:root {
  color-scheme: dark;
  --ink: #f4efe5;
  --muted: #989a94;
  --panel: rgba(31, 32, 30, 0.94);
  --panel-strong: #252624;
  --canvas: #171817;
  --line: #3b3d39;
  --accent: #ff7657;
  --accent-dark: #d84e32;
  --selection: #ff8b6f;
  --subtle: rgba(255, 255, 255, 0.045);
  --input: #171817;
  --grid-color: #353733;
  --shadow: rgba(0, 0, 0, 0.3);
  --backdrop: rgba(7, 8, 7, 0.7);
  --accent-ink: #2c1711;
  --danger: #ff9680;
  --palette-neutral: #ded8cc;
  --palette-red: #ff716c;
  --palette-orange: #ff9a55;
  --palette-yellow: #f3ce63;
  --palette-green: #6dd89a;
  --palette-cyan: #58d4d8;
  --palette-blue: #70a7ff;
  --palette-violet: #b594ff;
  --radius: 10px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"] {
  color-scheme: light;
  --ink: #25231f;
  --muted: #66645d;
  --panel: rgba(255, 253, 247, 0.95);
  --panel-strong: #ebe7dd;
  --canvas: #f5f1e8;
  --line: #d1ccc0;
  --accent: #d94d30;
  --accent-dark: #a8321d;
  --selection: #d94d30;
  --subtle: rgba(34, 31, 26, 0.055);
  --input: #fffdf8;
  --grid-color: #d6d0c4;
  --shadow: rgba(52, 43, 30, 0.16);
  --backdrop: rgba(49, 44, 36, 0.32);
  --accent-ink: #fffaf2;
  --danger: #b52f25;
  --palette-neutral: #393732;
  --palette-red: #c83232;
  --palette-orange: #9f4510;
  --palette-yellow: #785800;
  --palette-green: #197545;
  --palette-cyan: #08747b;
  --palette-blue: #285fb5;
  --palette-violet: #7040ac;
}

:root[data-theme="blueprint"] {
  color-scheme: dark;
  --ink: #e9f5ff;
  --muted: #8eb3d2;
  --panel: rgba(8, 38, 68, 0.95);
  --panel-strong: #0d355d;
  --canvas: #082746;
  --line: #2c5d87;
  --accent: #ffcc5c;
  --accent-dark: #c99222;
  --selection: #ffd46f;
  --subtle: rgba(194, 229, 255, 0.075);
  --input: #061f38;
  --grid-color: #245277;
  --shadow: rgba(0, 8, 18, 0.42);
  --backdrop: rgba(3, 18, 32, 0.78);
  --accent-ink: #302000;
  --danger: #ff9c99;
  --palette-neutral: #d7efff;
  --palette-red: #ff8989;
  --palette-orange: #ffae68;
  --palette-yellow: #ffe071;
  --palette-green: #79e0ac;
  --palette-cyan: #6ee7ef;
  --palette-blue: #82b8ff;
  --palette-violet: #c3a4ff;
}

:root[data-theme="geek"] {
  color-scheme: dark;
  --ink: #baffc9;
  --muted: #68a377;
  --panel: rgba(4, 19, 12, 0.95);
  --panel-strong: #0a2919;
  --canvas: #020d08;
  --line: #17452c;
  --accent: #42ff88;
  --accent-dark: #13b956;
  --selection: #42ff88;
  --subtle: rgba(66, 255, 136, 0.07);
  --input: #03130b;
  --grid-color: #123622;
  --shadow: rgba(0, 0, 0, 0.52);
  --backdrop: rgba(0, 8, 4, 0.82);
  --accent-ink: #021309;
  --danger: #ff7188;
  --palette-neutral: #a5f5bd;
  --palette-red: #ff5773;
  --palette-orange: #ff9d45;
  --palette-yellow: #eaff65;
  --palette-green: #42ff88;
  --palette-cyan: #3dfff3;
  --palette-blue: #58a6ff;
  --palette-violet: #d982ff;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--canvas);
  color: var(--ink);
}

button,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

button:focus-visible,
textarea:focus-visible,
select:focus-visible,
#canvas:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.topbar {
  position: fixed;
  z-index: 20;
  top: 14px;
  left: 16px;
  right: 16px;
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px;
  border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 12px 36px var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px 0 4px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px 4px 9px 4px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
  transform: rotate(-3deg);
}

.tool-group,
.document-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tool-group {
  padding: 3px;
  border-radius: 10px;
  background: var(--subtle);
}

.tool-group.compact {
  background: transparent;
}

.document-actions {
  margin-left: auto;
}

.more-menu {
  position: relative;
}

#moreMenuButton circle {
  fill: currentColor;
  stroke: none;
}

.more-menu-popover {
  position: absolute;
  z-index: 50;
  top: calc(100% + 9px);
  right: 0;
  display: flex;
  width: 226px;
  flex-direction: column;
  gap: 3px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-strong);
  box-shadow: 0 16px 48px var(--shadow);
}

.more-menu-popover[hidden] {
  display: none;
}

.menu-item {
  min-height: 36px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 650;
  text-align: left;
  cursor: pointer;
}

.menu-item:hover:not(:disabled),
.menu-item:focus-visible {
  background: var(--subtle);
  color: var(--ink);
}

.menu-item:disabled {
  opacity: 0.4;
}

.menu-item-with-icon svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tool-button,
.icon-button,
.text-button,
.primary-button {
  border: 0;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, opacity 140ms ease, transform 140ms ease;
}

.tool-button {
  height: 36px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 11px;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.tool-button svg,
.icon-button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.tool-button:hover,
.tool-button.is-active {
  background: var(--panel-strong);
  color: var(--ink);
}

.tool-button.is-active {
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 55%, transparent);
}

.icon-button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 25px;
  line-height: 1;
}

.icon-button:hover:not(:disabled) {
  color: var(--ink);
  background: var(--subtle);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.35;
}

.text-button,
.primary-button {
  min-height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.text-button:hover:not(:disabled) {
  background: var(--subtle);
  color: var(--ink);
}

.primary-button {
  background: var(--accent);
  color: var(--accent-ink);
}

.primary-button:hover {
  background: color-mix(in srgb, var(--accent) 82%, var(--ink));
  transform: translateY(-1px);
}

.danger {
  color: var(--danger);
}

.group-divider {
  width: 1px;
  height: 20px;
  margin: 0 3px;
  background: var(--line);
}

.zoom-value {
  min-width: 46px;
  padding-right: 4px;
  color: var(--muted);
  font: 11px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  text-align: right;
}

.annotation-symbol {
  width: 7px;
  height: 7px;
  display: inline-block;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.frame-symbol {
  width: 12px;
  height: 9px;
  display: inline-block;
  margin-right: 6px;
  border: 1px dashed currentColor;
  border-radius: 2px;
}

.magic-symbol {
  display: inline-block;
  margin-right: 5px;
  color: var(--accent);
  font-size: 15px;
  line-height: 1;
}

.workspace,
#canvas {
  width: 100%;
  height: 100%;
}

.workspace {
  position: relative;
  background: var(--canvas);
}

#canvas {
  display: block;
  touch-action: none;
  user-select: none;
}

.workspace[data-tool="edit"] #canvas {
  cursor: crosshair;
}

.workspace[data-tool="read"] #canvas {
  cursor: grab;
}

.workspace.is-panning #canvas {
  cursor: grabbing;
}

.workspace[data-tool="read"] .diagram-object {
  cursor: grab;
}

.workspace.is-panning .diagram-object {
  cursor: grabbing;
}

.workspace.is-selection-ready #canvas,
.workspace.is-selection-ready .diagram-object {
  cursor: cell;
}

.grid-dot {
  fill: var(--grid-color);
}

.diagram-object {
  --object-color: var(--palette-neutral);
  cursor: pointer;
}

.diagram-object[data-color="red"] { --object-color: var(--palette-red); }
.diagram-object[data-color="orange"] { --object-color: var(--palette-orange); }
.diagram-object[data-color="yellow"] { --object-color: var(--palette-yellow); }
.diagram-object[data-color="green"] { --object-color: var(--palette-green); }
.diagram-object[data-color="cyan"] { --object-color: var(--palette-cyan); }
.diagram-object[data-color="blue"] { --object-color: var(--palette-blue); }
.diagram-object[data-color="violet"] { --object-color: var(--palette-violet); }

.diagram-shape {
  fill: color-mix(in srgb, var(--object-color) 15%, transparent);
  stroke: var(--object-color);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.text-block-shape {
  fill: color-mix(in srgb, var(--object-color) 8%, transparent);
  stroke-dasharray: 3 3;
}

.diagram-image {
  pointer-events: visiblePainted;
}

.image-border {
  fill: none;
  stroke: color-mix(in srgb, var(--object-color) 55%, transparent);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
  pointer-events: all;
  cursor: pointer;
}

.diagram-object:hover .image-border,
.diagram-object.is-selected .image-border {
  stroke: var(--selection);
  filter: drop-shadow(0 0 5px color-mix(in srgb, var(--selection) 45%, transparent));
}

.diagram-object.is-text-editing .object-text,
.diagram-object.is-text-editing .connector-label,
.frame-object.is-text-editing .frame-title text {
  opacity: 0;
}

.diagram-object.is-selected .diagram-shape,
.diagram-object.is-selected .connector-line,
.diagram-object.is-selected .freehand-line,
.diagram-object.is-selected .connector-arrow {
  stroke: var(--selection);
  filter: url(#selectionGlow);
}

.diagram-object:hover .diagram-shape,
.diagram-object:hover .connector-line,
.diagram-object:hover .connector-arrow,
.diagram-object:hover .freehand-line {
  stroke: color-mix(in srgb, var(--object-color) 72%, var(--ink));
  filter: drop-shadow(0 0 5px color-mix(in srgb, var(--object-color) 55%, transparent));
}

.diagram-object.is-selected:hover .diagram-shape,
.diagram-object.is-selected:hover .connector-line,
.diagram-object.is-selected:hover .connector-arrow,
.diagram-object.is-selected:hover .freehand-line {
  stroke: var(--selection);
}

.frame-border {
  fill: none;
  stroke: color-mix(in srgb, var(--object-color) 62%, transparent);
  stroke-width: 1.5;
  stroke-dasharray: 8 6;
  vector-effect: non-scaling-stroke;
  pointer-events: stroke;
  cursor: move;
}

.frame-object:hover .frame-border,
.frame-object.is-selected .frame-border,
.frame-object.is-active-frame .frame-border {
  stroke: var(--selection);
  filter: drop-shadow(0 0 4px color-mix(in srgb, var(--selection) 45%, transparent));
}

.frame-title {
  cursor: zoom-in;
}

.frame-title rect {
  fill: var(--panel-strong);
  stroke: color-mix(in srgb, var(--object-color) 70%, var(--line));
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.frame-title text {
  fill: color-mix(in srgb, var(--object-color) 75%, var(--ink));
  dominant-baseline: middle;
  font-weight: 720;
  pointer-events: none;
  user-select: none;
}

.frame-export-button {
  cursor: pointer;
}

.frame-export-button rect {
  fill: color-mix(in srgb, var(--object-color) 12%, var(--panel-strong));
}

.frame-export-button path {
  fill: none;
  stroke: var(--object-color);
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

.frame-export-button:hover rect {
  fill: color-mix(in srgb, var(--object-color) 28%, var(--panel-strong));
}

.marquee-box {
  stroke-width: 1.4;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.marquee-box.is-contained {
  fill: color-mix(in srgb, var(--palette-blue) 13%, transparent);
  stroke: var(--palette-blue);
}

.marquee-box.is-crossing {
  fill: color-mix(in srgb, var(--palette-green) 13%, transparent);
  stroke: var(--palette-green);
  stroke-dasharray: 6 4;
}

.multi-selection-box {
  stroke-width: 2;
  stroke-dasharray: 7 4;
}

.freehand-line,
.draft-line {
  fill: none;
  stroke: var(--object-color);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
}

.draft-line {
  stroke: var(--accent);
  opacity: 0.8;
}

.connector-hit-area {
  fill: none;
  stroke: transparent;
  stroke-width: 16;
  vector-effect: non-scaling-stroke;
  pointer-events: stroke;
}

.connector-line {
  fill: none;
  stroke: var(--object-color);
  stroke-width: 2;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.connector-arrow {
  fill: none;
  stroke: var(--object-color);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.object-text {
  fill: color-mix(in srgb, var(--object-color) 78%, var(--ink));
  font-size: 14px;
  font-weight: 540;
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
  user-select: none;
}

.text-block-text,
.markdown-inline-code,
.markdown-code-text {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.text-block-text {
  text-anchor: start;
}

.markdown-heading {
  letter-spacing: -0.015em;
}

.markdown-inline-code {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.markdown-code-block-line {
  stroke: color-mix(in srgb, var(--object-color) 52%, transparent);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.markdown-link {
  fill: color-mix(in srgb, var(--object-color) 72%, var(--accent));
  text-decoration: underline;
  pointer-events: all;
  cursor: pointer;
}

.connector-text-backdrop {
  fill: var(--canvas);
  opacity: 0.92;
}

.annotation-dot {
  fill: var(--accent);
  stroke: var(--canvas);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
  pointer-events: all;
  cursor: pointer;
}

.appearance-panel {
  position: absolute;
  left: 18px;
  bottom: 16px;
  z-index: 12;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 6px 9px;
  border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  border-radius: 11px;
  background: var(--panel);
  box-shadow: 0 8px 28px var(--shadow);
  backdrop-filter: blur(16px);
}

.theme-control {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.theme-control select {
  height: 28px;
  padding: 0 25px 0 8px;
  border: 0;
  border-radius: 7px;
  outline: 1px solid var(--line);
  background: var(--input);
  color: var(--ink);
  font: 11px/1 ui-sans-serif, system-ui, sans-serif;
  cursor: pointer;
}

.appearance-divider {
  width: 1px;
  height: 22px;
  background: var(--line);
}

.color-palette {
  display: flex;
  align-items: center;
  gap: 5px;
}

.color-swatch {
  --swatch-color: var(--palette-neutral);
  width: 20px;
  height: 20px;
  padding: 0;
  border: 3px solid var(--panel-strong);
  border-radius: 50%;
  outline: 1px solid color-mix(in srgb, var(--swatch-color) 50%, var(--line));
  background: var(--swatch-color);
  cursor: pointer;
  transition: transform 130ms ease, outline-color 130ms ease;
}

.color-swatch[data-color="red"] { --swatch-color: var(--palette-red); }
.color-swatch[data-color="orange"] { --swatch-color: var(--palette-orange); }
.color-swatch[data-color="yellow"] { --swatch-color: var(--palette-yellow); }
.color-swatch[data-color="green"] { --swatch-color: var(--palette-green); }
.color-swatch[data-color="cyan"] { --swatch-color: var(--palette-cyan); }
.color-swatch[data-color="blue"] { --swatch-color: var(--palette-blue); }
.color-swatch[data-color="violet"] { --swatch-color: var(--palette-violet); }

.color-swatch:hover,
.color-swatch.is-active {
  outline: 2px solid var(--ink);
  outline-offset: 2px;
  transform: scale(1.08);
}

.color-palette.is-readonly .color-swatch {
  cursor: default;
  opacity: 0.48;
}

.annotation-tooltip {
  position: fixed;
  z-index: 40;
  width: max-content;
  max-width: min(330px, calc(100vw - 28px));
  max-height: min(260px, calc(100vh - 28px));
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--ink);
  box-shadow: 0 10px 30px var(--shadow);
  font-size: 12px;
  line-height: 1.45;
  white-space: pre-wrap;
  overflow: auto;
  opacity: 0;
  pointer-events: auto;
  transform: translateY(4px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.annotation-tooltip.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.annotation-tooltip .markdown-heading {
  font-size: 1.08em;
  font-weight: 750;
}

.annotation-tooltip code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color: var(--palette-cyan);
}

.annotation-tooltip a {
  color: var(--accent);
}

.selection-mode-badge {
  position: absolute;
  z-index: 25;
  left: 50%;
  bottom: 66px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--muted);
  box-shadow: 0 8px 24px var(--shadow);
  font-size: 11px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 7px);
  transition: opacity 120ms ease, transform 120ms ease;
}

.selection-mode-badge strong {
  color: var(--palette-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.selection-mode-badge.is-crossing strong {
  color: var(--palette-green);
}

.selection-mode-badge.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.inline-text-editor {
  --editor-color: var(--ink);
  position: absolute;
  z-index: 35;
  display: none;
  min-width: 90px;
  min-height: 32px;
  margin: 0;
  padding: 8px 10px;
  resize: none;
  border: 1.5px solid var(--selection);
  border-radius: 6px;
  outline: 0;
  background: color-mix(in srgb, var(--canvas) 92%, transparent);
  color: var(--editor-color);
  line-height: 1.25;
  text-align: center;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--selection) 18%, transparent), 0 8px 24px var(--shadow);
  transform-origin: center;
}

.inline-text-editor.is-visible {
  display: block;
}

.inline-text-editor.is-code-block {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  line-height: 1.3;
  text-align: left;
  tab-size: 2;
}

.emoji-autocomplete {
  position: fixed;
  z-index: 38;
  width: min(280px, calc(100vw - 24px));
  max-height: 238px;
  overflow-y: auto;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-strong);
  box-shadow: 0 14px 42px var(--shadow);
}

.emoji-autocomplete[hidden] {
  display: none;
}

.emoji-option {
  width: 100%;
  min-height: 34px;
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 7px;
  padding: 3px 7px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font: 12px/1.25 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  text-align: left;
  cursor: pointer;
}

.emoji-option:hover,
.emoji-option.is-active {
  background: var(--subtle);
  color: var(--ink);
}

.emoji-option span:first-child {
  font: 20px/1 system-ui, sans-serif;
  text-align: center;
}

.selection-box {
  fill: none;
  stroke: var(--selection);
  stroke-width: 1.4;
  stroke-dasharray: 5 4;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.selection-handle,
.endpoint-handle,
.rotation-handle {
  fill: var(--canvas);
  stroke: var(--selection);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.selection-handle {
  cursor: nwse-resize;
}

.selection-handle[data-handle="n"],
.selection-handle[data-handle="s"] {
  cursor: ns-resize;
}

.selection-handle[data-handle="e"],
.selection-handle[data-handle="w"] {
  cursor: ew-resize;
}

.selection-handle[data-handle="ne"],
.selection-handle[data-handle="sw"] {
  cursor: nesw-resize;
}

.rotation-handle {
  cursor: grab;
}

.rotation-stem {
  stroke: var(--selection);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
}

.endpoint-handle {
  cursor: crosshair;
}

.canvas-hint {
  position: absolute;
  top: 49%;
  left: 50%;
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: var(--muted);
  text-align: center;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: opacity 200ms ease;
}

.canvas-hint strong {
  color: color-mix(in srgb, var(--muted) 60%, var(--ink));
  font: 25px/1.1 Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.canvas-hint.is-hidden {
  opacity: 0;
}

.shortcut-hint {
  position: absolute;
  right: 20px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
  pointer-events: none;
}

.shortcut-hint span {
  width: 3px;
  height: 3px;
  margin: 0 3px;
  border-radius: 50%;
  background: var(--line);
}

kbd {
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel-strong);
  color: var(--muted);
  font: 10px/1 ui-monospace, SFMono-Regular, Consolas, monospace;
  box-shadow: 0 1px 0 var(--shadow);
}

.toast {
  position: absolute;
  left: 50%;
  bottom: 24px;
  z-index: 30;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-strong);
  color: var(--ink);
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 160ms ease, transform 160ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.dialog {
  width: min(480px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-strong);
  color: var(--ink);
  box-shadow: 0 24px 90px var(--shadow);
}

.dialog::backdrop {
  background: var(--backdrop);
  backdrop-filter: blur(4px);
}

.dialog form {
  display: flex;
  flex-direction: column;
  gap: 13px;
  padding: 20px;
}

.dialog-heading,
.dialog-actions {
  display: flex;
  align-items: center;
}

.dialog-heading {
  justify-content: space-between;
}

.dialog h2 {
  margin: 3px 0 0;
  font: 25px/1 Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.eyebrow,
.dialog label {
  color: var(--muted);
  font-size: 11px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.dialog textarea {
  width: 100%;
  min-height: 130px;
  resize: vertical;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--input);
  color: var(--ink);
  line-height: 1.5;
}

.dialog-spacer {
  flex: 1;
}

.compact-dialog {
  width: min(420px, calc(100vw - 32px));
}

.compact-dialog p {
  margin: 4px 0 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.export-format-actions {
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

@media (max-width: 480px) {
  .export-format-actions button {
    flex: 1 1 100%;
  }
}

@media (max-width: 900px) {
  .brand > span:last-child,
  .tool-button span,
  .contextual-action,
  .zoom-value {
    display: none;
  }

  .topbar {
    gap: 5px;
  }

  .tool-button {
    width: 36px;
    justify-content: center;
    padding: 0;
  }

  .appearance-panel {
    max-width: calc(100vw - 36px);
  }

  .theme-control > span,
  .appearance-divider {
    display: none;
  }

  .color-palette {
    gap: 4px;
  }

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

@media (max-width: 600px) {
  .topbar {
    flex-wrap: wrap;
  }

  .document-actions {
    flex: 1 0 100%;
    justify-content: flex-end;
    margin-left: 0;
  }

}