:root {
  --bg: #000;
  --panel: rgba(18, 10, 36, 0.92);
  --text: #f3e9ff;
  --muted: #a592c9;
  --accent: #ff5fd2;
  --accent2: #7c5cff;
  --border: rgba(255, 95, 210, 0.25);
  --radius: 10px;
  --font: "Segoe UI", system-ui, sans-serif;
}

[data-theme="ember"] {
  --panel: rgba(30, 16, 10, 0.94);
  --text: #ffe9d6;
  --muted: #b08a74;
  --accent: #ff8a3d;
  --accent2: #ffd166;
  --border: rgba(255, 138, 61, 0.28);
}

[data-theme="glacier"] {
  --panel: rgba(8, 22, 34, 0.94);
  --text: #e4f6ff;
  --muted: #7d9fb3;
  --accent: #5ee6ff;
  --accent2: #7aa2ff;
  --border: rgba(94, 230, 255, 0.24);
}

[data-theme="terminal"] {
  --panel: rgba(4, 12, 4, 0.95);
  --text: #b8ffc4;
  --muted: #4f9a5e;
  --accent: #39ff6a;
  --accent2: #b8ff9f;
  --border: rgba(57, 255, 106, 0.3);
  --radius: 2px;
  --font: Consolas, "Courier New", monospace;
}

[data-theme="paper"] {
  --panel: rgba(251, 247, 239, 0.96);
  --text: #2a2320;
  --muted: #7a6d61;
  --accent: #b4432b;
  --accent2: #d9a441;
  --border: rgba(42, 35, 32, 0.18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.35 var(--font);
}

#view {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  display: block;
  touch-action: none;
  cursor: grab;
}

#view:active { cursor: grabbing; }

.notice {
  position: fixed;
  inset: auto 16px 16px auto;
  margin: 0;
  padding: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

#panel {
  position: fixed;
  top: 12px;
  right: 12px;
  bottom: 12px;
  width: 310px;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 0 30px -8px var(--accent);
}

#panel[hidden], #btn-show[hidden] { display: none; }

.panel-head {
  padding: 12px 14px 10px;
  border-bottom: 1px solid var(--border);
}

.panel-head h1 {
  margin: 0 0 8px;
  font-size: 17px;
  letter-spacing: 0.04em;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.panel-body {
  overflow-y: auto;
  padding: 4px 14px 14px;
  scrollbar-width: thin;
}

details {
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
}

summary {
  cursor: pointer;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent);
  padding: 4px 0;
}

details > *:not(summary) { margin-top: 8px; }

button, select {
  font: inherit;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 8px;
  cursor: pointer;
}

button:hover, select:hover { border-color: var(--accent); }

button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: 2px;
}

.row {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}
.row.two { grid-template-columns: repeat(2, 1fr); }
.row.three { grid-template-columns: repeat(3, 1fr); }
.row.four { grid-template-columns: repeat(2, 1fr); }

.row button, .pad button { width: 100%; }

.pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-top: 8px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.chip {
  padding: 5px 9px;
  font-size: 13px;
}

.chip.active, .chip[aria-pressed="true"] {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border-color: transparent;
  color: #111;
  font-weight: 600;
}

.swatches .chip {
  min-width: 68px;
  min-height: 34px;
  text-shadow: 0 1px 2px #000;
  color: #fff;
  border-color: transparent;
}

.swatches .chip.active {
  outline: 2px solid var(--text);
  outline-offset: 1px;
  color: #fff;
  background-clip: padding-box;
}

.field {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2px 8px;
  margin-top: 10px;
}

.field span { color: var(--muted); }
.field output { font-variant-numeric: tabular-nums; color: var(--text); }
.field input, .field select { grid-column: 1 / -1; width: 100%; }
.field select { padding: 6px; }

input[type="range"] {
  accent-color: var(--accent);
  margin: 4px 0 0;
}

input[type="checkbox"] { accent-color: var(--accent); }

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  cursor: pointer;
}

.color-pick {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4px 8px;
  color: var(--muted);
}

.color-pick input { width: 36px; height: 26px; border: 0; background: none; padding: 0; cursor: pointer; }

.dim { opacity: 0.4; }

#julia-box .chips { margin-top: 10px; }

.stats {
  margin: 8px 0 0;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
}

.keys { margin: 8px 0 0; padding-left: 18px; line-height: 1.8; color: var(--muted); }
kbd {
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 4px;
  color: var(--text);
}

#btn-show {
  position: fixed;
  right: 12px;
  bottom: 12px;
  background: var(--panel);
}

@media (max-width: 720px) {
  #panel {
    top: auto;
    left: 0;
    right: 0;
    bottom: 0;
    width: auto;
    max-height: 48vh;
    border-radius: var(--radius) var(--radius) 0 0;
  }
  #btn-show { bottom: auto; top: 12px; }
}