px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 9px;
  color: rgba(229, 233, 246, 0.63);
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.62rem;
  font-weight: 800;
  text-align: center;
  cursor: pointer;
}

.geometry-toggle-grid input:checked + span {
  border-color: rgba(133, 126, 255, 0.46);
  color: #e9e7ff;
  background: rgba(106, 96, 255, 0.2);
}

[data-theme="light"] .geometry-toggle-grid span {
  border-color: rgba(35, 50, 79, 0.1);
  color: rgba(40, 55, 84, 0.66);
  background: rgba(43, 59, 91, 0.04);
}

[data-theme="light"] .geometry-toggle-grid input:checked + span {
  color: #403897;
  background: rgba(99, 88, 231, 0.12);
}

.geometry-style-row {
  gap: 8px;
  margin-bottom: 12px;
}

.geometry-style-row label {
  flex: 1;
}

.geometry-style-row input[type="color"] {
  width: 100%;
  height: 35px;
  box-sizing: border-box;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}

.geometry-style-row input[type="number"] {
  width: 100%;
  height: 35px;
  padding: 7px 9px;
}

.geometry-construct-wrap {
  position: relative;
}

.geometry-construct-toggle {
  width: 100%;
  min-height: 39px;
  border-radius: 11px;
  color: white;
  background: linear-gradient(135deg, #746bff, #514bd2);
  box-shadow: 0 9px 20px rgba(71, 61, 207, 0.25);
  font-size: 0.82rem;
  font-weight: 900;
}

.geometry-construct-toggle > span {
  margin-right: 4px;
  font-size: 1.12rem;
}

.geometry-construct-menu {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  margin-top: 7px;
  padding: 7px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(4, 7, 13, 0.82);
}

[data-theme="light"] .geometry-construct-menu {
  border-color: rgba(36, 49, 77, 0.1);
  background: rgba(239, 243, 250, 0.94);
}

.geometry-construct-menu button {
  min-width: 0;
  padding: 8px;
  border-radius: 8px;
  text-align: left;
  background: rgba(255, 255, 255, 0.055);
}

.geometry-construct-menu button:hover {
  background: rgba(119, 110, 255, 0.18);
}

.geometry-construct-menu span,
.geometry-construct-menu small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.geometry-construct-menu span {
  font-size: 0.7rem;
  font-weight: 800;
}

.geometry-construct-menu small {
  margin-top: 2px;
  color: rgba(224, 229, 244, 0.5);
  font-size: 0.55rem;
}

[data-theme="light"] .geometry-construct-menu small {
  color: rgba(47, 62, 91, 0.54);
}

.geometry-construction-list {
  display: grid;
  gap: 5px;
  margin-top: 9px;
}

.geometry-construction-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 31px;
  padding: 4px 5px 4px 9px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.045);
  font-size: 0.67rem;
  font-weight: 700;
}

.geometry-construction-item span:first-child {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #8f88ff;
  box-shadow: 0 0 0 3px rgba(143, 136, 255, 0.12);
}

.geometry-construction-item strong {
  min-width: 0;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.geometry-construction-item button {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  color: rgba(242, 202, 208, 0.76);
  background: transparent;
}

.geometry-construction-item button:hover {
  color: #fff;
  background: rgba(229, 76, 96, 0.2);
}

.geometry-object-actions {
  gap: 7px;
  margin-top: 11px;
}

.geometry-object-actions button {
  min-height: 35px;
  flex: 1;
  border-radius: 10px;
  color: rgba(238, 241, 250, 0.78);
  background: rgba(255, 255, 255, 0.065);
  font-size: 0.7rem;
  font-weight: 800;
}

.geometry-object-actions button.danger {
  color: #ffc0c9;
  background: rgba(225, 60, 82, 0.12);
}

[data-theme="light"] .geometry-object-actions button {
  color: #394967;
  background: rgba(41, 57, 91, 0.07);
}

[data-theme="light"] .geometry-object-actions button.danger {
  color: #a62f42;
  background: rgba(205, 48, 70, 0.09);
}

@media (max-width: 760px) {
  .geometry-inspector,
  body.toolbar-location-down .geometry-inspector {
    top: auto;
    right: 10px;
    bottom: 64px;
    left: 10px;
    width: auto;
    max-height: min(52vh, 460px);
    padding: 13px;
    border-radius: 18px;
  }

  body.toolbar-location-down .geometry-inspector {
    bottom: 84px;
  }

  .geometry-measure-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .geometry-measure-card {
    padding: 7px;
  }
}

@media (max-width: 440px) {
  .geometry-measure-grid {
    grid-template-columns: 1fr 1fr;
  }

  .geometry-dimension-fields {
    grid-template-columns: 1fr;
  }

  .geometry-rotation-row {
    grid-template-columns: minmax(0, 1fr) 58px;
  }
}


/* ============================================================
   Tool option panels — shared polish
   ============================================================ */

.tool-options {
  gap: 12px;
  width: max-content;
  min-width: 208px;
  max-width: min(280px, calc(100vw - 24px));
  max-height: min(70vh, 560px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 16px;
  background:
    radial-gradient(circle at 100% 0%, rgba(104, 95, 255, 0.16), transparent 42%),
    rgba(12, 16, 25, 0.95);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4), inset 0 1px rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px) saturate(1.15);
  scrollbar-width: thin;
}

[data-theme="light"] .tool-options {
  border-color: rgba(58, 72, 102, 0.14);
  background:
    radial-gradient(circle at 100% 0%, rgba(98, 88, 255, 0.1), transparent 42%),
    rgba(250, 252, 255, 0.97);
  box-shadow: 0 16px 40px rgba(54, 69, 98, 0.18), inset 0 1px #ffffff;
}

.tool-options::-webkit-scrollbar {
  width: 8px;
}

.tool-options::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
}

.tool-dock .tool-options.is-docked {
  min-width: 0;
  width: 100%;
  max-height: none;
  overflow: visible;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
}

.shape-btn {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border-color: rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.06);
}

.shape-btn.active {
  border-color: rgba(133, 126, 255, 0.7);
  background: rgba(106, 96, 255, 0.22);
  box-shadow: 0 6px 16px rgba(84, 74, 226, 0.28);
}

.color-swatch {
  width: 22px;
  height: 22px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.28);
  transition: transform 0.16s ease, border-color 0.16s ease;
}

.color-swatch.active {
  border-color: #8b84ff;
  transform: scale(1.12);
}

/* ============================================================
   Smart geometry inspector — sticky header + scrolling body
   ============================================================ */

.geometry-inspector {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.geometry-inspector-grabber {
  display: none;
}

.geometry-inspector-header {
  flex: 0 0 auto;
  gap: 10px;
  margin-bottom: 0;
  padding: 14px 15px 11px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .geometry-inspector-header {
  border-bottom-color: rgba(46, 60, 88, 0.11);
}

.geometry-inspector-heading {
  min-width: 0;
}

.geometry-inspector-heading h2 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.geometry-inspector-header-actions {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 6px;
}

.geometry-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.16s ease, color 0.16s ease;
}

.geometry-icon-btn:hover {
  background: rgba(255, 255, 255, 0.14);
}

.geometry-collapse-btn span {
  display: block;
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 0.2s ease;
}

.geometry-inspector-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 14px 15px 15px;
  scrollbar-width: thin;
}

.geometry-inspector-body::-webkit-scrollbar {
  width: 8px;
}

.geometry-inspector-body::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
}

.geometry-inspector.is-collapsed,
body.toolbar-location-down .geometry-inspector.is-collapsed {
  bottom: auto;
  max-height: none;
}

.geometry-inspector.is-collapsed .geometry-inspector-body {
  display: none;
}

.geometry-inspector.is-collapsed .geometry-inspector-header {
  border-bottom: 0;
}

.geometry-inspector.is-collapsed .geometry-collapse-btn span {
  transform: rotate(180deg);
}

.geometry-toggle-grid {
  grid-template-columns: 1fr 1fr;
}

.geometry-toggle-grid label[hidden] {
  display: none !important;
}

.geometry-section-heading {
  margin-bottom: 6px;
  color: rgba(224, 229, 244, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

[data-theme="light"] .geometry-section-heading {
  color: rgba(51, 65, 91, 0.62);
}

/* ============================================================
   Algebra tiles — tool panel
   ============================================================ */

.tile-tool-icon .tile-icon-unit {
  fill: currentColor;
  opacity: 0.82;
}

.tool.active .tile-tool-icon .tile-icon-unit {
  fill: #8b84ff;
  opacity: 1;
}

.tile-tray {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  width: 100%;
}

.tile-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 12px;
  color: inherit;
  background: rgba(255, 255, 255, 0.04);
  font: inherit;
  cursor: grab;
  touch-action: none;
  transition: transform 0.14s ease, border-color 0.14s ease, background 0.14s ease;
}

[data-theme="light"] .tile-chip {
  border-color: rgba(35, 50, 79, 0.1);
  background: rgba(43, 59, 91, 0.04);
}

.tile-chip:hover {
  border-color: rgba(133, 126, 255, 0.45);
  background: rgba(106, 96, 255, 0.14);
  transform: translateY(-1px);
}

.tile-chip:active {
  cursor: grabbing;
  transform: scale(0.97);
}

.tile-chip.active {
  border-color: rgba(133, 126, 255, 0.75);
  background: rgba(106, 96, 255, 0.2);
  box-shadow: 0 6px 16px rgba(84, 74, 226, 0.26);
}

.tile-chip-label {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  font-size: 0.74rem;
  font-weight: 800;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tile-chip-art {
  display: block;
  flex: 0 0 auto;
  border-radius: 3px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.28);
}

.tile-art-unit { width: 11px; height: 11px; background: #fbbf24; }
.tile-art-x { width: 25px; height: 11px; background: #7c74ff; }
.tile-art-y { width: 18px; height: 11px; background: #2dd4bf; }
.tile-art-x2 { width: 22px; height: 22px; background: #7c74ff; }
.tile-art-xy { width: 25px; height: 18px; background: #a855f7; }
.tile-art-diff { width: 16px; height: 11px; background: #38bdf8; }
.tile-art-free {
  width: 22px;
  height: 14px;
  background: transparent;
  box-shadow: inset 0 0 0 1.5px rgba(148, 163, 184, 0.9);
}

.tile-chip-ghost {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 30000;
  pointer-events: none;
  opacity: 0.94;
  border-color: rgba(133, 126, 255, 0.7);
  background: rgba(18, 22, 34, 0.96);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.45);
}

.tile-chip-ghost.is-over-canvas {
  border-color: #5eead4;
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.45), 0 0 0 3px rgba(94, 234, 212, 0.25);
}

body.tile-dragging {
  cursor: grabbing;
  user-select: none;
}

.tile-hint {
  margin: 8px 0 0;
  color: rgba(224, 229, 244, 0.52);
  font-size: 0.62rem;
  line-height: 1.45;
  text-align: center;
}

[data-theme="light"] .tile-hint {
  color: rgba(51, 65, 91, 0.6);
}

.tile-hint code {
  padding: 1px 4px;
  border-radius: 4px;
  background: rgba(139, 132, 255, 0.18);
  color: #c9c5ff;
  font-size: 0.62rem;
}

[data-theme="light"] .tile-hint code {
  color: #4c43c7;
  background: rgba(99, 88, 231, 0.12);
}

.tile-sign-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  width: 100%;
  margin-bottom: 11px;
}

.tile-sign-btn {
  min-height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 10px;
  color: rgba(229, 233, 246, 0.68);
  background: rgba(255, 255, 255, 0.035);
  font: inherit;
  font-size: 0.66rem;
  font-weight: 800;
  cursor: pointer;
  transition: border-color 0.14s ease, background 0.14s ease, color 0.14s ease;
}

[data-theme="light"] .tile-sign-btn {
  border-color: rgba(35, 50, 79, 0.1);
  color: rgba(40, 55, 84, 0.7);
  background: rgba(43, 59, 91, 0.04);
}

.tile-sign-btn[data-tile-sign="positive"].active,
.tile-sign-btn[data-tile-inspector-sign="positive"].active {
  border-color: rgba(133, 126, 255, 0.6);
  color: #e9e7ff;
  background: rgba(106, 96, 255, 0.22);
}

.tile-sign-btn[data-tile-sign="negative"].active,
.tile-sign-btn[data-tile-inspector-sign="negative"].active {
  border-color: rgba(255, 90, 118, 0.65);
  color: #ffd5dc;
  background: rgba(255, 90, 118, 0.2);
}

.tile-variable-list {
  display: grid;
  gap: 6px;
  width: 100%;
}

.tile-variable-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.035);
}

[data-theme="light"] .tile-variable-row {
  border-color: rgba(35, 50, 79, 0.1);
  background: rgba(43, 59, 91, 0.04);
}

.tile-variable-row.is-orphan {
  border-color: rgba(255, 90, 118, 0.45);
  background: rgba(255, 90, 118, 0.09);
}

.tile-variable-name {
  min-width: 18px;
  color: #c9c5ff;
  font-size: 0.82rem;
  font-style: italic;
  font-weight: 800;
  text-align: center;
}

[data-theme="light"] .tile-variable-name {
  color: #4c43c7;
}

.tile-variable-input {
  flex: 1;
  min-width: 0;
}

.tile-variable-input input {
  padding: 6px 4px 6px 8px;
  font-size: 0.76rem;
}

.tile-variable-warning {
  flex: 0 0 auto;
  color: #ff8ca0;
  font-size: 0.72rem;
}

/* ============================================================
   Algebra tiles — selection inspector
   ============================================================ */

.manipulative-inspector .tile-measure-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tile-label-field {
  display: block;
  margin-bottom: 12px;
}

.tile-label-field > label {
  display: block;
  margin-bottom: 5px;
  color: rgba(224, 229, 244, 0.62);
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

[data-theme="light"] .tile-label-field > label {
  color: rgba(51, 65, 91, 0.62);
}

.tile-label-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 92px;
  gap: 6px;
  align-items: stretch;
}

.tile-label-field input[type="text"] {
  width: 100%;
  box-sizing: border-box;
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 10px;
  outline: none;
  color: inherit;
  background: rgba(255, 255, 255, 0.055);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 700;
}

[data-theme="light"] .tile-label-field input[type="text"] {
  border-color: rgba(37, 52, 81, 0.14);
  background: rgba(53, 70, 104, 0.05);
}

.tile-label-field input[type="text"]:focus {
  border-color: rgba(133, 126, 255, 0.68);
  box-shadow: 0 0 0 3px rgba(106, 96, 255, 0.16);
}

.tile-value-input {
  min-width: 0;
  transition: opacity 0.16s ease;
}

.tile-value-input input {
  padding: 10px 2px 10px 9px;
  font-size: 0.84rem;
  font-weight: 700;
}

.tile-value-input input:focus {
  outline: none;
}

.tile-value-input:focus-within {
  border-color: rgba(133, 126, 255, 0.68);
  box-shadow: 0 0 0 3px rgba(106, 96, 255, 0.16);
}

.tile-value-input.is-locked {
  opacity: 0.5;
}

.tile-value-input input:disabled {
  cursor: not-allowed;
}

.tile-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.tile-suggestion {
  padding: 3px 8px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  color: rgba(229, 233, 246, 0.72);
  background: rgba(255, 255, 255, 0.04);
  font: inherit;
  font-size: 0.63rem;
  font-weight: 800;
  cursor: pointer;
  transition: border-color 0.14s ease, background 0.14s ease, color 0.14s ease;
}

.tile-suggestion:hover {
  border-color: rgba(133, 126, 255, 0.55);
  color: #e9e7ff;
  background: rgba(106, 96, 255, 0.18);
}

[data-theme="light"] .tile-suggestion {
  border-color: rgba(35, 50, 79, 0.12);
  color: rgba(40, 55, 84, 0.72);
  background: rgba(43, 59, 91, 0.04);
}

.tile-status {
  display: block;
  margin-top: 6px;
  color: rgba(224, 229, 244, 0.55);
  font-size: 0.62rem;
  line-height: 1.4;
}

.tile-status[data-tone="bound"] { color: #9be7d8; }
.tile-status[data-tone="locked"] { color: #b3adff; }
.tile-status[data-tone="warn"] { color: #fcd34d; }
.tile-status[data-tone="bad"] { color: #ff9aab; }

.manipulative-inspector .tile-toggle-grid {
  grid-template-columns: 1fr;
}

.manipulative-inspector .tile-style-row label {
  flex: 1;
}

/* ============================================================
   Algebra tiles — docked rail layout (48px)
   ============================================================ */

.tool-dock .tile-tray {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.tool-dock .tile-chip {
  justify-content: center;
  width: 38px;
  min-height: 32px;
  padding: 4px;
  gap: 0;
}

.tool-dock .tile-chip-label {
  display: none;
}

.tool-dock .tile-hint,
.tool-dock #manipulativeVariableEmpty {
  display: none;
}

.tool-dock .tile-sign-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 38px;
  margin-bottom: 0;
}

.tool-dock .tile-sign-btn {
  min-height: 26px;
  font-size: 0;
}

.tool-dock .tile-sign-btn span {
  font-size: 0.9rem;
}

.tool-dock .tile-variable-list {
  width: 40px;
  justify-items: center;
}

.tool-dock .tile-variable-row {
  flex-direction: column;
  gap: 3px;
  width: 100%;
  padding: 4px 3px;
}

.tool-dock .tile-variable-input input {
  width: 30px;
  padding: 3px 2px;
  text-align: center;
  font-size: 0.66rem;
}

.tool-dock .tile-variable-input small {
  display: none;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 760px) {
  .geometry-inspector-grabber {
    display: block;
    flex: 0 0 auto;
    width: 42px;
    height: 4px;
    margin: 8px auto 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.22);
  }

  [data-theme="light"] .geometry-inspector-grabber {
    background: rgba(46, 60, 88, 0.2);
  }

  .geometry-inspector,
  body.toolbar-location-down .geometry-inspector {
    padding: 0;
  }

  .geometry-inspector-header {
    padding: 10px 13px;
  }

  .geometry-inspector-body {
    padding: 12px 13px calc(13px + env(safe-area-inset-bottom, 0px));
  }

  .tile-tray {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 440px) {
  .tile-tray {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .geometry-toggle-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 360px) {
  .tile-label-row {
    grid-template-columns: minmax(0, 1fr);
  }
}


/* Light-theme contrast for the tile sign toggle and status lines */
[data-theme="light"] .tile-sign-btn[data-tile-sign="positive"].active,
[data-theme="light"] .tile-sign-btn[data-tile-inspector-sign="positive"].active {
  border-color: rgba(99, 88, 231, 0.5);
  color: #3a3390;
  background: rgba(99, 88, 231, 0.14);
}

[data-theme="light"] .tile-sign-btn[data-tile-sign="negative"].active,
[data-theme="light"] .tile-sign-btn[data-tile-inspector-sign="negative"].active {
  border-color: rgba(214, 51, 79, 0.5);
  color: #a3273e;
  background: rgba(214, 51, 79, 0.12);
}

[data-theme="light"] .tile-status {
  color: rgba(51, 65, 91, 0.66);
}

[data-theme="light"] .tile-status[data-tone="bound"] { color: #0f766e; }
[data-theme="light"] .tile-status[data-tone="locked"] { color: #4c43c7; }
[data-theme="light"] .tile-status[data-tone="warn"] { color: #a16207; }
[data-theme="light"] .tile-status[data-tone="bad"] { color: #b3253c; }

[data-theme="light"] .tile-variable-warning {
  color: #b3253c;
}

[data-theme="light"] .geometry-icon-btn:hover {
  background: rgba(24, 36, 64, 0.12);
}

[data-theme="light"] .geometry-inspector-body::-webkit-scrollbar-thumb,
[data-theme="light"] .tool-options::-webkit-scrollbar-thumb {
  background: rgba(46, 60, 88, 0.2);
}

/* A bottom-sheet inspector owns the lower-left corner on small screens, so the
   floating menu button steps aside instead of sitting on top of the controls. */
@media (max-width: 760px) {
  body.geometry-sheet-open .menu-btn,
  body.tile-sheet-open .menu-btn {
    opacity: 0;
    transform: translateY(14px);
    pointer-events: none;
  }

  .menu-btn {
    transition: opacity 0.18s ease, transform 0.18s ease;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tile-chip,
  .tile-suggestion,
  .tile-sign-btn,
  .geometry-collapse-btn span,
  .menu-btn {
    transition: none;
  }
}