:root {
  --bg: #12141a;
  --bg-2: #191c24;
  --bg-3: #21252f;
  --line: #2c3140;
  --line-2: #3a4152;
  --text: #e8ebf3;
  --muted: #98a1b4;
  --accent: #6ee7b7;
  --accent-2: #38bdf8;
  --warn: #fbbf24;
  --radius: 10px;
  --top: 48px;
  --tab-h: 46px;
  --rail-w: 62px;
  --side-w: 322px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 13.5px/1.45 "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  overflow: hidden;
  overscroll-behavior: none;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font: inherit; color: inherit; }
h4 {
  margin: 12px 0 2px;
  font-size: 11px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}
h4:first-child { margin-top: 0; }

.app {
  display: grid;
  grid-template-rows: var(--top) 1fr;
  height: 100dvh;
}

/* ------------------------------------------------------------------ topbar */

.topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 40;
}
.brand { font-weight: 700; letter-spacing: 0.2px; font-size: 15px; }
.brand span { color: var(--accent); }
.spacer { flex: 1; }

.chip {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  font-variant-numeric: tabular-nums;
}
.chip:hover { color: var(--text); border-color: var(--line-2); }

.icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
  font-size: 17px;
  cursor: pointer;
}
.icon-btn:hover { background: var(--bg-3); color: var(--text); }
.icon-btn[disabled] { opacity: 0.3; cursor: default; }
.icon-btn.on { background: #23324a; color: var(--accent); }

.menu-pop[hidden] { display: none; }
.menu-pop {
  position: absolute;
  top: calc(var(--top) - 4px);
  right: 10px;
  min-width: 210px;
  background: var(--bg-3);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 6px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.55);
  z-index: 60;
  display: grid;
  gap: 2px;
}
.menu-item {
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: 8px;
  padding: 9px 11px;
  cursor: pointer;
  color: var(--text);
}
.menu-item:hover { background: #2b3140; }
.menu-item.accent { color: var(--accent); }
.menu-sep { height: 1px; background: var(--line); margin: 5px 4px; }

/* ---------------------------------------------------------------- workspace */

.workspace {
  display: grid;
  grid-template-columns: var(--rail-w) minmax(0, 1fr) var(--side-w);
  min-height: 0;
  position: relative;
}

/* -------------------------------------------------------------------- rail */

.rail {
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 8px 0;
  overflow-y: auto;
  scrollbar-width: none;
}
.rail::-webkit-scrollbar { display: none; }

.tool {
  width: 46px;
  height: 46px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  display: grid;
  place-items: center;
  position: relative;
  flex: 0 0 auto;
}
.tool svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tool span {
  position: absolute;
  right: 4px;
  bottom: 2px;
  font-size: 9px;
  color: #59627a;
}
.tool:hover { background: var(--bg-3); color: var(--text); }
.tool.active { background: #22304a; border-color: #3b5b86; color: var(--accent); }
.tool.active span { color: #6d86ad; }

.rail-sep { width: 26px; height: 1px; background: var(--line); margin: 5px 0; flex: 0 0 auto; }

.tool.colours { border: 1px solid var(--line); background: var(--bg-3); margin-top: 4px; }
.tool.colours .dot {
  position: absolute;
  width: 17px;
  height: 17px;
  border-radius: 5px;
  border: 1px solid #0d1016;
}
.tool.colours .primary { left: 9px; top: 9px; z-index: 2; }
.tool.colours .secondary { right: 9px; bottom: 9px; }

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

.canvas-area {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-width: 0;
  background: radial-gradient(circle at 40% 15%, #1a1f2b 0%, #0e1116 75%);
  position: relative;
}

.quickbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  background: rgba(20, 23, 30, 0.9);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
}
.quickbar::-webkit-scrollbar { display: none; }
.q {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}
.q input[type="range"] { width: 84px; }
.q b { color: var(--text); font-size: 11px; width: 22px; text-align: right; font-variant-numeric: tabular-nums; }

.q-toggle {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-3);
  color: var(--muted);
  cursor: pointer;
  flex: 0 0 auto;
}
.q-toggle.on { color: var(--accent); border-color: #3b5b86; background: #22304a; }

.zoombox {
  display: flex;
  align-items: center;
  gap: 1px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1px;
}
.zoombox button {
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 12px;
}
.zoombox button:hover { background: #333a4b; }
.zoombox span {
  min-width: 48px;
  text-align: center;
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.stage-wrap {
  overflow: auto;
  display: grid;
  place-items: center;
  padding: 22px;
  min-height: 0;
}
.stage {
  line-height: 0;
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.55), 0 0 0 1px #39404f;
  cursor: crosshair;
  touch-action: none;
}
.stage.panning { cursor: grabbing; }
#screen {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  touch-action: none;
}

.statusbar {
  display: flex;
  gap: 14px;
  padding: 4px 12px 6px;
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

/* -------------------------------------------------------------------- side */

.side {
  background: var(--bg-2);
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
  z-index: 30;
}

.tabs {
  display: flex;
  gap: 2px;
  padding: 6px 6px 0;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
  flex: 0 0 auto;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  padding: 9px 6px 8px;
  font-size: 11.5px;
  letter-spacing: -0.1px;
  cursor: pointer;
  white-space: nowrap;
  border-radius: 7px 7px 0 0;
}
.tab:hover { color: var(--text); background: var(--bg-3); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); background: #1d2431; }

.sheet-body { overflow-y: auto; padding: 12px; min-height: 0; }
.pane { display: none; gap: 8px; }
.pane.active { display: grid; }

/* ------------------------------------------------------------------ inputs */

.row { display: flex; align-items: center; gap: 8px; }
.row.tight { gap: 6px; }
.row > label { color: var(--muted); font-size: 11.5px; min-width: 58px; flex: 0 0 auto; }
.row > b { color: var(--text); font-size: 11px; width: 26px; text-align: right; font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.row > span.x { color: var(--muted); }
input[type="range"] { flex: 1; min-width: 40px; accent-color: var(--accent); height: 22px; }

input[type="text"], input[type="number"], select, textarea {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 9px;
  width: 100%;
  outline: none;
  min-height: 34px;
}
input[type="number"] { -moz-appearance: textfield; }
input:focus, select:focus, textarea:focus { border-color: #4a5b7d; }
textarea { resize: vertical; }

input[type="color"] {
  width: 40px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg-3);
  cursor: pointer;
  flex: 0 0 auto;
}

.btn {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 10px;
  cursor: pointer;
  min-height: 34px;
  transition: background 0.12s, border-color 0.12s;
}
.btn:hover { background: #2b3140; border-color: var(--line-2); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: #1f6f5c; border-color: #2b8f77; }
.btn.primary:hover { background: #24836d; }

.toggle {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 7px 10px;
  cursor: pointer;
  min-height: 34px;
}
.toggle.on { background: #22304a; border-color: #3b5b86; color: var(--accent); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }

.hint { color: var(--muted); font-size: 11px; margin: 2px 0 0; line-height: 1.5; }
.hint-inline { color: #5f687c; font-size: 10px; text-transform: none; letter-spacing: 0; }

.segmented {
  display: flex;
  gap: 3px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 3px;
}
.seg {
  flex: 1;
  background: transparent;
  border: 0;
  border-radius: 8px;
  padding: 7px;
  color: var(--muted);
  cursor: pointer;
}
.seg.active { background: #22304a; color: var(--accent); }
.mode-block { display: grid; gap: 8px; }

/* ------------------------------------------------------------------ colour */

.colour-head { display: flex; gap: 8px; align-items: flex-start; }
.big-swatch {
  width: 54px;
  height: 54px;
  border-radius: 12px;
  border: 1px solid var(--line-2);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  padding: 0;
  background-image:
    linear-gradient(45deg, #262b36 25%, transparent 25%),
    linear-gradient(-45deg, #262b36 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #262b36 75%),
    linear-gradient(-45deg, transparent 75%, #262b36 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0;
}
.big-swatch.small { width: 40px; height: 40px; margin-top: 7px; }
.big-swatch i { position: absolute; inset: 0; display: block; background: transparent; }
.colour-fields { flex: 1; display: grid; gap: 6px; min-width: 0; }
.colour-fields .row { gap: 6px; }
.colour-fields .btn { flex: 1; }

.palette { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; }
.palette button {
  aspect-ratio: 1;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  cursor: pointer;
  padding: 0;
  min-height: 26px;
}
.palette button:hover { transform: scale(1.1); }
.palette button.sel { outline: 2px solid var(--accent); outline-offset: 1px; }

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

.layers { display: grid; gap: 5px; max-height: 46vh; overflow-y: auto; }
.layer {
  display: grid;
  grid-template-columns: 22px 36px 1fr 22px;
  align-items: center;
  gap: 7px;
  padding: 5px 7px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg-3);
  cursor: pointer;
}
.layer.active { border-color: #3b5b86; background: #1d2739; }
.layer .eye, .layer .lock { background: none; border: 0; cursor: pointer; color: var(--muted); padding: 0; font-size: 13px; }
.layer .eye.on { color: var(--accent); }
.layer .lock.on { color: var(--warn); }
.layer canvas {
  width: 36px;
  height: 36px;
  border-radius: 5px;
  background: #0c0f14;
  image-rendering: pixelated;
  border: 1px solid #2f3546;
}
.layer .name { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.presets-row { display: flex; flex-wrap: wrap; gap: 5px; }
.presets-row button { padding: 5px 9px; font-size: 11px; }

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

#toast {
  position: fixed;
  left: 50%;
  bottom: 26px;
  transform: translateX(-50%) translateY(16px);
  background: #22283a;
  border: 1px solid var(--line-2);
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s, transform 0.18s;
  z-index: 90;
  max-width: 78vw;
  text-align: center;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ------------------------------------------------------------------- modal */

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 14, 0.72);
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 18px;
}
.modal {
  width: min(420px, 100%);
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6);
  overflow: hidden;
}
.modal h3 { margin: 0; padding: 14px 16px; font-size: 14px; border-bottom: 1px solid var(--line); }
.modal .content { padding: 16px; display: grid; gap: 12px; }
.modal .actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  background: var(--bg);
}

/* -------------------------------------------------------------- zen / full */

.app.zen .rail,
.app.zen .side,
.app.zen .quickbar,
.app.zen .statusbar { display: none; }
.app.zen .workspace { grid-template-columns: minmax(0, 1fr); }
.app.zen .stage-wrap { padding: 8px; }

/* ------------------------------------------------------------------ mobile */

@media (max-width: 880px) {
  :root { --rail-w: 54px; }

  .workspace { grid-template-columns: var(--rail-w) minmax(0, 1fr); }
  .tool { width: 42px; height: 42px; }
  .brand { font-size: 14px; }
  .chip { display: none; }

  .side {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    border-left: 0;
    border-top: 1px solid var(--line-2);
    border-radius: 14px 14px 0 0;
    max-height: 66dvh;
    transform: translateY(calc(100% - var(--tab-h) - 8px));
    transition: transform 0.22s ease;
    box-shadow: 0 -12px 30px rgba(0, 0, 0, 0.45);
  }
  .side.open { transform: translateY(0); }
  .tabs { padding: 6px 8px 0; }
  .tab { padding: 10px 8px; }
  .sheet-body { padding: 12px 12px calc(12px + env(safe-area-inset-bottom)); }
  .canvas-area { grid-template-rows: auto minmax(0, 1fr); }
  .statusbar { display: none; }
  .q input[type="range"] { width: 62px; }
  .layers { max-height: 30vh; }
}

/* ---------------------------------------------------------------- stickers */

.sticker-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  max-height: 232px;
  overflow-y: auto;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
}
.sticker {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 0;
  font-size: 17px;
  line-height: 1;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 7px;
  cursor: pointer;
}
.sticker:hover { background: #2b3140; }
.sticker.sel { border-color: var(--accent); background: #22304a; }

.status-hint { margin-left: auto; color: #5f687c; }
@media (max-width: 880px) { .status-hint { display: none; } }

/* -------------------------------------------------------------- font picker */

.font-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
  max-height: 186px;
  overflow-y: auto;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
}
.font-item {
  padding: 9px 7px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  line-height: 1.1;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  text-align: left;
}
.font-item:hover { background: #2b3140; }
.font-item.sel { border-color: var(--accent); background: #22304a; color: var(--accent); }

/* ------------------------------------------------------- inline text editor */

.text-overlay {
  position: absolute;
  z-index: 45;
  display: flex;
  gap: 6px;
  align-items: center;
  padding: 7px;
  background: #1d2330;
  border: 1px solid var(--accent);
  border-radius: 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.55);
}
.text-overlay[hidden] { display: none; }
.text-overlay input {
  width: 200px;
  min-height: 34px;
  background: var(--bg);
  border-color: var(--line-2);
}
.text-overlay .btn { min-height: 34px; padding: 6px 10px; }

/* ------------------------------------------------------------ design polish */

.stage-wrap {
  background-image:
    radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.05) 1px, transparent 0);
  background-size: 22px 22px;
}

.stage {
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.6), 0 0 0 1px #3d4557, 0 0 0 6px rgba(255, 255, 255, 0.02);
  border-radius: 2px;
}

.btn { border-radius: 10px; }
.btn.primary {
  background: linear-gradient(180deg, #279b80, #1f6f5c);
  border-color: #2b8f77;
  color: #eafff7;
  font-weight: 600;
}
.btn.primary:hover { background: linear-gradient(180deg, #2cae8f, #24836d); }

.tabs { background: linear-gradient(180deg, #1b1f28, transparent); }
.tab.active { background: #1d2431; }

.font-item.unavailable {
  opacity: 0.45;
  border-style: dashed;
}

.topbar { box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03); }
.brand span { text-shadow: 0 0 18px rgba(110, 231, 183, 0.45); }

/* font tiles: never clip the typeface */
.font-item {
  display: flex;
  align-items: center;
  min-height: 40px;
  padding: 8px 9px;
  font-size: 13.5px;
  line-height: 1.25;
  overflow: hidden;
}