:root {
  color-scheme: dark;
  --bg: #050608;
  --panel: #080c0e;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f0ece4;
  --muted: #7a8288;
  --accent: #e8e4cc;
  --accent-soft: rgba(232, 228, 204, 0.12);
  --font-ui: "SF Mono", "Roboto Mono", "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --font-display: "Chakra Petch", "SF Mono", ui-monospace, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
}
.app { display: grid; grid-template-columns: minmax(0, 1fr) 390px; min-height: 100vh; transition: grid-template-columns .18s ease; }
.app.sidebar-collapsed { grid-template-columns: minmax(0, 1fr) 52px; }
.stage { position: relative; min-width: 0; background: radial-gradient(circle at 50% 55%, rgba(78,221,255,.16), transparent 42%), linear-gradient(145deg,#050506,#071827 55%,#020304); }
canvas { display: block; width: 100%; height: 100vh; }
.home-screen { position: absolute; inset: 0; display: grid; align-content: center; justify-items: start; gap: 18px; padding-left: clamp(28px,7vw,112px); background: radial-gradient(circle at 45% 58%, rgba(120,233,255,.1), transparent 35%), rgba(0,0,0,.18); z-index: 3; }
.home-screen.is-hidden { display: none; }
.home-screen .eyebrow { color: rgba(255,255,255,.58); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }
.home-actions { display: flex; gap: 10px; margin-top: 8px; }
.home-actions button, .home-upload { min-height: 42px; padding: 0 16px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.18); background: rgba(8,9,10,.64); color: var(--text); font-size: 13px; cursor: pointer; }
.home-upload input { display: none; }
.brand { position: absolute; left: clamp(28px,7vw,112px); top: clamp(28px,8vh,92px); pointer-events: none; }
.home-screen:not(.is-hidden) ~ .brand { display: none; }
.brand .eyebrow { margin-bottom: 16px; color: rgba(255,255,255,.58); font-size: 11px; letter-spacing: .18em; text-transform: uppercase; }
h1 { margin: 0; font-family: var(--font-display); font-size: clamp(42px,7vw,88px); font-weight: 400; line-height: .92; letter-spacing: 0.01em; text-shadow: 0 0 28px rgba(255,244,207,.24); }
.camera-cta { min-width: 150px; border-color: var(--accent); background: var(--accent-soft); color: var(--accent); box-shadow: 0 0 28px var(--accent-soft); }
.camera-cta.is-running { opacity: .42; }
.hint { position: absolute; left: 24px; bottom: 22px; color: rgba(255,255,255,.62); font-size: 12px; z-index: 4; }
.capture-actions { position: absolute; right: 24px; bottom: 22px; display: flex; gap: 8px; align-items: center; z-index: 4; }
.capture-actions button { min-height: 34px; padding: 0 14px; background: rgba(8,9,10,.58); backdrop-filter: blur(8px); }

/* ─── Panel ─────────────────────────────────────────────── */
.panel {
  height: 100vh;
  overflow: auto;
  padding: 20px 24px;
  border-left: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, #0a0f12 0%, #080c0e 40%, #070a0c 100%);
}
.app.sidebar-collapsed .panel { padding: 12px 8px; overflow: hidden; }
.app.sidebar-collapsed .panel > *:not(.panel-header) { display: none; }
.app.sidebar-collapsed .panel-header { border-bottom: 0; padding: 0; justify-content: center; }
.app.sidebar-collapsed .panel-title,
.app.sidebar-collapsed #randomize { display: none; }
.app.sidebar-collapsed .header-actions { display: grid; gap: 0; }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.header-actions { display: flex; gap: 8px; align-items: center; }
.panel-header p { margin: 0 0 4px; color: var(--muted); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; }
h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: .04em; }
.status { display: inline-block; margin-top: 9px; color: var(--accent); font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }

/* ─── Buttons & selects ─────────────────────────────────── */
button, select, input { font: inherit; }
button, .file-button, select { min-height: 36px; border: 1px solid var(--line); background: rgba(255,255,255,.03); color: var(--text); font-size: 13px; text-transform: none; }
button, .file-button { cursor: pointer; }
select { padding: 0 10px; appearance: none; -webkit-appearance: none; }

/* ─── Custom dropdown ──────────────────────────────────── */
.custom-select { position: relative; width: 100%; }
.custom-select select { display: none; }
.select-trigger {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 36px; padding: 0 10px;
  border: 1px solid var(--line); background: rgba(255,255,255,.03);
  color: var(--text); font-size: 13px; cursor: pointer;
  text-transform: none; letter-spacing: 0; white-space: nowrap; overflow: hidden;
}
.select-trigger:hover { border-color: rgba(255,255,255,.28); }
.select-trigger::after {
  content: ''; display: block; flex-shrink: 0;
  width: 0; height: 0; margin-left: 8px;
  border-left: 4px solid transparent; border-right: 4px solid transparent;
  border-top: 4px solid rgba(255,255,255,.4);
  transition: transform .15s ease;
}
.custom-select.open .select-trigger { border-color: rgba(255,255,255,.28); }
.custom-select.open .select-trigger::after { transform: rotate(180deg); }
.select-dropdown {
  display: none; position: absolute; top: calc(100% + 2px); left: 0; right: 0;
  z-index: 100; max-height: 240px; overflow-y: auto;
  background: #0c1114; border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
}
.custom-select.open .select-dropdown { display: block; }
.select-option {
  display: block; padding: 8px 10px;
  color: rgba(255,255,255,.6); font-size: 13px; cursor: pointer;
  text-transform: none; letter-spacing: 0;
  transition: background .1s, color .1s;
}
.select-option:hover { background: rgba(255,255,255,.06); color: var(--text); }
.select-option.active { color: var(--accent); background: rgba(232,228,204,.06); }
.icon-button { width: 38px; border-color: rgba(255,255,255,.16); font-size: 20px; }
.collapse-button { position: relative; font-size: 0; line-height: 1; }
.collapse-button::before {
  content: attr(data-icon);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 22px;
  line-height: 1;
  transform: translateY(-1px);
}
.group { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }
.group label, .file-button { display: grid; gap: 8px; color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.source-row .file-button, .source-row .outline-button { font-size: 13px; text-transform: none; letter-spacing: 0; }
.group select { width: 100%; }
.file-button { place-items: center; color: var(--text); font-size: 13px; }
.file-button input { display: none; }
.outline-button { background: transparent; }
.outline-button.is-active { border-color: var(--accent); color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent-soft), 0 0 18px var(--accent-soft); }
.file-button:hover, button:hover { border-color: rgba(255,255,255,.28); color: var(--text); }
.source-row, .two-up { grid-template-columns: 1fr 1fr; }
.compact-row { grid-template-columns: 1fr; }

/* ─── Sliders ───────────────────────────────────────────── */
.control-grid { display: grid; gap: 14px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.control-grid label { display: grid; grid-template-columns: 116px minmax(0,1fr); align-items: center; gap: 10px; color: rgba(255,255,255,.55); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
input[type="range"] { width: 100%; appearance: none; height: 14px; background: transparent; accent-color: var(--accent); }
input[type="range"]::-webkit-slider-runnable-track { height: 1px; border: 0; background: rgba(255,255,255,.18); }
input[type="range"]::-webkit-slider-thumb { appearance: none; width: 10px; height: 10px; margin-top: -5px; border-radius: 0; border: 0; background: var(--accent); }
input[type="range"]::-moz-range-track { height: 1px; border: 0; background: rgba(255,255,255,.18); }
input[type="range"]::-moz-range-thumb { width: 10px; height: 10px; border-radius: 0; border: 0; background: var(--accent); }
input[type="checkbox"] { accent-color: var(--accent); }

/* ─── Advanced ──────────────────────────────────────────── */
.advanced { margin-top: 18px; border-top: 1px solid var(--line); }
.advanced summary { cursor: pointer; padding-top: 16px; color: rgba(255,255,255,.55); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.advanced .control-grid { border-top: 0; margin-top: 0; }

/* ─── Color section ─────────────────────────────────────── */
.color-section { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.section-title { color: rgba(255,255,255,.55); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; margin-bottom: 10px; }
.color-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.5);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.swatches { display: flex; flex-wrap: wrap; gap: 0; justify-content: space-between; }
.swatch { width: 32px; height: 32px; border-radius: 0; background: var(--swatch); flex-shrink: 0; }
.swatch.active { outline: 2px solid var(--accent); outline-offset: 2px; }
.custom-color-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  color: rgba(255,255,255,.55);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.custom-color-row input {
  width: 100%;
  height: 28px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--custom-swatch, #7fdde8);
  cursor: pointer;
}
.color-picker-stack { display: grid; gap: 4px; }
.color-picker-stack i {
  display: block;
  height: 6px;
  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(90deg,#ff3b3b,#ffd84d,#6eff7b,#54e6ff,#6a7cff,#ef7cff,#ff3b3b);
}
.custom-color-row.active input { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ─── Toggles ───────────────────────────────────────────── */
.toggles { display: grid; grid-template-columns: 1fr; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); color: rgba(255,255,255,.55); font-size: 11px; letter-spacing: .08em; }

#video, #sample { display: none; }
@media (max-width: 860px) { body { overflow: auto; } .app { grid-template-columns: 1fr; } canvas, .panel { height: auto; min-height: 58vh; } }