/* IconMaker — stylesheet.
 * Colours are tokens on :root. Dark is the default; light follows the system
 * setting unless the user picked a theme (html[data-theme]).
 * Greys are truly neutral (equal red, green and blue) so nothing tints the
 * artwork. The one colour is the accent, chosen by the user (html[data-accent]).
 */

:root {
  /* the accent choices (Appearance menu and welcome window) */
  --accent-red: hsl(357 82% 57%);
  --accent-orange: hsl(24 100% 43%);
  --accent-olive: hsl(45 99% 31%);
  --accent-green: hsl(135 100% 28%);
  --accent-teal: hsl(180 100% 25%);
  --accent-blue: hsl(208 99% 46%);
  --accent-purple: hsl(257 78% 63%);
  --accent-pink: hsl(316 75% 55%);

  --accent: var(--accent-blue);
  --on-accent: #ffffff;
  --ov-alt: #ff5c7a;      /* guides, measurements: always a different colour from the accent */

  color-scheme: dark;
  --bg: #0b0b0b;
  --bg-top: rgba(255, 255, 255, 0.055);
  --glass: rgba(28, 28, 28, 0.74);
  --surface: #171717;
  --surface-2: #1f1f1f;
  --fill-1: rgba(255, 255, 255, 0.045);
  --fill-2: rgba(255, 255, 255, 0.08);
  --fill-3: rgba(255, 255, 255, 0.13);
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.18);
  --ink-strong: #f2f2f2;
  --ink: #e0e0e0;
  --ink-2: #aeaeae;
  --ink-3: #939393;
  --accent-hover: color-mix(in srgb, var(--accent) 80%, white);
  --accent-ink: color-mix(in srgb, var(--accent) 14%, white);
  --accent-soft: color-mix(in srgb, var(--accent) 18%, transparent);
  --accent-border: color-mix(in srgb, var(--accent) 45%, transparent);
  --accent-glow: 0 4px 16px color-mix(in srgb, var(--accent) 28%, transparent);
  --accent-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 30%, transparent);
  --danger: #ff8593;
  --danger-soft: rgba(255, 92, 112, 0.14);
  --success: #4fd18b;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.35);
  --highlight: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --tooltip-bg: rgba(38, 38, 38, 0.97);
  --scrim: rgba(5, 5, 5, 0.55);
  --checker-a: #f4f4f4;
  --checker-b: #e3e3e3;
  --radius: 14px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* the accent the user picked (blue is the default and needs no attribute) */
:root[data-accent="red"]    { --accent: var(--accent-red); }
:root[data-accent="orange"] { --accent: var(--accent-orange); }
:root[data-accent="olive"]  { --accent: var(--accent-olive); }
:root[data-accent="green"]  { --accent: var(--accent-green); }
:root[data-accent="teal"]   { --accent: var(--accent-teal); }
:root[data-accent="blue"]   { --accent: var(--accent-blue); }
:root[data-accent="purple"] { --accent: var(--accent-purple); }
:root[data-accent="pink"]   { --accent: var(--accent-pink); }
/* warm accents would blend with the red guide lines, so the guides turn blue */
:root[data-accent="red"], :root[data-accent="orange"], :root[data-accent="pink"] { --ov-alt: #2f8cff; }

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    color-scheme: light;
    --bg: #ececec;
    --bg-top: rgba(255, 255, 255, 0.6);
    --glass: rgba(255, 255, 255, 0.8);
    --surface: #ffffff;
    --surface-2: #f4f4f4;
    --fill-1: rgba(0, 0, 0, 0.04);
    --fill-2: rgba(0, 0, 0, 0.07);
    --fill-3: rgba(0, 0, 0, 0.12);
    --border: rgba(0, 0, 0, 0.11);
    --border-strong: rgba(0, 0, 0, 0.2);
    --ink-strong: #0d0d0d;
    --ink: #1d1d1d;
    --ink-2: #4a4a4a;
    --ink-3: #5c5c5c;
    --accent-hover: color-mix(in srgb, var(--accent) 82%, black);
    --accent-ink: color-mix(in srgb, var(--accent) 62%, black);
    --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
    --accent-glow: 0 3px 12px color-mix(in srgb, var(--accent) 18%, transparent);
    --accent-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 26%, transparent);
    --danger: #c42739;
    --danger-soft: rgba(196, 39, 57, 0.1);
    --success: #12884a;
    --shadow: 0 16px 44px rgba(0, 0, 0, 0.14);
    --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.12);
    --highlight: inset 0 1px 0 rgba(255, 255, 255, 0.75);
    --tooltip-bg: rgba(29, 29, 29, 0.96);
    --scrim: rgba(20, 20, 20, 0.35);
  }
}
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #ececec;
  --bg-top: rgba(255, 255, 255, 0.6);
  --glass: rgba(255, 255, 255, 0.8);
  --surface: #ffffff;
  --surface-2: #f4f4f4;
  --fill-1: rgba(0, 0, 0, 0.04);
  --fill-2: rgba(0, 0, 0, 0.07);
  --fill-3: rgba(0, 0, 0, 0.12);
  --border: rgba(0, 0, 0, 0.11);
  --border-strong: rgba(0, 0, 0, 0.2);
  --ink-strong: #0d0d0d;
  --ink: #1d1d1d;
  --ink-2: #4a4a4a;
  --ink-3: #5c5c5c;
  --accent-hover: color-mix(in srgb, var(--accent) 82%, black);
  --accent-ink: color-mix(in srgb, var(--accent) 62%, black);
  --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
  --accent-glow: 0 3px 12px color-mix(in srgb, var(--accent) 18%, transparent);
  --accent-shadow: 0 6px 18px color-mix(in srgb, var(--accent) 26%, transparent);
  --danger: #c42739;
  --danger-soft: rgba(196, 39, 57, 0.1);
  --success: #12884a;
  --shadow: 0 16px 44px rgba(0, 0, 0, 0.14);
  --shadow-sm: 0 6px 18px rgba(0, 0, 0, 0.12);
  --highlight: inset 0 1px 0 rgba(255, 255, 255, 0.75);
  --tooltip-bg: rgba(29, 29, 29, 0.96);
  --scrim: rgba(20, 20, 20, 0.35);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", system-ui, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
  color: var(--ink);
  background: radial-gradient(1100px 700px at 50% -12%, var(--bg-top), transparent 62%) fixed, var(--bg);
  user-select: none;
  -webkit-user-select: none;
  transition: background-color 0.3s;
}

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 300;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

button {
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s, border-color 0.18s, color 0.18s, box-shadow 0.18s, opacity 0.18s, transform 0.12s;
}
button:active:not(:disabled):not([aria-disabled="true"]) { transform: scale(0.96); }
button:disabled, button[aria-disabled="true"] { opacity: 0.45; cursor: default; }
button:focus { outline: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
#canvas:focus, #canvas:focus-visible { outline: none; }
body.kbd-nav #canvas:focus { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--radius); }

input[type="color"] { cursor: pointer; }

/* icons inside buttons: one stroke style everywhere */
button svg, .brand-mark {
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}
button svg .dot { fill: currentColor; stroke: none; }

/* glass panels */
.glass-card {
  background: var(--glass);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow), var(--highlight);
}

.hidden { display: none !important; }

/* ---------- top bar ---------- */

#topbar {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px 0 12px;
  height: 52px;
  width: max-content;
  max-width: calc(100vw - 24px);
  z-index: 30;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ink-strong);
  padding: 0 4px 0 2px;
  white-space: nowrap;
}
.brand-mark { width: 22px; height: 22px; color: var(--accent); stroke-width: 1.9; }

.tb-group { display: flex; align-items: center; gap: 4px; }
.tb-sep { width: 1px; height: 24px; background: var(--border); margin: 0 2px; flex: none; }
.tb-grow { flex: 1; min-width: 8px; }

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--ink);
  position: relative;
}
.icon-btn:hover:not(:disabled):not([aria-disabled="true"]) { background: var(--fill-2); }
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn.small { width: 32px; height: 32px; border-radius: 9px; }
.icon-btn.small svg { width: 18px; height: 18px; }
.icon-btn.on, .icon-btn[aria-pressed="true"] {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}
.icon-btn.danger:hover:not(:disabled) { color: var(--danger); background: var(--danger-soft); }

.chip {
  height: 32px;
  min-width: 44px;
  padding: 0 11px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--fill-1);
  color: var(--ink-2);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}
.chip:hover { background: var(--fill-2); color: var(--ink); }
.chip.sel {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent-ink);
  box-shadow: var(--accent-glow), var(--highlight);
}

.export-btn {
  height: 38px;
  gap: 8px;
  padding: 0 16px 0 12px;
  border-radius: 11px;
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: var(--accent-shadow);
}
.export-btn svg { width: 18px; height: 18px; stroke-width: 2; }
.export-btn:hover { background: var(--accent-hover); }

/* theme button: show the icon for the current choice */
#theme-btn svg { display: none; }
html:not([data-theme]) #theme-btn .ic-system,
html[data-theme="light"] #theme-btn .ic-light,
html[data-theme="dark"] #theme-btn .ic-dark { display: block; }

.narrow-only, .drawer-only { display: none !important; }

/* ---------- menus (more, context) ---------- */

.menu {
  position: fixed;
  z-index: 120;
  min-width: 210px;
  padding: 6px;
  display: flex;
  flex-direction: column;
  animation: pop-in 0.14s var(--ease);
}
.menu-item {
  justify-content: space-between;
  gap: 18px;
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  font-weight: 500;
  text-align: left;
}
.menu-item:hover:not([aria-disabled="true"]), .menu-item:focus-visible { background: var(--fill-2); outline: none; }
.menu-item kbd { font: 500 11px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--ink-3); }
.menu-item.danger { color: var(--danger); }
.menu-sep { height: 1px; margin: 5px 4px; background: var(--border); }
.menu-label { padding: 6px 10px 4px; font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.menu-sizes { display: flex; gap: 6px; padding: 2px 6px 6px; }
.menu-sizes .chip { flex: 1; min-width: 0; padding: 0; }

@keyframes pop-in { from { opacity: 0; transform: translateY(-4px) scale(0.98); } to { opacity: 1; transform: none; } }

/* ---------- left toolbar ---------- */

#tools {
  position: fixed;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 60px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  scrollbar-width: none;
  padding: 6px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 20;
}
#tools::-webkit-scrollbar { display: none; }

.tool {
  position: relative;
  flex: none;
  width: 44px;
  height: 44px;
  margin: 2px 8px;
  border-radius: 12px;
  border: 1px solid transparent;
  color: var(--ink);
}
.tool svg { width: 22px; height: 22px; }
.tool:hover { background: var(--fill-2); }
.tool.sel {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-border);
  box-shadow: var(--accent-glow), var(--highlight);
}
/* selected tools also fill their shape, so the state does not rely on colour alone */
.tool.sel.fillable svg { fill: currentColor; fill-opacity: 0.28; }
.tool kbd {
  position: absolute;
  right: 2px;
  bottom: 1px;
  font: 600 11px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: var(--ink-3);
  pointer-events: none;
}
.tool.sel kbd { color: var(--accent); }
body.no-keys .tool kbd { display: none; }
.tool-sep { flex: none; width: 28px; height: 1px; margin: 5px 0; background: var(--border); }

/* ---------- canvas area ---------- */

#canvas-wrap {
  position: absolute;
  left: 84px;
  right: 296px;
  top: 76px;
  bottom: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  transition: right 0.25s var(--ease);
}

#canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
  touch-action: none;        /* pointer events, not page scrolling */
  cursor: default;
}

#canvas.tool-pen,
#canvas.tool-pencil,
#canvas.tool-line,
#canvas.tool-rect,
#canvas.tool-ellipse,
#canvas.tool-fill,
#canvas.tool-stroke,
#canvas.tool-node,
#canvas.tool-eyedropper { cursor: crosshair; }
#canvas.tool-eraser { cursor: cell; }
#canvas.tool-hand { cursor: grab; }
#canvas.space, #canvas.space * { cursor: grab; }
#canvas.space.grabbing { cursor: grabbing; }

/* node tool hover cursors: plus to add a point on a curve, minus to remove one (Alt) */
#canvas.nh-add:not(.space)    { cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath d='M12 3v18M3 12h18' stroke='white' stroke-width='4'/%3E%3Cpath d='M12 3v18M3 12h18' stroke='black' stroke-width='1.5'/%3E%3C/svg%3E") 12 12, copy; }
#canvas.nh-remove:not(.space) { cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24'%3E%3Cpath d='M3 12h18' stroke='white' stroke-width='4'/%3E%3Cpath d='M3 12h18' stroke='black' stroke-width='1.5'/%3E%3C/svg%3E") 12 12, not-allowed; }
#canvas.nh-move:not(.space)   { cursor: move; }

/* overlay primitives (classes used by overlay.js). Stroke widths and dashes
   are set in overlay.js so they stay at fixed screen sizes; CSS must not set them. */
.ov-sel       { fill: none; stroke: var(--accent); opacity: 0.9; }
.ov-hover     { fill: none; stroke: var(--accent); opacity: 0.75; }
.ov-node      { fill: #ffffff; stroke: var(--accent); }
.ov-node.sel  { fill: var(--accent); }
.ov-close     { fill: #ffffff; stroke: var(--ov-alt); }
.ov-handle    { stroke: color-mix(in srgb, var(--accent) 60%, transparent); fill: none; }
.ov-handle-c  { fill: var(--accent); stroke: none; }
.ov-ghost     { fill: none; stroke: #7a7aff; opacity: 0.9; }
.ov-ghost-dot { fill: #ffffff; stroke: var(--accent); }
.ov-outline   { stroke: color-mix(in srgb, var(--accent) 85%, transparent); fill: none; }
.ov-guide     { stroke: var(--ov-alt); }
.ov-measure   { stroke: var(--ov-alt); }
.ov-marquee   { fill: color-mix(in srgb, var(--accent) 10%, transparent); stroke: var(--accent); }
.ov-bbox      { fill: none; stroke: var(--accent); }
.ov-rot       { fill: var(--accent); stroke: #ffffff; }
.ov-badge     { fill: var(--accent); }
.ov-badge-m   { fill: var(--ov-alt); }
.ov-badge-t   { fill: #ffffff; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-weight: 600; }

.hint {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  max-width: min(560px, calc(100% - 40px));
  margin: 0;
  padding: 7px 6px 7px 14px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--ink);
  text-align: center;
  background: var(--glass);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-sm), var(--highlight);
  z-index: 3;
  pointer-events: none;            /* the tip never blocks drawing underneath it... */
  display: flex;
  align-items: center;
  gap: 8px;
  animation: fade-in 0.2s var(--ease);
}
.hint-close {
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  color: var(--ink-2);
  pointer-events: auto;            /* ...except for its own close button */
}
.hint-close svg { width: 14px; height: 14px; stroke-width: 2; }
.hint-close:hover { background: var(--fill-3); color: var(--ink-strong); }

@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

/* empty state: a card over the empty artboard; only its buttons catch clicks */
.empty-state {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 4;
  width: min(360px, calc(100% - 32px));
  padding: 20px 20px 18px;
  text-align: center;
  pointer-events: none;
  animation: fade-in 0.3s var(--ease);
  transition: opacity 0.2s;
}
.empty-state.dimmed { opacity: 0; }
.empty-state h2 { margin: 0 0 10px; font-size: 17px; color: var(--ink-strong); }
.empty-state p { margin: 12px 0 10px; color: var(--ink-2); font-size: 13px; line-height: 1.45; }
.steps { display: flex; justify-content: center; gap: 6px; margin: 0; padding: 0; list-style: none; color: var(--ink); font-weight: 600; }
.steps li { display: inline-flex; align-items: center; gap: 6px; }
.steps li + li::before { content: ""; width: 16px; height: 1px; background: var(--border-strong); margin-right: 2px; }
.step-n {
  display: inline-grid; place-items: center;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-ink);
  font-size: 11px; font-weight: 700;
}
.starters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.starter {
  pointer-events: auto;
  flex-direction: column;
  gap: 4px;
  height: 66px;
  border: 1px solid var(--border);
  background: var(--fill-1);
  border-radius: 12px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
}
.starter svg { width: 26px; height: 26px; fill: currentColor; fill-opacity: 0.18; }
.starter:hover { background: var(--accent-soft); border-color: var(--accent-border); color: var(--accent-ink); }

/* zoom and view toggles (bottom-left) */
#zoombar {
  position: absolute;
  left: 12px;
  bottom: 12px;
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 5px 6px;
  z-index: 3;
}
.zb-sep { width: 1px; height: 22px; background: var(--border); margin: 0 4px; }
.zoom-label {
  min-width: 50px;
  text-align: center;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
}
#zoombar .icon-btn { width: 34px; height: 34px; }
#zoombar .icon-btn svg { width: 18px; height: 18px; }
#bg-toggle .solid, #pixel-toggle .px { fill: currentColor; stroke: none; }

/* ---------- right panel ---------- */

#panel {
  position: fixed;
  right: 16px;
  top: 76px;
  bottom: 16px;
  width: 264px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  z-index: 25;
  transition: transform 0.28s var(--ease), box-shadow 0.28s;
}

.panel-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px;
  border-bottom: 1px solid var(--border);
  flex: none;
}

.tab {
  flex: 1;
  height: 40px;
  gap: 6px;
  border-radius: 10px;
  border: 1px solid transparent;
  color: var(--ink-2);
  font-size: 12.5px;
}
.tab svg { width: 18px; height: 18px; }
.tab:hover { background: var(--fill-2); color: var(--ink); }
.tab.sel {
  color: var(--accent-ink);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}
.tab.sel svg { color: var(--accent); }

.panel-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 10px 12px 14px;
  animation: fade-in 0.18s var(--ease);
}

.panel-note {
  margin: 12px 4px 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--ink-3);
}

.sel-summary {
  margin: 0 0 10px;
  padding: 8px 10px;
  border-radius: 10px;
  background: var(--fill-1);
  border: 1px solid var(--border);
  font-size: 12px;
  line-height: 1.4;
  color: var(--ink-2);
}
.sel-summary strong { color: var(--ink-strong); font-weight: 600; }
.no-sel .sel-only { display: none; }

/* ---------- layers ---------- */

#layer-list { display: flex; flex-direction: column; gap: 2px; }

.layer-item {
  height: 52px;
  display: grid;
  grid-template-columns: 28px 28px 34px minmax(0, 1fr);
  gap: 4px;
  align-items: center;
  border-radius: 10px;
  padding: 0 4px;
  cursor: default;
  transition: background 0.2s, box-shadow 0.2s;
}
.layer-item:hover { background: var(--fill-1); }
.layer-item.active {
  background: var(--fill-2);
  box-shadow: inset 3px 0 0 var(--accent), var(--highlight);
}
.layer-item:focus-visible { outline-offset: -2px; }
.layer-item.dragging { opacity: 0.5; }
.layer-item.drop-target { box-shadow: inset 0 2px 0 var(--accent); }

.layer-item .eye,
.layer-item .lock {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  padding: 0;
  color: var(--ink-3);
}
.layer-item .eye svg,
.layer-item .lock svg { width: 16px; height: 16px; }
.layer-item .eye:hover,
.layer-item .lock:hover { background: var(--fill-3); color: var(--ink); }
.layer-item .eye.on { color: var(--ink); }
.layer-item .lock.on { color: var(--accent); }
.layer-item.hidden-layer .name { opacity: 0.55; }

.thumb, .checker {
  border: 1px solid var(--border-strong);
  background-color: var(--checker-a);
  background-image:
    linear-gradient(45deg, var(--checker-b) 25%, transparent 25%, transparent 75%, var(--checker-b) 75%),
    linear-gradient(45deg, var(--checker-b) 25%, transparent 25%, transparent 75%, var(--checker-b) 75%);
  background-size: 8px 8px;
  background-position: 0 0, 4px 4px;
}
.layer-item .thumb {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background-size: 6px 6px;
  background-position: 0 0, 3px 3px;
  overflow: hidden;
}
.layer-item .thumb svg { width: 26px; height: 26px; margin: 2px; display: block; }

.layer-item .name {
  font-size: 13px;
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.layer-item input[type="text"] {
  width: 100%;
  font-size: 13px;
  color: var(--ink-strong);
  background: var(--fill-2);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 3px 5px;
  outline: none;
  user-select: text;
  -webkit-user-select: text;
}

.layer-item .info { min-width: 0; display: flex; flex-direction: column; gap: 1px; padding-right: 4px; }
.layer-item .lop { display: flex; align-items: center; gap: 6px; }
.lopacity { flex: 1; min-width: 0; width: auto; height: 18px; }
.lop-val { flex: none; min-width: 32px; text-align: right; font-size: 11px; font-variant-numeric: tabular-nums; color: var(--ink-3); }

.layer-actions {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 12px 0 2px;
}
.layer-actions .icon-btn {
  width: 38px;
  height: 38px;
  background: var(--fill-1);
  border: 1px solid var(--border);
}
.layer-actions .icon-btn:hover:not(:disabled) { background: var(--fill-3); }

/* ---------- history ---------- */

.history-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.history-list button {
  width: 100%;
  justify-content: flex-start;
  gap: 10px;
  height: 34px;
  padding: 0 10px;
  border-radius: 8px;
  font-weight: 500;
  color: var(--ink);
  text-align: left;
}
.history-list button:hover { background: var(--fill-2); }
.history-list .n { width: 22px; flex: none; font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; text-align: right; }
.history-list .current button { background: var(--accent-soft); color: var(--accent-ink); box-shadow: inset 3px 0 0 var(--accent); }
.history-list .future button { color: var(--ink-3); }
.history-list .future .lbl { text-decoration: line-through; text-decoration-color: var(--border-strong); }

/* ---------- style panel ---------- */

.style-sec {
  margin: 0 0 12px;
  padding: 0 0 12px;
  border-bottom: 1px solid var(--border);
}
#panel-style .style-sec:last-child { border-bottom: none; }
.sec-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 4px 2px 8px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.sec-sub { font-size: 11px; font-weight: 500; letter-spacing: 0; text-transform: none; color: var(--ink-3); }

.colour-row { display: grid; grid-template-columns: 1fr 92px; gap: 8px; margin: 0 0 8px; }
.colour {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 36px;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
}
.colour::-webkit-color-swatch-wrapper { padding: 3px; }
.colour::-webkit-color-swatch { border: none; border-radius: 7px; }
.colour::-moz-color-swatch { border: none; border-radius: 7px; }
.colour.mixed { background: repeating-linear-gradient(45deg, var(--fill-3) 0 6px, transparent 6px 12px); }
.colour.mixed::-webkit-color-swatch { opacity: 0.25; }

.hex, .field input[type="text"] {
  width: 100%;
  height: 36px;
  padding: 0 10px;
  font: 500 12.5px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: lowercase;
  color: var(--ink);
  background: var(--fill-1);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  user-select: text;
  -webkit-user-select: text;
}
.field input[type="text"] { font-family: inherit; text-transform: none; }
.hex::placeholder { text-transform: none; color: var(--ink-3); }
.hex:focus, .field input:focus { outline: none; border-color: var(--accent); background: var(--accent-soft); }
.hex.invalid { border-color: var(--danger); background: var(--danger-soft); }

.swatches { display: flex; flex-wrap: wrap; gap: 5px; margin: 0 0 6px; }
.swatch {
  width: 22px;
  height: 22px;
  padding: 0;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  box-shadow: var(--highlight);
}
.swatch:hover { transform: scale(1.12); }
.swatch.recent-sep { width: 1px; height: 22px; border: none; background: var(--border); border-radius: 0; box-shadow: none; pointer-events: none; }
.swatch.none { background: linear-gradient(135deg, transparent 45%, var(--danger) 45% 55%, transparent 55%), var(--surface); }

.seg-row {
  display: flex;
  margin: 8px 0;
  padding: 3px;
  gap: 3px;
  border-radius: 12px;
  background: var(--fill-1);
  border: 1px solid var(--border);
}
.seg, .seg-radio span {
  flex: 1;
  height: 30px;
  border-radius: 9px;
  font-size: 12.5px;
  color: var(--ink-2);
}
.seg:hover, .seg-radio:hover span { background: var(--fill-2); color: var(--ink); }
.seg.sel, .seg-radio input:checked + span {
  background: var(--accent-soft);
  color: var(--accent-ink);
  box-shadow: var(--highlight);
}
.seg-radio { flex: 1; display: flex; position: relative; cursor: pointer; }
.seg-radio input { position: absolute; opacity: 0; pointer-events: none; }
.seg-radio span { display: flex; align-items: center; justify-content: center; font-weight: 600; transition: background 0.18s; }
.seg-radio input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 1px; }

/* Combine row: group and boolean commands, each with a short label. */
.shape-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}
.shape-btn, .labelled-btn {
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  height: 52px;
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--fill-1);
  color: var(--ink);
  font-size: 11px;
  font-weight: 500;
}
.shape-btn svg, .labelled-btn svg { width: 22px; height: 22px; }
.shape-btn svg .f { fill: currentColor; fill-opacity: 0.7; }        /* the resulting area */
.shape-btn svg .ghost { stroke-dasharray: 2 2; opacity: 0.7; }      /* shapes that are cut away */
.shape-btn svg .frame { stroke-dasharray: 3 2; }                    /* the group's bounding frame */
.shape-btn:hover:not([aria-disabled="true"]), .labelled-btn:hover:not([aria-disabled="true"]) { background: var(--fill-3); color: var(--ink-strong); }

.btn-row { display: flex; flex-wrap: wrap; gap: 2px; justify-content: space-between; }
.btn-row .icon-btn.small { width: 28px; }

.slider-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  margin: 6px 0;
  font-size: 12px;
  color: var(--ink-2);
}

/* position and size */
.xf-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.xf { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-2); }
.xf > span { width: 14px; font-weight: 600; }
.xf input.num { flex: 1; width: 0; min-width: 0; text-align: left; }
.xf-row { display: flex; align-items: center; gap: 4px; margin-top: 8px; }
.xf-rot { flex: 1; }
.xf-rot > span { width: auto; }
.xf-rot em { font-style: normal; color: var(--ink-3); }

/* range inputs: thin track, small dot thumb */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 24px;
  margin: 0;
  background: transparent;
  cursor: ew-resize;
}
input[type="range"]:focus { outline: none; }
input[type="range"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
input[type="range"]::-webkit-slider-runnable-track { height: 3px; border-radius: 2px; background: var(--fill-3); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-strong);
  border: none;
  margin-top: -5.5px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.45);
}
input[type="range"]::-moz-range-track { height: 3px; border-radius: 2px; background: var(--fill-3); }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border: none; border-radius: 50%; background: var(--ink-strong); }

.lopacity::-webkit-slider-runnable-track { height: 2px; }
.lopacity::-webkit-slider-thumb { width: 11px; height: 11px; margin-top: -4.5px; }

/* gradient stops */
#grad-bar {
  position: relative;
  height: 30px;
  margin: 8px 6px 14px;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  background-color: #f4f4f4;
  box-shadow: var(--highlight);
}
#grad-bar .stop {
  position: absolute;
  top: 50%;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.95), 0 1px 5px rgba(0, 0, 0, 0.6);
  transform: translate(-50%, -50%);
  cursor: ew-resize;
  touch-action: none;
}
#grad-bar .stop.sel { box-shadow: 0 0 0 3px var(--accent), 0 1px 5px rgba(0, 0, 0, 0.6); }

.dash-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 10px 0 2px; }
.dash {
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--fill-1);
}
.dash svg { width: 22px; height: 22px; stroke-width: 2; }
.dash:hover { background: var(--fill-3); }
.dash.sel { color: var(--accent); background: var(--accent-soft); border-color: var(--accent-border); }

.z-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; }

/* ---------- actual-size preview (bottom-right of the artboard) ---------- */

#preview-card {
  position: absolute;
  right: 12px;
  bottom: 12px;
  max-width: calc(100% - 24px);
  padding: 8px 12px 10px;
  z-index: 3;
}
#preview-card.collapsed { padding-bottom: 8px; }
#preview-card.collapsed #preview-mini { display: none; }
#preview-card.collapsed .mini-btn svg { transform: rotate(180deg); }

.preview-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; }
#preview-card.collapsed .preview-head { margin-bottom: 0; }
.preview-title { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-2); }
.mini-btn { width: 26px; height: 26px; border-radius: 7px; color: var(--ink-2); }
.mini-btn svg { width: 16px; height: 16px; transition: transform 0.2s var(--ease); }
.mini-btn:hover { background: var(--fill-2); color: var(--ink); }

/* The icon at standard sizes, one image pixel per screen pixel (not scaled). */
#preview-mini { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 10px 12px; }
.mini-cell { display: flex; flex-direction: column; align-items: center; gap: 4px; color: var(--ink-2); }
.mini-box { display: flex; padding: 4px; border-radius: 6px; }
.mini { display: block; flex: none; }     /* width and height are set to the real size in JS */
.mini-label { font-size: 11px; font-variant-numeric: tabular-nums; }
@media (max-width: 1599px) { #preview-card .mini-cell[data-size="128"] { display: none; } }

/* number box beside a slider (opacity %, thickness px) */
.num-wrap { display: inline-flex; align-items: center; gap: 3px; color: var(--ink-3); font-size: 12px; }
.num-wrap em { font-style: normal; width: 16px; }
input.num {
  width: 52px;
  height: 28px;
  padding: 0 6px;
  font: inherit;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--ink);
  background: var(--fill-1);
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  user-select: text;
  -webkit-user-select: text;
}
input.num::placeholder { color: var(--ink-3); }
input.num:focus { outline: none; border-color: var(--accent); background: var(--accent-soft); }

/* ---------- toast ---------- */

#toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(8px);
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow), var(--highlight);
  padding: 9px 16px;
  font-size: 13px;
  color: var(--ink-strong);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
  z-index: 150;
  white-space: nowrap;
  max-width: calc(100vw - 32px);
}
#toast span { overflow: hidden; text-overflow: ellipsis; }
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-ok { display: none; width: 18px; height: 18px; fill: none; stroke: var(--success); stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; flex: none; }
#toast.success .toast-ok { display: block; animation: tick 0.35s var(--ease); }
@keyframes tick { from { transform: scale(0.4); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- tooltips (data-tip) ---------- */

/* One tooltip element on <body>, placed by main.js (wireTooltips); never clipped by panels. */
.tooltip {
  position: fixed;
  left: 0;
  top: 0;
  max-width: min(320px, calc(100vw - 16px));
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
  color: #eeeeee;
  background: var(--tooltip-bg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s;
  z-index: 400;
}
.tooltip.show { opacity: 1; visibility: visible; }

/* ---------- dialogs ---------- */

.dlg {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 0;
  max-width: min(760px, calc(100vw - 24px));
  width: 100%;
  background: var(--surface);
  color: var(--ink);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.45);
  max-height: calc(100vh - 32px);
  overflow-y: auto;
}
.dlg[open] { animation: dlg-in 0.2s var(--ease); }
.dlg::backdrop { background: var(--scrim); backdrop-filter: blur(3px); }
@keyframes dlg-in { from { opacity: 0; transform: translateY(8px) scale(0.98); } to { opacity: 1; transform: none; } }
.dlg-small { max-width: min(440px, calc(100vw - 24px)); }
.dlg-inner { padding: 20px 22px 18px; margin: 0; }
.dlg-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.dlg h2 { margin: 0; font-size: 17px; color: var(--ink-strong); }
.dlg-small h2 { margin-bottom: 8px; }
.dlg p { font-size: 13px; line-height: 1.5; color: var(--ink-2); margin: 0 0 16px; }
.dlg-actions { display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

.primary-btn, .secondary-btn {
  height: 38px;
  padding: 0 18px;
  border-radius: 11px;
}
.primary-btn { background: var(--accent); color: var(--on-accent); box-shadow: var(--accent-shadow); }
.primary-btn:hover { background: var(--accent-hover); }
.primary-btn.danger { background: #d93a4e; box-shadow: 0 6px 18px rgba(217, 58, 78, 0.28); }
.primary-btn.danger:hover { background: #c22f42; }
.secondary-btn { background: var(--fill-2); border: 1px solid var(--border); color: var(--ink); }
.secondary-btn:hover { background: var(--fill-3); }

/* export */
#export-dlg { max-width: min(600px, calc(100vw - 24px)); }
.export-body { display: grid; grid-template-columns: 190px 1fr; gap: 20px; }
.export-preview { display: flex; align-items: center; justify-content: center; }
#export-preview-box { width: 176px; height: 176px; border-radius: 12px; display: grid; place-items: center; }
#export-preview-box svg { width: 144px; height: 144px; }
.export-opts fieldset { border: none; margin: 0 0 12px; padding: 0; }
.export-opts legend, .field > span { display: block; margin-bottom: 6px; font-size: 11.5px; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; color: var(--ink-2); }
.size-checks { display: flex; gap: 6px; }
.size-checks label {
  flex: 1;
  display: flex; align-items: center; justify-content: center; gap: 6px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--fill-1);
  font-variant-numeric: tabular-nums;
  cursor: pointer;
}
.size-checks label:has(input:checked) { border-color: var(--accent-border); background: var(--accent-soft); color: var(--accent-ink); }
.size-checks input, .help-switch input { accent-color: var(--accent); width: 15px; height: 15px; margin: 0; }
.field { display: block; margin-bottom: 8px; }
.field-note { font-size: 12px !important; color: var(--ink-3) !important; margin: 6px 0 0 !important; }

/* ---------- appearance: theme and accent (menu and welcome window) ---------- */

.appearance { width: 280px; min-width: 0; padding: 14px; gap: 14px; }
.ap-sec { min-width: 0; }
.ap-sec .sec-title { margin: 0 2px 8px; }
.ap-theme { margin: 0; }
.ap-theme .seg { gap: 6px; }
.ap-theme .seg svg { width: 16px; height: 16px; }

.accent-row {
  --dot: 26px;
  display: grid;
  grid-template-columns: repeat(8, var(--dot));
  justify-content: space-between;
  margin: 0 2px;
}
.accent-dot {
  position: relative;
  width: var(--dot);
  height: var(--dot);
  padding: 0;
  border-radius: 50%;
  background: var(--c);
  box-shadow: var(--highlight);
}
.accent-dot:hover { transform: scale(1.12); }
.accent-dot svg {
  width: 55%;
  height: 55%;
  stroke: #ffffff;
  stroke-width: 3;
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 0.18s, transform 0.18s var(--ease);
}
.accent-dot[aria-checked="true"] { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--c); }
.accent-dot[aria-checked="true"] svg { opacity: 1; transform: none; }

/* welcome window (first visit) */
.welcome { max-width: min(460px, calc(100vw - 24px)); }
.welcome .dlg-inner { padding: 28px 26px 22px; }
.welcome-head { text-align: center; margin-bottom: 22px; }
.welcome-icon {
  display: block;
  width: 60px;
  height: 60px;
  margin: 0 auto 14px;
  border-radius: 15px;
  box-shadow: 0 0 0 1px var(--border-strong), var(--shadow-sm);
}
.welcome h2 { margin-bottom: 6px; font-size: 20px; }
.welcome-head p { max-width: 340px; margin: 0 auto; }
.welcome .ap-sec + .ap-sec { margin-top: 18px; }
.welcome .accent-row { --dot: 32px; }
.welcome .field-note { margin: 16px 0 0 !important; text-align: center; }
.welcome .dlg-actions { justify-content: center; margin-top: 14px; }
.welcome .primary-btn { min-width: 170px; }

.theme-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.theme-card {
  flex-direction: column;
  gap: 8px;
  padding: 8px 8px 9px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--fill-1);
  color: var(--ink-2);
  font-size: 12.5px;
}
.theme-card:hover { background: var(--fill-2); color: var(--ink); }
.theme-card[aria-checked="true"] {
  border-color: var(--accent-border);
  background: var(--accent-soft);
  color: var(--accent-ink);
  box-shadow: var(--highlight);
}

/* a tiny picture of each theme; fixed colours, but the accent pill is live */
.tp {
  position: relative;
  display: block;
  width: 100%;
  height: 58px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
}
.tp-in { position: absolute; inset: 0; }
.tp-in::before {
  content: "";
  position: absolute;
  left: 8px; right: 8px; top: 8px;
  height: 11px;
  border-radius: 6px;
  background: var(--tp-bar);
  box-shadow: inset 0 0 0 1px var(--tp-line);
}
.tp-in::after {
  content: "";
  position: absolute;
  left: 8px; bottom: 8px;
  width: 24px; height: 9px;
  border-radius: 5px;
  background: var(--accent);
}
.tp-l { --tp-bar: #ffffff; --tp-line: rgba(0, 0, 0, 0.1); background: #ececec; }
.tp-d { --tp-bar: #1c1c1c; --tp-line: rgba(255, 255, 255, 0.1); background: #0b0b0b; }
.tp-sys .tp-d { clip-path: polygon(58% 0, 100% 0, 100% 100%, 42% 100%); }

/* command palette */
.palette { max-width: min(560px, calc(100vw - 24px)); margin-top: 12vh; overflow: hidden; }
.palette-inner { display: flex; flex-direction: column; max-height: 60vh; }
.palette-search { display: flex; align-items: center; gap: 10px; padding: 0 16px; border-bottom: 1px solid var(--border); }
.palette-search svg { width: 18px; height: 18px; fill: none; stroke: var(--ink-3); stroke-width: 1.8; stroke-linecap: round; flex: none; }
#palette-input { flex: 1; height: 52px; border: none; background: transparent; color: var(--ink-strong); font: inherit; font-size: 15px; outline: none; user-select: text; -webkit-user-select: text; }
#palette-input::placeholder { color: var(--ink-3); }
#palette-list { list-style: none; margin: 0; padding: 6px; overflow-y: auto; }
#palette-list li {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  height: 38px; padding: 0 12px; border-radius: 9px; cursor: pointer; color: var(--ink);
}
#palette-list li[aria-selected="true"] { background: var(--accent-soft); color: var(--accent-ink); }
#palette-list li .grp { font-size: 11px; color: var(--ink-3); margin-right: auto; margin-left: 10px; }
#palette-list li kbd { font: 500 11.5px ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: var(--ink-3); }
#palette-list .empty { color: var(--ink-3); cursor: default; justify-content: center; }

/* help */
#help .help-inner { padding: 20px 24px 20px; }
#help h3 { margin: 16px 0 10px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; color: var(--ink-2); }
#help .help-tools { margin-bottom: 4px; }
#help .help-tools dt { font-family: inherit; font-size: 13px; font-weight: 600; }
.help-switch { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; font-size: 13px; color: var(--ink); cursor: pointer; }
.help-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
#help dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; align-items: baseline; }
#help dt { font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace; font-size: 12px; color: var(--ink-strong); white-space: nowrap; }
#help dd { margin: 0; font-size: 13px; line-height: 1.45; color: var(--ink-2); }
.help-tip { margin: 16px 0 14px; font-size: 13px; line-height: 1.5; color: var(--ink-2); }
#help-close { margin-top: 6px; }

.scrim { position: fixed; inset: 0; z-index: 24; background: var(--scrim); animation: fade-in 0.2s; }

/* ---------- touch screens: bigger targets ---------- */

@media (pointer: coarse) {
  .icon-btn, #zoombar .icon-btn { width: 44px; height: 44px; }
  .icon-btn.small { width: 40px; height: 40px; }
  .btn-row .icon-btn.small { width: 36px; }
  .chip { height: 40px; }
  .tool kbd { display: none; }
  .layer-item { height: 54px; }
  .swatch { width: 28px; height: 28px; }
  input.num { height: 34px; }
}

/* ---------- narrower screens ---------- */

@media (max-width: 1180px) {
  .brand { font-size: 0; gap: 0; }   /* keep the mark, drop the word */
}

/* below 1000px the side panel becomes a drawer over the canvas */
@media (max-width: 999px) {
  .drawer-only { display: inline-flex !important; }
  #canvas-wrap { right: 16px; }
  #panel {
    top: 76px;
    right: 12px;
    width: min(300px, calc(100vw - 24px));
    transform: translateX(calc(100% + 24px));
    background: var(--surface);
    box-shadow: none;
    visibility: hidden;
    transition: transform 0.28s var(--ease), visibility 0s linear 0.28s;
  }
  #panel.open { transform: none; visibility: visible; box-shadow: var(--shadow), var(--highlight); transition: transform 0.28s var(--ease); }
  .panel-tabs .tab span { font-size: 12px; }
}

@media (max-width: 760px) {
  .wide-only { display: none !important; }
  .narrow-only { display: inline-flex !important; }
  #topbar { left: 8px; right: 8px; top: 8px; transform: none; width: auto; max-width: none; gap: 4px; padding: 0 6px 0 10px; }
  #panel { top: 68px; bottom: 78px; right: 8px; width: min(320px, calc(100vw - 16px)); }

  /* tools become a bar along the bottom that scrolls sideways */
  #tools {
    left: 8px;
    right: 8px;
    top: auto;
    bottom: 8px;
    transform: none;
    width: auto;
    max-height: none;
    height: 62px;
    padding: 0 4px;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .tool { margin: 0 2px; }
  .tool-sep { width: 1px; height: 28px; margin: 0 4px; }
  #canvas-wrap { left: 8px; right: 8px; top: 68px; bottom: 78px; }
  #preview-card { display: none; }
  #zoombar { bottom: 8px; left: 8px; }
  .hint { top: 8px; font-size: 12px; }
}

@media (max-width: 480px) {
  #zoom-out, #zoom-in, #bg-toggle { display: none; }
  .export-btn span { display: none; }
  .export-btn { padding: 0 11px; }
  .export-body { grid-template-columns: 1fr; }
  #export-preview-box { width: 128px; height: 128px; }
  #export-preview-box svg { width: 104px; height: 104px; }
  .help-cols { grid-template-columns: 1fr; }
  .dlg-actions button { flex: 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

/* The artboard background choice also applies to the real-size previews,
   the layer thumbnails and the export preview. */
body[data-artboard="light"] .thumb,
body[data-artboard="light"] .checker { background: #ffffff; }
body[data-artboard="dark"] .thumb,
body[data-artboard="dark"] .checker { background: #1a1a1a; }