: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;
  --syntax-comment: #8d9992;
  --syntax-keyword: #c5a3ff;
  --syntax-string: #8bdc9b;
  --syntax-number: #ffad7d;
  --syntax-literal: #72c7ff;
  --syntax-name: #ffd37a;
  --syntax-operator: #7ddce2;
  --syntax-tag: #ff8f84;
  --syntax-attribute: #d9bd79;
  --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;
  --syntax-comment: #66736f;
  --syntax-keyword: #7040ac;
  --syntax-string: #247344;
  --syntax-number: #a84418;
  --syntax-literal: #285fb5;
  --syntax-name: #805800;
  --syntax-operator: #08747b;
  --syntax-tag: #b52f25;
  --syntax-attribute: #785800;
}

: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;
}

:root[data-theme="classic"] {
  color-scheme: light;
  --ink: #17202b;
  --muted: #4f5965;
  --panel: #d4d0c8;
  --panel-strong: #ece9d8;
  --canvas: #ffffff;
  --line: #7f8c99;
  --accent: #0a64ad;
  --accent-dark: #06457a;
  --selection: #0054a6;
  --subtle: #e4edf7;
  --input: #ffffff;
  --grid-color: #ccd8e4;
  --shadow: rgba(28, 36, 44, 0.28);
  --backdrop: rgba(32, 42, 52, 0.3);
  --accent-ink: #ffffff;
  --danger: #a40000;
  --palette-neutral: #252b32;
  --palette-red: #b82323;
  --palette-orange: #a84d0e;
  --palette-yellow: #806000;
  --palette-green: #27713b;
  --palette-cyan: #0f7180;
  --palette-blue: #175da8;
  --palette-violet: #65449a;
  --syntax-comment: #5f6d68;
  --syntax-keyword: #0000a8;
  --syntax-string: #237529;
  --syntax-number: #9a3f00;
  --syntax-literal: #175da8;
  --syntax-name: #65449a;
  --syntax-operator: #3c4f62;
  --syntax-tag: #9a1c1c;
  --syntax-attribute: #755600;
  --radius: 1px;
  font-family: Tahoma, Verdana, "Segoe UI", sans-serif;
}

:root[data-theme="graphite"] {
  color-scheme: light;
  --ink: #25282c;
  --muted: #666b72;
  --panel: rgba(236, 237, 239, 0.96);
  --panel-strong: #f7f7f8;
  --canvas: #fbfcfd;
  --line: #b6bac0;
  --accent: #1676c8;
  --accent-dark: #0c5799;
  --selection: #087ff5;
  --subtle: rgba(42, 49, 58, 0.075);
  --input: #ffffff;
  --grid-color: #d6dce2;
  --shadow: rgba(38, 43, 49, 0.2);
  --backdrop: rgba(50, 55, 62, 0.28);
  --accent-ink: #ffffff;
  --danger: #c43232;
  --palette-neutral: #34383d;
  --palette-red: #c8423e;
  --palette-orange: #b55e1c;
  --palette-yellow: #866600;
  --palette-green: #267b4b;
  --palette-cyan: #147985;
  --palette-blue: #2569ba;
  --palette-violet: #7250a8;
  --syntax-comment: #69736f;
  --syntax-keyword: #7650a8;
  --syntax-string: #287443;
  --syntax-number: #a04f1e;
  --syntax-literal: #2569ba;
  --syntax-name: #89650a;
  --syntax-operator: #147985;
  --syntax-tag: #b63737;
  --syntax-attribute: #806013;
  --radius: 7px;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="workbench"] {
  color-scheme: light;
  --ink: #202321;
  --muted: #555b57;
  --panel: #d9dad7;
  --panel-strong: #eeeeec;
  --canvas: #ffffff;
  --line: #888a85;
  --accent: #3465a4;
  --accent-dark: #204a87;
  --selection: #3465a4;
  --subtle: #d3d7cf;
  --input: #ffffff;
  --grid-color: #d4d8d2;
  --shadow: rgba(46, 52, 54, 0.24);
  --backdrop: rgba(46, 52, 54, 0.32);
  --accent-ink: #ffffff;
  --danger: #a40000;
  --palette-neutral: #2e3436;
  --palette-red: #a40000;
  --palette-orange: #a55016;
  --palette-yellow: #786600;
  --palette-green: #4b7d24;
  --palette-cyan: #197b83;
  --palette-blue: #3465a4;
  --palette-violet: #75507b;
  --syntax-comment: #667069;
  --syntax-keyword: #5c3566;
  --syntax-string: #4e7b24;
  --syntax-number: #a34d18;
  --syntax-literal: #204a87;
  --syntax-name: #786600;
  --syntax-operator: #197b83;
  --syntax-tag: #a40000;
  --syntax-attribute: #75507b;
  --radius: 3px;
  font-family: "DejaVu Sans", "Liberation Sans", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button {
  color: inherit;
}

button:focus-visible,
input: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: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  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 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,
.topbar-zone {
  display: flex;
  align-items: center;
  gap: 4px;
}

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

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

.document-actions {
  justify-content: flex-end;
}

.topbar-left {
  min-width: 0;
}

.topbar-center {
  min-width: 0;
  justify-content: center;
}

.topbar-share {
  min-height: 36px;
  padding-inline: 16px;
}

.document-menu {
  position: relative;
  min-width: 0;
}

.document-menu-button {
  min-width: 0;
  max-width: 220px;
  height: 36px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 8px 0 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.document-menu-button:hover,
.document-menu-button[aria-expanded="true"] {
  border-color: var(--line);
  background: var(--subtle);
  color: var(--ink);
}

.document-menu-button span {
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-menu-button svg {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.document-menu-popover {
  position: absolute;
  z-index: 50;
  top: calc(100% + 9px);
  left: 0;
  width: min(320px, calc(100vw - 32px));
  padding: 7px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--panel-strong);
  box-shadow: 0 16px 48px var(--shadow);
}

.document-menu-popover[hidden],
.share-url-row[hidden] {
  display: none;
}

.document-menu-heading {
  padding: 7px 9px 9px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.document-list {
  max-height: min(360px, calc(100vh - 180px));
  overflow-y: auto;
}

.document-menu-item,
.document-menu-new {
  width: 100%;
  border: 0;
  border-radius: 7px;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.document-menu-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 9px 10px;
}

.document-menu-item:hover,
.document-menu-item:focus-visible,
.document-menu-item.is-active {
  background: var(--subtle);
}

.document-menu-item.is-active .document-menu-item-title {
  color: var(--accent);
}

.document-menu-item-title {
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.document-menu-item-status {
  color: var(--muted);
  font-size: 10px;
}

.document-menu-new {
  margin-top: 6px;
  padding: 10px;
  border-top: 1px solid var(--line);
  border-radius: 0 0 7px 7px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
}

.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;
}

.follow-button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.follow-button[hidden] {
  display: none;
}

.follow-status {
  width: 8px;
  height: 8px;
  border: 1px solid var(--muted);
  border-radius: 50%;
}

.follow-button.has-editor .follow-status {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}

.follow-button[aria-pressed="true"] {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  color: var(--accent);
}

.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);
}

#presenceLayer {
  pointer-events: none;
}

.remote-cursor-pointer {
  fill: var(--accent);
  stroke: var(--canvas);
  stroke-width: 1.5;
  stroke-linejoin: round;
}

.remote-cursor-offscreen {
  fill: var(--accent);
  stroke: var(--canvas);
  stroke-width: 2;
}

.remote-cursor-label {
  fill: var(--accent-ink);
  font-size: 11px;
  font-weight: 750;
  dominant-baseline: middle;
}

.remote-cursor-label-backdrop {
  fill: var(--accent);
}

.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;
}

.diagram-object .diagram-shape.text-block-shape,
.diagram-object:hover .diagram-shape.text-block-shape,
.diagram-object.is-selected .diagram-shape.text-block-shape,
.diagram-object.is-selected:hover .diagram-shape.text-block-shape {
  fill: color-mix(in srgb, var(--object-color) 8%, transparent);
  stroke: none;
  filter: none;
}

.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;
}

.technical-icon {
  color: var(--object-color, currentColor);
  overflow: visible;
  vertical-align: middle;
  flex-shrink: 0;
  pointer-events: none;
}

.diagram-object.is-text-editing .technical-icon,
.diagram-object.is-text-editing .markdown-table-cell,
.diagram-object.is-text-editing .markdown-table-grid {
  opacity: 0;
}

.markdown-table-cell,
.markdown-table-grid {
  fill: none;
  stroke: var(--object-color);
  stroke-opacity: 0.4;
  stroke-width: 0.7;
  pointer-events: none;
}

.markdown-table-cell.is-header {
  fill: var(--object-color);
  fill-opacity: 0.12;
}

.annotation-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  margin: 4px 0;
}

.annotation-table th,
.annotation-table td {
  border: 1px solid var(--line);
  padding: 3px 5px;
  overflow-wrap: anywhere;
}

.annotation-table th {
  background: color-mix(in srgb, var(--ink) 10%, transparent);
}

.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-code-language {
  fill: var(--syntax-comment);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.object-text .syntax-comment { fill: var(--syntax-comment); }
.object-text .syntax-keyword { fill: var(--syntax-keyword); }
.object-text .syntax-string { fill: var(--syntax-string); }
.object-text .syntax-number { fill: var(--syntax-number); }
.object-text .syntax-literal { fill: var(--syntax-literal); }
.object-text .syntax-name { fill: var(--syntax-name); }
.object-text .syntax-operator,
.object-text .syntax-punctuation { fill: var(--syntax-operator); }
.object-text .syntax-tag { fill: var(--syntax-tag); }
.object-text .syntax-attribute { fill: var(--syntax-attribute); }

.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 .markdown-code-language {
  display: inline-block;
  color: var(--syntax-comment);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.annotation-tooltip .syntax-comment { color: var(--syntax-comment); }
.annotation-tooltip .syntax-keyword { color: var(--syntax-keyword); }
.annotation-tooltip .syntax-string { color: var(--syntax-string); }
.annotation-tooltip .syntax-number { color: var(--syntax-number); }
.annotation-tooltip .syntax-literal { color: var(--syntax-literal); }
.annotation-tooltip .syntax-name { color: var(--syntax-name); }
.annotation-tooltip .syntax-operator,
.annotation-tooltip .syntax-punctuation { color: var(--syntax-operator); }
.annotation-tooltip .syntax-tag { color: var(--syntax-tag); }
.annotation-tooltip .syntax-attribute { color: var(--syntax-attribute); }

.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;
}

.touch-hint {
  display: none;
}

.recording-menu-heading {
  margin-top: 6px;
  padding: 12px 10px 6px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}

.recording-actions { display: flex; justify-content: center; gap: 12px; padding: 6px 10px; }
.recording-actions #recordButton { color: var(--palette-red); }
.recording-actions #recordButton[aria-pressed="true"] { box-shadow: inset 0 0 0 1px var(--palette-red); }
.recording-actions [aria-pressed="false"] .pause-icon, .recording-actions [aria-pressed="true"] .record-icon { display: none; }
.more-menu-popover [hidden] { display: none; }
.recorded-cursor { pointer-events: none; }
.recorded-cursor path { fill: var(--palette-blue); stroke: var(--canvas); stroke-width: 1.5; }

.recording-status {
  position: absolute;
  top: 88px;
  right: 24px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  color: var(--ink);
  background: var(--panel);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.recording-status span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

.recording-launch {
  position: absolute;
  z-index: 20;
  left: 50%;
  bottom: 90px;
  /*transform: translateX(-50%);*/
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  box-shadow: 0 4px 20px var(--shadow);
}
.recording-launch svg { width: 18px; height: 18px; }
.recording-launch:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.recording-player {
  position: absolute;
  z-index: 40;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: min(760px, calc(100% - 32px));
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: 0 12px 40px var(--shadow);
}

.recording-player-title { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.recording-player .icon-button { width: 32px; height: 32px; flex: 0 0 32px; }
.recording-player input[type="range"] { flex: 1; min-width: 32px; accent-color: var(--accent); cursor: pointer; }
.recording-player output { color: var(--muted); font: 11px ui-monospace, monospace; white-space: nowrap; }
.recording-player select { color: var(--ink); background: var(--input); border: 1px solid var(--line); border-radius: 4px; padding: 5px 2px; }
.recording-player [data-playing="false"] .pause-icon, .recording-player [data-playing="true"] .play-icon { display: none; }
.recording-cursor-toggle { position: relative; display: grid; place-items: center; width: 28px; height: 32px; flex: 0 0 28px; cursor: pointer; }
.recording-cursor-toggle input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.recording-cursor-toggle svg { width: 20px; height: 20px; fill: none; stroke: var(--muted); stroke-width: 2; }
.recording-cursor-toggle input:checked + svg { stroke: var(--accent); }
.recording-cursor-toggle input:focus-visible + svg { outline: 2px solid var(--accent); outline-offset: 3px; }
.recording-player button:focus-visible, .recording-player input:focus-visible, .recording-status:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.recording-player[hidden], .recording-status[hidden], .recording-launch[hidden], .is-playing-recording .appearance-panel,
.is-playing-recording .shortcut-hint, .is-playing-recording .canvas-hint, .is-playing-recording .toast { display: none; }

@media (max-width: 720px) {
  .recording-status { top: 128px; right: 16px; }
  .recording-player { padding: 8px; bottom: 16px; gap: 4px; }
  .recording-player output { font-size: 10px; }
}

@media (max-width: 360px) { .recording-player output { display: none; } }

.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;
}

.endpoint-handle.is-fixed-anchor {
  fill: var(--selection);
  stroke: var(--canvas);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.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-empty-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  margin-bottom: 8px;
  color: var(--ink);
  font: 17px/1 Georgia, "Times New Roman", serif;
}

.canvas-empty-brand .brand-mark {
  width: 30px;
  height: 30px;
  font-size: 17px;
}

.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 input {
  width: 100%;
  min-height: 39px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--input);
  color: var(--ink);
}

.share-dialog {
  width: min(560px, calc(100vw - 32px));
}

.share-dialog p {
  margin: 2px 0 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.share-url-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.share-url-row input {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 11px;
}

.share-dialog-actions {
  flex-wrap: wrap;
  gap: 8px;
}

.share-history {
  display: flex;
  max-height: 230px;
  flex-direction: column;
  gap: 7px;
  padding-top: 4px;
  border-top: 1px solid var(--line);
}

.share-history-heading,
.share-history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.share-history-heading strong {
  font-size: 12px;
}

.share-history-list {
  overflow-y: auto;
}

.share-history-item {
  width: 100%;
  padding: 8px 3px;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.share-history-item:hover,
.share-history-item:focus-visible {
  color: var(--accent);
}

.share-history-item span {
  overflow: hidden;
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.share-history-item time {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 10px;
}

.load-history {
  align-self: flex-start;
}

#copyShareLinkButton.is-copied {
  background: color-mix(in srgb, #3fa66b 20%, var(--subtle));
  color: var(--ink);
}

.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;
}

/* Classic diagram editor: compact Windows 2000-era application chrome. */
:root[data-theme="classic"] .topbar {
  top: 0;
  left: 0;
  right: 0;
  min-height: 48px;
  gap: 7px;
  padding: 5px 7px;
  border: 0;
  border-bottom: 1px solid #6f7479;
  border-radius: 0;
  background: var(--panel);
  box-shadow: inset 0 1px #ffffff, inset 0 -1px #a5a198, 0 2px 4px rgba(32, 38, 44, 0.2);
  backdrop-filter: none;
}

:root[data-theme="classic"] .brand {
  gap: 6px;
  padding: 0 9px 0 1px;
  font-family: Tahoma, Verdana, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

:root[data-theme="classic"] .brand-mark {
  width: 29px;
  height: 29px;
  border: 1px solid #063f73;
  border-radius: 2px;
  background: linear-gradient(135deg, #2f91d0, #075492 72%);
  box-shadow: inset 1px 1px rgba(255, 255, 255, 0.55), inset -1px -1px rgba(0, 24, 55, 0.34);
  color: #ffffff;
  font-size: 17px;
  transform: none;
}

:root[data-theme="classic"] .tool-group {
  gap: 2px;
  padding: 2px;
  border: 1px solid #8d8a84;
  border-radius: 1px;
  background: #d4d0c8;
  box-shadow: inset 1px 1px #ffffff, inset -1px -1px #aaa69d;
}

:root[data-theme="classic"] .tool-group.compact {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

:root[data-theme="classic"] .tool-button,
:root[data-theme="classic"] .icon-button,
:root[data-theme="classic"] .text-button,
:root[data-theme="classic"] .primary-button {
  min-height: 30px;
  border: 1px solid transparent;
  border-radius: 1px;
  color: #283441;
  font-size: 11px;
  font-weight: 400;
  transition: none;
}

:root[data-theme="classic"] .tool-button {
  height: 30px;
  padding: 0 8px;
}

:root[data-theme="classic"] .icon-button {
  width: 30px;
  height: 30px;
}

:root[data-theme="classic"] .text-button,
:root[data-theme="classic"] .primary-button {
  padding: 0 9px;
}

:root[data-theme="classic"] .tool-button:hover,
:root[data-theme="classic"] .icon-button:hover:not(:disabled),
:root[data-theme="classic"] .text-button:hover:not(:disabled) {
  border-color: #316ac5;
  background: #e7f1ff;
  color: #17202b;
  box-shadow: inset 1px 1px #ffffff;
}

:root[data-theme="classic"] .tool-button.is-active {
  border-color: #316ac5;
  background: #c6dcf6;
  color: #10233a;
  box-shadow: inset 1px 1px #8aa9cb, inset -1px -1px #ffffff;
}

:root[data-theme="classic"] .primary-button {
  border-color: #06457a;
  background: linear-gradient(#2b83c4, #0a64ad);
  color: #ffffff;
  box-shadow: inset 1px 1px rgba(255, 255, 255, 0.45);
}

:root[data-theme="classic"] .primary-button:hover {
  background: linear-gradient(#3c91cc, #075492);
  transform: none;
}

:root[data-theme="classic"] .more-menu-popover,
:root[data-theme="classic"] .annotation-tooltip,
:root[data-theme="classic"] .selection-mode-badge,
:root[data-theme="classic"] .emoji-autocomplete,
:root[data-theme="classic"] .toast,
:root[data-theme="classic"] .dialog {
  border: 1px solid #6f7479;
  border-radius: 1px;
  background: var(--panel-strong);
  box-shadow: 2px 2px 0 rgba(255, 255, 255, 0.9), 4px 4px 10px var(--shadow);
}

:root[data-theme="classic"] .more-menu-popover {
  top: calc(100% + 4px);
  gap: 0;
  padding: 3px;
}

:root[data-theme="classic"] .menu-item,
:root[data-theme="classic"] .emoji-option {
  border-radius: 0;
  font-weight: 400;
}

:root[data-theme="classic"] .menu-item:hover:not(:disabled),
:root[data-theme="classic"] .menu-item:focus-visible,
:root[data-theme="classic"] .emoji-option:hover,
:root[data-theme="classic"] .emoji-option.is-active {
  background: #0a64ad;
  color: #ffffff;
}

:root[data-theme="classic"] .appearance-panel {
  left: 8px;
  bottom: 8px;
  min-height: 38px;
  gap: 7px;
  padding: 4px 6px;
  border: 1px solid #797b7d;
  border-radius: 1px;
  background: var(--panel);
  box-shadow: inset 1px 1px #ffffff, inset -1px -1px #aaa69d, 2px 2px 5px var(--shadow);
  backdrop-filter: none;
}

:root[data-theme="classic"] .theme-control {
  gap: 5px;
  color: #343b43;
  font-size: 10px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

:root[data-theme="classic"] .theme-control select,
:root[data-theme="classic"] .dialog textarea {
  border: 1px solid #7f9db9;
  border-radius: 0;
  outline: 0;
  background: #ffffff;
  box-shadow: inset 1px 1px 2px rgba(25, 43, 62, 0.18);
  font-family: Tahoma, Verdana, sans-serif;
}

:root[data-theme="classic"] .color-swatch {
  border-width: 2px;
  border-color: #d4d0c8;
  border-radius: 1px;
}

:root[data-theme="classic"] .color-swatch:hover,
:root[data-theme="classic"] .color-swatch.is-active {
  outline-color: #0054a6;
  outline-offset: 1px;
  transform: none;
}

:root[data-theme="classic"] .inline-text-editor {
  border: 1px solid #0054a6;
  border-radius: 0;
  background: #ffffff;
  box-shadow: 1px 1px 0 #ffffff, 3px 3px 8px var(--shadow);
}

:root[data-theme="classic"] .canvas-hint strong,
:root[data-theme="classic"] .dialog h2 {
  font-family: Tahoma, Verdana, sans-serif;
  font-weight: 700;
  letter-spacing: 0;
}

:root[data-theme="classic"] .canvas-hint strong {
  font-size: 22px;
}

:root[data-theme="classic"] .dialog h2 {
  font-size: 18px;
}

:root[data-theme="classic"] kbd {
  border-radius: 1px;
  background: #ece9d8;
  box-shadow: inset 1px 1px #ffffff, inset -1px -1px #9d9a92;
}

:root[data-theme="classic"] .diagram-object:hover .diagram-shape,
:root[data-theme="classic"] .diagram-object:hover .connector-line,
:root[data-theme="classic"] .diagram-object:hover .connector-arrow,
:root[data-theme="classic"] .diagram-object:hover .freehand-line,
:root[data-theme="classic"] .diagram-object.is-selected .diagram-shape,
:root[data-theme="classic"] .diagram-object.is-selected .connector-line,
:root[data-theme="classic"] .diagram-object.is-selected .connector-arrow,
:root[data-theme="classic"] .diagram-object.is-selected .freehand-line {
  filter: none;
}

/* Graphite studio: restrained macOS drawing-tool surfaces and controls. */
:root[data-theme="graphite"] .topbar {
  top: 8px;
  left: 12px;
  right: 12px;
  min-height: 50px;
  gap: 9px;
  padding: 6px;
  border: 1px solid #aeb2b8;
  border-radius: 9px;
  background: linear-gradient(rgba(250, 250, 251, 0.98), rgba(222, 224, 227, 0.98));
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.95), 0 4px 14px rgba(42, 47, 54, 0.2);
  backdrop-filter: none;
}

:root[data-theme="graphite"] .brand {
  gap: 7px;
  padding: 0 11px 0 2px;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

:root[data-theme="graphite"] .brand-mark {
  width: 30px;
  height: 30px;
  border: 1px solid #075b9f;
  border-radius: 7px;
  background: linear-gradient(#42a5ee, #1476bd);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.55), 0 1px 2px rgba(33, 41, 51, 0.25);
  color: #ffffff;
  font-size: 17px;
  transform: none;
}

:root[data-theme="graphite"] .tool-group {
  gap: 2px;
  padding: 2px;
  border: 1px solid rgba(113, 119, 127, 0.3);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.38);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.72);
}

:root[data-theme="graphite"] .tool-group.compact {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

:root[data-theme="graphite"] .tool-button,
:root[data-theme="graphite"] .icon-button,
:root[data-theme="graphite"] .text-button,
:root[data-theme="graphite"] .primary-button {
  border: 1px solid transparent;
  border-radius: 5px;
  color: #555b62;
  font-size: 11px;
  font-weight: 500;
  transition: background 100ms ease, border-color 100ms ease, color 100ms ease;
}

:root[data-theme="graphite"] .tool-button:hover,
:root[data-theme="graphite"] .icon-button:hover:not(:disabled),
:root[data-theme="graphite"] .text-button:hover:not(:disabled) {
  border-color: rgba(104, 110, 117, 0.42);
  background: rgba(255, 255, 255, 0.72);
  color: #25282c;
}

:root[data-theme="graphite"] .tool-button.is-active {
  border-color: #9ba0a6;
  background: linear-gradient(#ffffff, #dfe3e7);
  color: #1f252b;
  box-shadow: inset 0 1px #ffffff, 0 1px 2px rgba(42, 47, 54, 0.18);
}

:root[data-theme="graphite"] .primary-button {
  border-color: #0d5e9f;
  background: linear-gradient(#3b9be0, #1676c8);
  color: #ffffff;
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.36), 0 1px 2px rgba(30, 64, 92, 0.24);
}

:root[data-theme="graphite"] .primary-button:hover {
  background: linear-gradient(#45a5e8, #0d69b5);
  transform: none;
}

:root[data-theme="graphite"] .more-menu-popover,
:root[data-theme="graphite"] .annotation-tooltip,
:root[data-theme="graphite"] .selection-mode-badge,
:root[data-theme="graphite"] .emoji-autocomplete,
:root[data-theme="graphite"] .toast,
:root[data-theme="graphite"] .dialog {
  border-color: #b0b4ba;
  border-radius: 8px;
  background: rgba(247, 247, 248, 0.98);
  box-shadow: 0 10px 30px rgba(42, 47, 54, 0.22), inset 0 1px #ffffff;
  backdrop-filter: none;
}

:root[data-theme="graphite"] .menu-item,
:root[data-theme="graphite"] .emoji-option {
  border-radius: 5px;
  font-weight: 500;
}

:root[data-theme="graphite"] .appearance-panel {
  left: 12px;
  bottom: 10px;
  min-height: 40px;
  padding: 5px 8px;
  border-color: #afb3b8;
  border-radius: 8px;
  background: linear-gradient(rgba(249, 249, 250, 0.97), rgba(224, 226, 229, 0.97));
  box-shadow: inset 0 1px #ffffff, 0 4px 14px rgba(42, 47, 54, 0.18);
  backdrop-filter: none;
}

:root[data-theme="graphite"] .theme-control {
  color: #5e646b;
  font-weight: 600;
  letter-spacing: 0.04em;
}

:root[data-theme="graphite"] .theme-control select,
:root[data-theme="graphite"] .dialog textarea {
  border: 1px solid #aeb3b9;
  border-radius: 5px;
  outline: 0;
  background: linear-gradient(#ffffff, #f4f5f6);
  box-shadow: inset 0 1px 2px rgba(45, 51, 58, 0.08), 0 1px #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="graphite"] .color-swatch {
  border-color: #eef0f2;
  box-shadow: 0 1px 2px rgba(42, 47, 54, 0.22);
}

:root[data-theme="graphite"] .inline-text-editor {
  border: 1px solid #087ff5;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 0 0 3px rgba(8, 127, 245, 0.15), 0 6px 18px rgba(42, 47, 54, 0.2);
}

:root[data-theme="graphite"] .canvas-hint strong,
:root[data-theme="graphite"] .dialog h2 {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 500;
  letter-spacing: -0.02em;
}

:root[data-theme="graphite"] .canvas-hint strong {
  font-size: 23px;
}

:root[data-theme="graphite"] .dialog h2 {
  font-size: 21px;
}

/* Workbench: practical GNOME 2 / GTK diagramming-tool treatment. */
:root[data-theme="workbench"] .topbar {
  top: 0;
  left: 0;
  right: 0;
  min-height: 50px;
  gap: 7px;
  padding: 6px 8px;
  border: 0;
  border-bottom: 1px solid #888a85;
  border-radius: 0;
  background: linear-gradient(#eeeeec, #d3d7cf);
  box-shadow: inset 0 1px #ffffff, 0 2px 5px rgba(46, 52, 54, 0.2);
  backdrop-filter: none;
}

:root[data-theme="workbench"] .brand {
  gap: 7px;
  padding: 0 10px 0 1px;
  font-family: "DejaVu Sans", "Liberation Sans", Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

:root[data-theme="workbench"] .brand-mark {
  width: 30px;
  height: 30px;
  border: 1px solid #204a87;
  border-radius: 3px;
  background: linear-gradient(#729fcf, #3465a4);
  box-shadow: inset 1px 1px rgba(255, 255, 255, 0.55);
  color: #ffffff;
  font-size: 17px;
  transform: none;
}

:root[data-theme="workbench"] .tool-group {
  gap: 3px;
  padding: 2px 4px;
  border: 0;
  border-right: 1px solid #babdb6;
  border-radius: 0;
  background: transparent;
  box-shadow: 1px 0 #ffffff;
}

:root[data-theme="workbench"] .tool-group.compact {
  border-right: 1px solid #babdb6;
  box-shadow: 1px 0 #ffffff;
}

:root[data-theme="workbench"] .tool-button,
:root[data-theme="workbench"] .icon-button,
:root[data-theme="workbench"] .text-button,
:root[data-theme="workbench"] .primary-button {
  min-height: 31px;
  border: 1px solid #a3a69f;
  border-radius: 3px;
  background: linear-gradient(#f7f7f5, #d4d6d1);
  color: #303532;
  font-size: 11px;
  font-weight: 400;
  box-shadow: inset 0 1px #ffffff;
  transition: none;
}

:root[data-theme="workbench"] .tool-button {
  height: 31px;
  padding: 0 8px;
}

:root[data-theme="workbench"] .icon-button {
  width: 31px;
  height: 31px;
}

:root[data-theme="workbench"] .tool-button:hover,
:root[data-theme="workbench"] .icon-button:hover:not(:disabled),
:root[data-theme="workbench"] .text-button:hover:not(:disabled) {
  border-color: #729fcf;
  background: linear-gradient(#ffffff, #e3e7e1);
  color: #202321;
}

:root[data-theme="workbench"] .tool-button.is-active {
  border-color: #3465a4;
  background: #c6d9ed;
  color: #18395f;
  box-shadow: inset 1px 1px 2px rgba(32, 74, 135, 0.28);
}

:root[data-theme="workbench"] .primary-button {
  border-color: #204a87;
  background: linear-gradient(#729fcf, #3465a4);
  color: #ffffff;
}

:root[data-theme="workbench"] .primary-button:hover {
  background: linear-gradient(#83add8, #285990);
  transform: none;
}

:root[data-theme="workbench"] .more-menu-popover,
:root[data-theme="workbench"] .annotation-tooltip,
:root[data-theme="workbench"] .selection-mode-badge,
:root[data-theme="workbench"] .emoji-autocomplete,
:root[data-theme="workbench"] .toast,
:root[data-theme="workbench"] .dialog {
  border: 1px solid #888a85;
  border-radius: 3px;
  background: #eeeeec;
  box-shadow: 0 5px 16px rgba(46, 52, 54, 0.28), inset 0 1px #ffffff;
  backdrop-filter: none;
}

:root[data-theme="workbench"] .more-menu-popover {
  top: calc(100% + 3px);
  gap: 1px;
  padding: 3px;
}

:root[data-theme="workbench"] .menu-item,
:root[data-theme="workbench"] .emoji-option {
  border-radius: 2px;
  font-weight: 400;
}

:root[data-theme="workbench"] .menu-item:hover:not(:disabled),
:root[data-theme="workbench"] .menu-item:focus-visible,
:root[data-theme="workbench"] .emoji-option:hover,
:root[data-theme="workbench"] .emoji-option.is-active {
  background: #3465a4;
  color: #ffffff;
}

:root[data-theme="workbench"] .appearance-panel {
  left: 8px;
  bottom: 8px;
  min-height: 40px;
  gap: 8px;
  padding: 5px 7px;
  border: 1px solid #888a85;
  border-radius: 3px;
  background: linear-gradient(#eeeeec, #d9dad7);
  box-shadow: inset 0 1px #ffffff, 0 3px 9px rgba(46, 52, 54, 0.22);
  backdrop-filter: none;
}

:root[data-theme="workbench"] .theme-control {
  color: #454a47;
  font-size: 10px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

:root[data-theme="workbench"] .theme-control select,
:root[data-theme="workbench"] .dialog textarea {
  border: 1px solid #888a85;
  border-radius: 2px;
  outline: 0;
  background: #ffffff;
  box-shadow: inset 1px 1px 2px rgba(46, 52, 54, 0.16);
  font-family: "DejaVu Sans", "Liberation Sans", Arial, sans-serif;
}

:root[data-theme="workbench"] .color-swatch {
  border-width: 2px;
  border-color: #eeeeec;
  border-radius: 3px;
}

:root[data-theme="workbench"] .color-swatch:hover,
:root[data-theme="workbench"] .color-swatch.is-active {
  outline-color: #3465a4;
  outline-offset: 1px;
  transform: none;
}

:root[data-theme="workbench"] .inline-text-editor {
  border: 1px solid #3465a4;
  border-radius: 2px;
  background: #ffffff;
  box-shadow: 0 0 0 2px rgba(52, 101, 164, 0.16), 0 4px 12px rgba(46, 52, 54, 0.22);
}

:root[data-theme="workbench"] .canvas-hint strong,
:root[data-theme="workbench"] .dialog h2 {
  font-family: "DejaVu Sans", "Liberation Sans", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: 0;
}

:root[data-theme="workbench"] .canvas-hint strong {
  font-size: 21px;
}

:root[data-theme="workbench"] .dialog h2 {
  font-size: 19px;
}

:root[data-theme="workbench"] kbd {
  border-radius: 2px;
  background: linear-gradient(#ffffff, #d3d7cf);
  box-shadow: 0 1px 1px rgba(46, 52, 54, 0.24);
}

:root[data-theme="workbench"] .diagram-object:hover .diagram-shape,
:root[data-theme="workbench"] .diagram-object:hover .connector-line,
:root[data-theme="workbench"] .diagram-object:hover .connector-arrow,
:root[data-theme="workbench"] .diagram-object:hover .freehand-line,
:root[data-theme="workbench"] .diagram-object.is-selected .diagram-shape,
:root[data-theme="workbench"] .diagram-object.is-selected .connector-line,
:root[data-theme="workbench"] .diagram-object.is-selected .connector-arrow,
:root[data-theme="workbench"] .diagram-object.is-selected .freehand-line {
  filter: none;
}

#selectionGlow feDropShadow {
  flood-color: var(--selection);
}

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

@media (max-width: 1100px) {
  .brand > span:last-child,
  .tool-button span,
  .contextual-action,
  .zoom-value {
    display: none;
  }

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

  .follow-label {
    display: none;
  }

  .topbar {
    gap: 5px;
  }

  .document-menu-button {
    max-width: 150px;
  }

  .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: 720px) {
  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .document-actions {
    grid-column: 2;
    grid-row: 2;
  }

  .topbar-left {
    grid-column: 1 / -1;
    grid-row: 1;
    justify-content: center;
  }

  .topbar-center {
    grid-column: 1;
    grid-row: 2;
    justify-content: flex-start;
  }

  .document-menu {
    flex: 1;
  }

  .document-menu-button {
    width: 100%;
    max-width: calc(100vw - 215px);
  }

  .document-menu-popover {
    left: auto;
    right: 0;
  }

  .share-dialog-actions .dialog-spacer {
    display: none;
  }

  :root[data-theme="classic"] .topbar,
  :root[data-theme="workbench"] .topbar {
    gap: 4px;
    padding: 4px 5px;
  }

  :root[data-theme="graphite"] .topbar {
    top: 4px;
    left: 4px;
    right: 4px;
    gap: 4px;
    padding: 4px;
  }

  :root[data-theme="classic"] .tool-button,
  :root[data-theme="workbench"] .tool-button,
  :root[data-theme="graphite"] .tool-button {
    padding: 0;
  }

  :root[data-theme="classic"] .appearance-panel,
  :root[data-theme="workbench"] .appearance-panel,
  :root[data-theme="graphite"] .appearance-panel {
    left: 6px;
    bottom: 6px;
    max-width: calc(100vw - 12px);
  }

  :root[data-theme="classic"] .shortcut-hint,
  :root[data-theme="workbench"] .shortcut-hint,
  :root[data-theme="graphite"] .shortcut-hint {
    display: none;
  }
}

@media (pointer: coarse) {
  .canvas-hint .touch-hint {
    display: block;
    margin-top: 12px;
  }

  .shortcut-hint {
    display: none;
  }
}