:root {
  /* zaid.design palette */
  --bar: #e7eff0;
  --bar-2: #ffffff;
  --bar-3: #dae4e6;
  --bar-ink: #2a3435;
  --accent: #1b6970;
  --accent-2: #005b63;
  --accent-soft: #cde7eb;
  --accent-container: #a8eef7;
  --gold: #406280;
  --gold-soft: #b8dbfe;
  --accent-ink: #e9fdff;
  --deep: #0e1415;
  --deep-2: #192122;
  --deep-ink: #dde7e9;
  --font: "Google Sans Flex", "GSF Text", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --panel: #f6fafa;
  --panel-2: #ffffff;
  --line: #dae4e6;
  --ink: #2a3435;
  --muted: #566162;
  --danger: #d63b3b;
  --sel: #2f7bff;
  --shadow: 0 8px 28px rgba(15, 20, 40, .18), 0 1px 3px rgba(15, 20, 40, .12);
  --radius: 14px;
  --top: 44px;
  --foot: 30px;
  --panels-w: 268px;

  /* canvas, set per view */
  --canvas-bg: #c8c9ce;
  --grid-ink: rgba(0, 0, 0, .35);
  --preview-bg: #ffffff;
  --kufi: rgba(20, 30, 60, .07);
}

body[data-view="plain"]      { --canvas-bg: #ffffff; --grid-ink: transparent;          --preview-bg: #ffffff; }
body[data-view="grid"]       { --canvas-bg: #ffffff; --grid-ink: rgba(40, 60, 120, .18); --preview-bg: #ffffff; }
body[data-view="matrix"]     { --canvas-bg: #ffffff; --grid-ink: rgba(0, 0, 0, .35);   --preview-bg: #ffffff; }
body[data-view="gray"]       { --canvas-bg: #c8c9ce; --grid-ink: rgba(0, 0, 0, .35);   --preview-bg: #ffffff; }
body[data-view^="dark"] { --kufi: rgba(255, 255, 255, .06); }
body[data-view="gray"] { --kufi: rgba(20, 30, 60, .09); }
body[data-view="dark"]       { --canvas-bg: #17181d; --grid-ink: transparent;          --preview-bg: #17181d; }
body[data-view="darkgrid"]   { --canvas-bg: #17181d; --grid-ink: rgba(255, 255, 255, .12); --preview-bg: #17181d; }
body[data-view="darkmatrix"] { --canvas-bg: #17181d; --grid-ink: rgba(255, 255, 255, .35); --preview-bg: #17181d; }

* { box-sizing: border-box; }
body[data-mode="beginner"] .pro-only,
body[data-mode="pro"] .beginner-only { display: none !important; }
html, body { margin: 0; height: 100%; overflow: hidden; }
body {
  font: 13px/1.4 var(--font);
  color: var(--ink);
  background: var(--canvas-bg);
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
button { font: inherit; color: inherit; cursor: pointer; }
kbd {
  font: 11px ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--muted);
  margin-left: auto;
  padding-left: 16px;
}

/* ---------- Top bar ---------- */
#topbar {
  position: fixed; inset: 0 0 auto 0; height: var(--top);
  display: flex; align-items: center; gap: 6px; padding: 0 10px;
  background: var(--bar); color: var(--bar-ink);
  z-index: 30;
  border-bottom: 1px solid var(--line);
}
.logo {
  width: 32px; height: 32px; border: 0; border-radius: 10px; padding: 0;
  background: none; color: var(--accent); display: grid; place-items: center;
}
.logo svg { width: 26px; height: 26px; display: block; }
.brand { font-weight: 700; margin: 0 6px 0 2px; white-space: nowrap; letter-spacing: .06em; text-transform: uppercase; font-size: 13px; }
.brand b { color: var(--accent); font-weight: 700; }
.mode-toggle {
  display: inline-flex; gap: 3px; margin-right: 4px;
}
/* Segmented pills like the site's Product / Brand switch: filled when active, outlined otherwise. */
.mode-toggle button {
  height: 30px; padding: 0 13px; border: 1.5px solid var(--accent); background: transparent;
  color: var(--accent-2); font-size: 11.5px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase;
}
.mode-toggle button:first-child { border-radius: 22px 8px 8px 22px; }
.mode-toggle button:last-child { border-radius: 8px 22px 22px 8px; }
.mode-toggle button:hover { background: var(--accent-soft); }
.mode-toggle button.active { background: var(--accent); color: var(--accent-ink); }
.tb {
  height: 32px; padding: 0 14px; border-radius: 22px; border: 1px solid var(--line);
  background: var(--bar-2); color: var(--accent-2); white-space: nowrap; font-weight: 600;
}
.tb:hover { background: var(--bar-3); }
.tb.primary {
  background: var(--accent); border-color: var(--accent); color: var(--accent-ink);
  text-transform: uppercase; letter-spacing: .06em; font-size: 12px; font-weight: 650;
}
.tb.primary:hover { background: var(--accent-2); }
.tb.icon { width: 32px; padding: 0; font-size: 16px; }
.spacer { flex: 1; }
.t-short { display: none; }
.t-short svg { width: 18px; height: 18px; display: block; }
.project-name {
  flex: 0 1 280px; min-width: 80px; width: auto; border-radius: 22px !important; height: 30px; text-align: center; font: inherit; font-weight: 600;
  color: var(--bar-ink); background: transparent; border: 1px solid transparent; border-radius: 6px; padding: 0 10px;
  -webkit-user-select: text; user-select: text;
}
.project-name:hover { border-color: var(--bar-3); }
.project-name:focus { outline: none; background: var(--bar-2); border-color: var(--accent); }

.menu-wrap { position: relative; }
.menu {
  position: absolute; top: 38px; left: 0;
  display: grid; grid-template-columns: repeat(3, minmax(200px, 1fr)); gap: 4px;
  background: var(--panel-2); color: var(--ink);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 8px;
  z-index: 40;
}
.menu[hidden] { display: none; }
.menu h6 { margin: 4px 8px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.menu button {
  display: flex; width: 100%; align-items: center; text-align: left;
  border: 0; background: none; padding: 6px 8px; border-radius: 5px;
}
.menu button:hover { background: var(--accent-soft); }
.menu button.on::before { content: "✓"; margin-right: 6px; color: var(--accent); }
.menu button.danger { color: var(--danger); }
.menu hr { border: 0; border-top: 1px solid var(--line); margin: 5px 4px; }

/* ---------- Canvas ---------- */
#stage { position: fixed; inset: var(--top) 0 var(--foot) 0; }
#canvas { display: block; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
#bg { fill: var(--canvas-bg); }
#grid-lines { stroke: var(--grid-ink); stroke-width: 1; }
#grid-dot { fill: var(--grid-ink); }
#kufi-cell { fill: var(--kufi); }
#layer-ruler text { font: 10px system-ui, -apple-system, sans-serif; pointer-events: none; }
#marquee { fill: rgba(47, 123, 255, .08); stroke: var(--sel); stroke-width: 1; stroke-dasharray: 4 3; }
body[data-active-tool="select"] #canvas { cursor: default; }
body[data-active-tool="erase"] #canvas { cursor: cell; }
body.panning #canvas, body.space #canvas { cursor: grab; }

/* ---------- Toolbox ---------- */
#toolbox {
  position: fixed; left: 14px; top: calc(var(--top) + 14px);
  width: 44px; padding: 0 4px 6px;
  max-height: calc(100vh - var(--top) - var(--foot) - 28px); overflow-y: auto; scrollbar-width: none;
  background: var(--panel-2); border-radius: var(--radius); box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  z-index: 20;
}
body[data-mode="beginner"] #toolbox { width: 58px; }
.tool-label { display: none; }
body[data-mode="beginner"] .tool { width: 50px; height: 46px; grid-template-rows: 22px auto; gap: 1px; padding-top: 4px; }
body[data-mode="beginner"] .tool-label { display: block; font-size: 10px; line-height: 1; }
#toolbox .handle { width: calc(100% + 8px); height: 10px; background: var(--bar-2); border-radius: var(--radius) var(--radius) 0 0; cursor: move; margin-bottom: 4px; touch-action: none; }
.tool {
  width: 36px; height: 34px; border: 0; border-radius: 6px; background: none; color: #444a5c;
  display: grid; place-items: center;
}
.tool svg { width: 20px; height: 20px; }
.tool:hover { background: var(--accent-soft); }
.tool.active { background: var(--accent); color: #fff; }
.tool.on { color: var(--accent); background: var(--accent-soft); }
.sep { width: 26px; height: 1px; background: var(--line); margin: 3px 0; }
.quick {
  width: 26px; height: 26px; margin: 3px 0; border-radius: 5px;
  border: 2px solid #fff; box-shadow: 0 0 0 1px var(--line);
}
.quick.active { box-shadow: 0 0 0 2px var(--accent); }

/* ---------- Panels ---------- */
#panels {
  position: fixed; top: var(--top); right: 0; bottom: var(--foot); width: var(--panels-w);
  background: var(--panel); border-left: 1px solid var(--line);
  display: flex; flex-direction: column; z-index: 15;
}
.tabs { display: flex; gap: 2px; padding: 8px 10px 0; border-bottom: 1px solid var(--line); flex: none; }
.tabs button {
  flex: 1; border: 0; background: none; padding: 8px 6px 9px; font-weight: 600; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs button.active { color: var(--ink); border-bottom-color: var(--accent); }
.badge { display: inline-block; min-width: 17px; padding: 0 5px; border-radius: 9px; background: var(--danger); color: #fff; font-size: 10px; line-height: 17px; }
.badge[hidden] { display: none; }
.tab-scroll { flex: 1; overflow-y: auto; min-height: 0; }
.panel-preview { flex: none; padding: 10px 14px 12px; border-top: 1px solid var(--line); background: var(--panel); }
.panel-preview #preview-box { aspect-ratio: auto; height: 132px; }

.styles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.styles button {
  border: 1px solid var(--line); border-radius: 7px; background: var(--panel-2); padding: 6px 4px 4px;
  display: grid; justify-items: center; gap: 2px; color: #232838; font-size: 11px;
}
.styles button svg { width: 100%; height: 46px; }
.styles button.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(14, 143, 111, .25); color: var(--accent); }
.effects { display: grid; gap: 4px; margin-bottom: 8px; }
.effect { display: grid; grid-template-columns: 104px 1fr 40px; align-items: center; gap: 6px; font-size: 12px; color: #3a4052; }
.effect input { width: 100%; accent-color: var(--accent); }
.effect output { text-align: right; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 11px; }
.effect-colors { display: grid; gap: 6px; }
.effect-colors label { display: flex; align-items: center; gap: 8px; font-size: 12px; color: #3a4052; }
.effect-colors input { width: 34px; height: 24px; padding: 0; border: 1px solid var(--line); border-radius: 5px; background: none; }

.rules { display: grid; gap: 4px; }
.rule {
  display: grid; grid-template-columns: 20px 1fr auto; align-items: center; gap: 6px; text-align: left;
  border: 1px solid var(--line); background: var(--panel-2); border-radius: 6px; padding: 6px 8px; font-size: 12px;
}
.rule .mark { width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center; font-size: 11px; font-weight: 700; color: #fff; }
.rule.ok { color: #2d5c47; }
.rule.ok .mark { background: #1aa36b; }
.rule.bad { color: #8a2a2a; border-color: #f2c4c4; background: #fff6f6; }
.rule.bad .mark { background: var(--danger); }
.rule b { font-size: 11px; background: #fbdede; border-radius: 9px; padding: 0 6px; }
.stats { display: grid; gap: 2px; font-size: 12px; }
.stat { display: flex; justify-content: space-between; padding: 3px 0; border-bottom: 1px solid #eceef3; color: #4a5064; }
.stat b { font-weight: 600; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat.warn b { color: var(--danger); }
.stat i { font-style: normal; font-size: 10px; padding: 1px 6px; border-radius: 8px; margin-left: 4px; color: #fff; }
.stat i.ok { background: #1aa36b; }
.stat i.warn { background: #f08c00; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-top: 8px; }
.stat-grid div { background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 5px; text-align: center; }
.stat-grid b { display: block; font-size: 15px; }
.stat-grid span { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.checklist { display: grid; gap: 6px; }
.checklist .check { margin: 0; color: #3a4052; }

.popover {
  position: fixed; z-index: 35; width: 220px; padding: 8px;
  background: var(--panel-2); border-radius: var(--radius); box-shadow: var(--shadow);
}
.popover[hidden] { display: none; }
.popover h6 { margin: 2px 6px 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.popover button { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 6px 8px; border-radius: 5px; }
.popover button:hover { background: var(--accent-soft); }
.popover button.on { color: var(--accent); font-weight: 600; }
.popover button.on::before { content: "● "; }
.popover hr { border: 0; border-top: 1px solid var(--line); margin: 5px 4px; }
body.no-panels #panels { display: none; }
#panels details { border-bottom: 1px solid var(--line); }
#panels summary {
  list-style: none; padding: 10px 14px; font-weight: 650; cursor: pointer;
  display: flex; justify-content: space-between;
}
#panels summary::-webkit-details-marker { display: none; }
#panels summary::after { content: "▾"; color: var(--muted); }
#panels details:not([open]) summary::after { content: "▸"; }
.panel-body { padding: 0 14px 14px; }

.color-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.color-current {
  width: 34px; height: 34px; border-radius: 6px; overflow: hidden; flex: none;
  background: repeating-conic-gradient(#ddd 0 25%, #fff 0 50%) 0 0 / 10px 10px;
  box-shadow: inset 0 0 0 1px var(--line);
}
.color-current span { display: block; width: 100%; height: 100%; }
#color-text { flex: 1; font-size: 11px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.slider { display: grid; grid-template-columns: 14px 1fr 34px; align-items: center; gap: 6px; font-size: 11px; color: var(--muted); }
.slider input { width: 100%; accent-color: var(--accent); }
.slider output { text-align: right; font-variant-numeric: tabular-nums; }
.palette { display: grid; grid-template-columns: repeat(12, 1fr); gap: 3px; margin-top: 10px; }
.palette button { aspect-ratio: 1; border: 0; border-radius: 3px; padding: 0; box-shadow: inset 0 0 0 1px rgba(0, 0, 0, .1); }
.palette button:hover { transform: scale(1.18); position: relative; z-index: 1; }
.palette.custom:empty::before { content: attr(data-empty); grid-column: 1 / -1; font-size: 11px; color: var(--muted); }

.small {
  border: 1px solid var(--line); background: var(--panel-2); border-radius: 5px;
  padding: 4px 8px; font-size: 12px; white-space: nowrap;
}
.small:hover { border-color: #b9bfcf; }

.shapes { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.shapes button {
  aspect-ratio: 1; border: 1px solid var(--line); border-radius: 6px; background: var(--panel-2);
  display: grid; place-items: center; padding: 6px;
}
.shapes button svg { width: 100%; height: 100%; }
.shapes button.active { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(14, 143, 111, .25); }
.shape-meta { display: flex; align-items: center; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.hint { font-size: 11px; color: var(--muted); }

.steppers { display: grid; gap: 8px; }
.stepper { display: grid; grid-template-columns: 1fr 26px 52px 26px; align-items: center; gap: 4px; }
.stepper button { height: 26px; border: 1px solid var(--line); border-radius: 5px; background: var(--panel-2); font-size: 15px; line-height: 1; }
.stepper output { text-align: center; font-variant-numeric: tabular-nums; }
.check { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--muted); margin-top: 4px; }
.check input { accent-color: var(--accent); }
.panel-body > .check + .check { margin-top: 8px; }

#preview-box {
  display: block; width: 100%; padding: 0; border: 1px solid var(--line);
  border-radius: 6px; background: var(--preview-bg); overflow: hidden; cursor: zoom-in;
}
#preview, #preview-large { width: 100%; height: 100%; display: block; }
.preview-actions { display: flex; gap: 6px; margin-top: 8px; }

/* ---------- Status bar ---------- */
#statusbar {
  position: fixed; inset: auto 0 0 0; height: var(--foot);
  display: flex; align-items: center; gap: 4px; padding: 0 8px;
  background: var(--panel); border-top: 1px solid var(--line);
  font-size: 12px; color: var(--muted); z-index: 15;
}
.sb { height: 22px; min-width: 24px; border: 0; border-radius: 4px; background: none; padding: 0 6px; color: var(--ink); }
.sb:hover { background: #e7eaf2; }
#zoom-label { min-width: 52px; font-variant-numeric: tabular-nums; }
#status-pos { margin-left: 10px; font-variant-numeric: tabular-nums; }
#status-count { margin-left: auto; }
.rule-summary { margin-left: 10px; font-weight: 600; padding: 0 9px; border-radius: 11px; }
.rule-summary.ok { color: #12734f; background: #dcf2e7; }
.rule-summary.bad { color: #9b2c2c; background: #fbe3e3; }

.coach {
  position: fixed; left: 86px; bottom: calc(var(--foot) + 16px); z-index: 25; width: min(320px, calc(100vw - 32px));
  background: var(--deep-2); color: var(--deep-ink); border-radius: 18px; box-shadow: var(--shadow); padding: 14px 16px 12px;
}
.coach[hidden] { display: none; }
.coach-top { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: rgba(232, 241, 238, .65); }
.coach h3 { margin: 6px 0 4px; font-size: 15px; color: #fff; }
.coach p { margin: 0 0 12px; font-size: 13px; line-height: 1.45; color: rgba(232, 241, 238, .88); }
.coach-actions { display: flex; justify-content: flex-end; gap: 6px; }
.coach .small { background: transparent; border-color: #3f4a4b; color: var(--deep-ink); border-radius: 22px; }
.coach .small.primary { background: var(--accent-container); border-color: var(--accent-container); color: var(--accent-2); font-weight: 650; text-transform: uppercase; letter-spacing: .06em; }
.coach .small[hidden] { display: none; }
.link { border: 0; background: none; padding: 0; color: inherit; text-decoration: underline; font-size: 11px; }
.coach-target { position: relative; z-index: 1; animation: coach-pulse 1.6s ease-in-out infinite; border-radius: 6px; }
@keyframes coach-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 160, 60, .0); }
  50% { box-shadow: 0 0 0 4px rgba(27, 105, 112, .55); }
}

.welcome { text-align: center; width: min(600px, 100%); padding: 28px; }
.welcome-logo { width: 64px; height: 64px; margin: 0 auto 12px; border-radius: 20px; background: var(--accent-container); color: var(--accent); display: grid; place-items: center; }
.welcome-logo svg { width: 40px; height: 40px; display: block; }
.modal h2 { font-weight: 750; letter-spacing: -.01em; }
.mode-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 18px; text-align: left; }
.mode-cards button, .export-grid button {
  display: grid; gap: 6px; align-content: start; padding: 16px; border-radius: 10px;
  border: 1.5px solid var(--line); background: var(--panel-2);
}
.mode-cards button:hover, .export-grid button:hover { border-color: var(--accent); background: var(--accent-soft); }
.mode-cards b, .export-grid b { font-size: 16px; }
.mode-cards span, .export-grid span { color: var(--muted); font-size: 13px; line-height: 1.4; }
.mode-cards button[data-action="pickMode:pro"] b { color: var(--gold); }
.export-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 12px 0 14px; }

/* ---------- Hidden UI mode ---------- */
body.ui-hidden #topbar, body.ui-hidden #panels, body.ui-hidden #statusbar, body.ui-hidden #toolbox { display: none; }
body.ui-hidden #stage { inset: 0; }

/* ---------- Overlays ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  background: var(--preview-bg);
  display: grid; place-items: center;
}
.overlay[hidden] { display: none; }
#overlay-preview { padding: 6vmin; }
.modal-wrap { background: rgba(15, 18, 30, .45); padding: 16px; }
.modal {
  position: relative; width: min(560px, 100%); max-height: 86vh; overflow: auto;
  background: var(--panel-2); border-radius: 12px; box-shadow: var(--shadow); padding: 22px 24px;
  -webkit-user-select: text; user-select: text;
}
.modal h2 { margin: 0 0 12px; font-size: 18px; }
.modal p, .modal li { color: #3a4052; }
.close {
  position: absolute; top: 10px; right: 12px; width: 32px; height: 32px; border: 0; border-radius: 50%;
  background: rgba(127, 127, 127, .15); font-size: 20px; line-height: 1;
}
.keys-list { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 24px; }
.keys-list div { display: flex; justify-content: space-between; gap: 12px; padding: 4px 0; border-bottom: 1px solid #eef0f4; }
.keys-list kbd { color: var(--ink); background: #eef1f6; border-radius: 4px; padding: 1px 6px; margin: 0; }

#toast {
  position: fixed; left: 50%; bottom: calc(var(--foot) + 16px); transform: translate(-50%, 20px);
  background: var(--bar); color: var(--bar-ink); padding: 9px 16px; border-radius: 8px;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: .2s; z-index: 60;
  max-width: calc(100vw - 32px);
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Short screens (phones held sideways) ---------- */
@media (max-height: 520px) {
  .panel-preview { display: none; }
  :root { --top: 40px; --foot: 26px; }
  .tool { height: 30px; }
}

/* ---------- Medium screens (tablets, small laptops) ---------- */
@media (max-width: 1100px) {
  .brand { display: none; }
}

/* ---------- Small screens ---------- */
@media (max-width: 760px), (pointer: coarse) {
  .menu kbd, .menu [data-action="keys"] { display: none; }
}
@media (max-width: 760px) {
  .t-full, .tb.icon[data-action="redo"], .tb.icon[data-action="keys"] { display: none; }
  .t-short { display: block; }
  #btn-menu, .tb[data-action="togglePanels"] { width: 34px; padding: 0; display: grid; place-items: center; }
  .mode-toggle { margin-right: 0; }
  .mode-toggle button { padding: 0 7px; font-size: 11px; }
  #topbar { gap: 5px; padding: 0 8px; }

  /* Tools dock along the bottom and lift above the panels sheet when it's open. */
  #toolbox {
    left: 8px !important; right: 8px; top: auto !important; bottom: calc(var(--foot) + 8px);
    width: auto !important; max-height: none; flex-direction: row; align-items: center;
    padding: 4px 6px; overflow-x: auto; overflow-y: hidden; touch-action: pan-x;
  }
  body[data-mode="beginner"] #toolbox { width: auto !important; }
  #toolbox .handle { display: none; }
  #toolbox .sep { width: 1px; height: 28px; margin: 0 3px; flex: none; }
  .tool, .quick { flex: none; }
  .quick { margin: 0 3px; }
  body[data-mode="beginner"] .tool { width: 44px; }
  .tool[data-action="zoomFit"] { display: none; }
  body:not(.no-panels) #toolbox { bottom: calc(var(--foot) + var(--sheet) + 8px); }

  /* Tips sit at the top of the canvas so they never collide with messages near the dock. */
  .coach { left: 8px; right: 8px; width: auto; top: calc(var(--top) + 26px); bottom: auto; padding: 12px 14px 10px; }
  .coach p { font-size: 12.5px; margin-bottom: 10px; }
  #toast { bottom: calc(var(--foot) + 76px); }
  body:not(.no-panels) #toast { bottom: calc(var(--foot) + var(--sheet) + 76px); }
  .popover { width: auto; }

  :root { --panels-w: 100%; --sheet: 46vh; }
  @supports (height: 1dvh) { :root { --sheet: 46dvh; } }
  .brand, .tb.icon:not([data-action="undo"]), .project-name { display: none; }
  .project-name { width: 34vw; }
  .panel-preview { display: none; }
  .tb { padding: 0 8px; }
  #panels { top: auto; height: var(--sheet); border-left: 0; border-top: 1px solid var(--line); box-shadow: var(--shadow); }
  .menu { position: fixed; top: calc(var(--top) - 4px); left: 8px; right: 8px; grid-template-columns: 1fr 1fr; max-height: 70vh; overflow: auto; }
  .keys-list { grid-template-columns: 1fr; }
  .mode-cards, .export-grid { grid-template-columns: 1fr; }
  .mode-toggle button { padding: 0 8px; }
  #status-pos { display: none; }
}