/* ============================================================
   Spectra Studio — UI
   ============================================================ */
* { box-sizing: border-box; }
:root {
  --bg: #06070b;
  --bg2: #0a0c13;
  --panel: rgba(15, 18, 27, 0.72);
  --panel-solid: #0d1019;
  --card: #11141f;
  --border: rgba(255, 255, 255, 0.075);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #e9ebf3;
  --muted: #8b93a8;
  --muted-2: #5f677c;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --accent-3: #f472b6;
  --danger: #ff5d6c;
  --ok: #38e8a4;
  --radius: 14px;
  --radius-sm: 10px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --display: "Space Grotesk", "Inter", "Segoe UI", system-ui, sans-serif;
  --grad: linear-gradient(135deg, #7c5cff 0%, #22d3ee 100%);
  --grad-soft: linear-gradient(135deg, rgba(124, 92, 255, 0.22), rgba(34, 211, 238, 0.10));
}

html, body { height: 100%; }
body {
  margin: 0;
  background:
    radial-gradient(1100px 500px at 12% -8%, rgba(124, 92, 255, 0.16), transparent 60%),
    radial-gradient(900px 500px at 96% 4%, rgba(34, 211, 238, 0.08), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

button, input, select, textarea { font-family: inherit; color: inherit; font-size: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 11.5px; }
h1, h2, h3 { font-family: var(--display); margin: 0; }

/* ---------- Topbar ---------- */
#topbar {
  height: 58px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(8, 9, 15, 0.72);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  position: relative;
  z-index: 30;
}
.brand { display: flex; align-items: center; gap: 10px; user-select: none; }
.brand-mark {
  height: 34px; border-radius: 8px;
  display: grid; place-items: center;
  padding: 0 2px;
  overflow: hidden;
}
.brand-mark img { height: 26px; display: block; }
.brand-name { font-family: var(--display); font-size: 17px; font-weight: 700; letter-spacing: -0.02em; }
.brand-name .viz {
  background: linear-gradient(120deg, #b44bff 0%, #8b2be2 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.badge-pro {
  font-size: 9px; font-weight: 800; letter-spacing: 0.14em;
  padding: 3px 7px; border-radius: 6px;
  background: var(--grad); color: #08080c;
}
.top-actions { display: flex; align-items: center; gap: 8px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  height: 34px; padding: 0 13px;
  border-radius: 9px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-weight: 500; font-size: 12.5px;
  transition: background 0.16s, border-color 0.16s, transform 0.08s, box-shadow 0.16s;
  white-space: nowrap;
}
.btn:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.22); }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--grad);
  border: none; color: #07080d; font-weight: 700;
  box-shadow: 0 6px 22px -8px rgba(124, 92, 255, 0.85);
}
.btn.primary:hover { filter: brightness(1.08); box-shadow: 0 8px 26px -8px rgba(34, 211, 238, 0.7); }
.btn.ghost { background: transparent; border-color: var(--border); color: var(--muted); }
.btn.ghost:hover { color: var(--text); border-color: var(--border-strong); background: rgba(255,255,255,0.04); }
.btn.danger { background: rgba(255, 93, 108, 0.12); border-color: rgba(255, 93, 108, 0.35); color: #ff9aa4; }
.btn.danger:hover { background: rgba(255, 93, 108, 0.2); }
.btn.small { height: 28px; padding: 0 10px; font-size: 11.5px; border-radius: 8px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.icon-btn {
  width: 34px; height: 34px; border-radius: 9px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  display: inline-grid; place-items: center;
  transition: 0.16s;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); background: rgba(255,255,255,0.07); }
.icon-btn.active { color: var(--accent-2); border-color: rgba(34, 211, 238, 0.45); background: rgba(34, 211, 238, 0.08); }
.icon-btn.play {
  background: var(--grad); border: none; color: #06070b;
  width: 38px; height: 38px; border-radius: 50%;
  box-shadow: 0 6px 20px -6px rgba(124, 92, 255, 0.9);
}
.mini-btn {
  height: 25px; padding: 0 8px; font-size: 10.5px;
  border-radius: 6px; border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04); color: var(--muted);
}
.mini-btn:hover { color: var(--text); border-color: rgba(255,255,255,0.26); }

/* ---------- Layout ---------- */
#layout {
  flex: 1; min-height: 0;
  display: grid;
  grid-template-columns: 258px minmax(0, 1fr) 326px;
}
.panel {
  background: var(--panel);
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
  min-height: 0;
}
#leftPanel { border-right: 1px solid var(--border); }
#rightPanel { border-left: 1px solid var(--border); }
.panel-scroll { height: 100%; overflow-y: auto; padding: 16px 14px 40px; }
.panel-title {
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted-2);
  margin: 0 0 10px 4px;
}

/* ---------- Left: templates & visual list ---------- */
.tpl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.tpl-card {
  border: 1px solid var(--border);
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.02);
  padding: 7px; text-align: left;
  transition: 0.16s;
}
.tpl-card:hover { border-color: var(--border-strong); background: rgba(255,255,255,0.05); transform: translateY(-1px); }
.tpl-card.active { border-color: rgba(124, 92, 255, 0.65); box-shadow: 0 0 0 1px rgba(124, 92, 255, 0.35), 0 8px 22px -14px rgba(124, 92, 255, 0.8); }
.tpl-chip { height: 44px; border-radius: 7px; margin-bottom: 6px; position: relative; overflow: hidden; }
.tpl-chip::after {
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(90deg, rgba(255,255,255,0.16) 0 2px, transparent 2px 7px);
  mask-image: linear-gradient(to top, black 0%, transparent 78%);
  -webkit-mask-image: linear-gradient(to top, black 0%, transparent 78%);
  opacity: 0.9;
  transform-origin: bottom;
}
.tpl-name { font-size: 11px; font-weight: 600; color: var(--text); padding-left: 2px; }

.vis-list { display: flex; flex-direction: column; gap: 3px; }
.vis-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 9px;
  border: 1px solid transparent;
  background: transparent; color: var(--muted);
  font-size: 12.5px; text-align: left;
  transition: 0.14s;
}
.vis-item svg { flex: 0 0 auto; opacity: 0.85; }
.vis-item:hover { background: rgba(255, 255, 255, 0.045); color: var(--text); }
.vis-item.active {
  background: var(--grad-soft);
  border-color: rgba(124, 92, 255, 0.35);
  color: var(--text); font-weight: 600;
}
.vis-item.active svg { color: var(--accent-2); opacity: 1; }

/* ---------- Center: stage & transport ---------- */
#centerCol {
  display: flex; flex-direction: column;
  min-width: 0; min-height: 0;
  padding: 16px 16px 10px; gap: 12px;
}
#stageWrap { flex: 1; min-height: 0; position: relative; display: flex; align-items: center; justify-content: center; }
#stageBox {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #04050a;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.07),
    0 40px 90px -30px rgba(0, 0, 0, 0.95),
    0 0 90px -30px rgba(124, 92, 255, 0.35);
}
#stage { display: block; width: 100%; height: 100%; }

#emptyState {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  background: radial-gradient(700px 380px at 50% 30%, rgba(124, 92, 255, 0.10), transparent 70%);
  border-radius: 16px;
  z-index: 5;
}
.empty-inner { text-align: center; max-width: 460px; padding: 24px; }
.empty-orb {
  width: 74px; height: 74px; margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--grad);
  filter: blur(1px);
  box-shadow: 0 0 80px rgba(124, 92, 255, 0.55), inset -10px -12px 30px rgba(0, 0, 0, 0.35);
  animation: orbPulse 3.2s ease-in-out infinite;
}
@keyframes orbPulse { 0%,100% { transform: scale(1); opacity: 0.9; } 50% { transform: scale(1.07); opacity: 1; } }
.empty-inner h2 { font-size: 22px; letter-spacing: -0.02em; margin-bottom: 8px; }
.empty-inner p { color: var(--muted); line-height: 1.6; font-size: 12.5px; margin: 0 0 18px; }
.empty-actions { display: flex; gap: 8px; justify-content: center; margin-bottom: 16px; }
.empty-hint { font-size: 10.5px; color: var(--muted-2); letter-spacing: 0.02em; }

#transport {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 12px;
  padding: 9px 14px;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: rgba(15, 18, 27, 0.7);
  backdrop-filter: blur(12px);
}
.time { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 11.5px; min-width: 34px; text-align: center; }
#seekBar {
  position: relative; flex: 1; height: 22px;
  display: flex; align-items: center; cursor: pointer;
}
#seekBar::before {
  content: ""; position: absolute; left: 0; right: 0; height: 4px;
  border-radius: 4px; background: rgba(255, 255, 255, 0.09);
}
#seekFill {
  position: absolute; left: 0; height: 4px; width: 0%;
  border-radius: 4px; background: var(--grad);
  box-shadow: 0 0 12px rgba(124, 92, 255, 0.6);
}
#seekKnob {
  position: absolute; left: 0%; width: 12px; height: 12px;
  border-radius: 50%; background: #fff;
  transform: translateX(-50%);
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.35), 0 2px 8px rgba(0, 0, 0, 0.6);
  opacity: 0; transition: opacity 0.15s;
}
#seekBar:hover #seekKnob, #seekBar.dragging #seekKnob { opacity: 1; }
.live-badge { color: var(--danger); font-size: 10px; font-weight: 700; letter-spacing: 0.1em; }
.beat-dot {
  width: 8px; height: 8px; border-radius: 50%; flex: 0 0 auto;
  background: var(--accent-2); opacity: 0.18;
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.85);
  transition: opacity 0.08s linear;
}
.vol-wrap { display: flex; align-items: center; gap: 7px; color: var(--muted); }
.vol-wrap input { width: 74px; }

/* ---------- Right panel controls ---------- */
.ex-section, .acc {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.018);
  margin-bottom: 8px;
  overflow: hidden;
}
.acc > summary {
  list-style: none; cursor: pointer;
  padding: 11px 12px;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; justify-content: space-between;
  user-select: none;
}
.acc > summary::-webkit-details-marker { display: none; }
.acc > summary:hover { color: var(--text); }
.acc > summary::after {
  content: ""; width: 7px; height: 7px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg); transition: transform 0.2s; margin-right: 3px; opacity: 0.7;
}
.acc[open] > summary { color: var(--text); border-bottom: 1px solid var(--border); }
.acc[open] > summary::after { transform: rotate(-135deg); }
.acc-body { padding: 12px; display: flex; flex-direction: column; gap: 12px; }

.ctl { display: flex; flex-direction: column; gap: 6px; }
.ctl-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.ctl label { font-size: 11.5px; color: var(--muted); }
.ctl .val { font-size: 10.5px; color: var(--accent-2); font-variant-numeric: tabular-nums; }
.ctl-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }

select, input[type="text"], .time-input {
  width: 100%; height: 32px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: #0c0f18;
  padding: 0 9px;
  font-size: 12px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
select:hover, input[type="text"]:hover { border-color: rgba(255, 255, 255, 0.24); }
select:focus, input[type="text"]:focus { border-color: rgba(124, 92, 255, 0.7); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.16); }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 14px) 13px, calc(100% - 9px) 13px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 26px; }

input[type="range"] {
  width: 100%; height: 22px; margin: 0;
  appearance: none; background: transparent; cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 4px; border-radius: 4px;
  background: rgba(255, 255, 255, 0.11);
}
input[type="range"]::-webkit-slider-thumb {
  appearance: none; width: 13px; height: 13px; margin-top: -4.5px;
  border-radius: 50%; background: #fff; border: none;
  box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.32);
  transition: box-shadow 0.15s;
}
input[type="range"]:hover::-webkit-slider-thumb { box-shadow: 0 0 0 5px rgba(124, 92, 255, 0.28); }
input[type="range"]::-moz-range-track { height: 4px; border-radius: 4px; background: rgba(255,255,255,0.11); }
input[type="range"]::-moz-range-thumb { width: 13px; height: 13px; border: none; border-radius: 50%; background: #fff; }

input[type="color"] {
  width: 100%; height: 32px; padding: 0;
  border: 1px solid var(--border-strong);
  border-radius: 8px; background: transparent; cursor: pointer;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 3px; }
input[type="color"]::-webkit-color-swatch { border-radius: 5px; border: none; }

/* switch */
.sw { display: flex; align-items: center; justify-content: space-between; gap: 10px; cursor: pointer; font-size: 11.5px; color: var(--muted); }
.sw input { appearance: none; width: 34px; height: 19px; border-radius: 20px; background: rgba(255,255,255,0.12); position: relative; margin: 0; cursor: pointer; transition: background 0.18s; flex: 0 0 auto; }
.sw input::after {
  content: ""; position: absolute; top: 2.5px; left: 2.5px;
  width: 14px; height: 14px; border-radius: 50%;
  background: #fff; transition: transform 0.18s;
}
.sw input:checked { background: var(--grad); }
.sw input:checked::after { transform: translateX(15px); }
.chk { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--muted); cursor: pointer; }
.chk input { accent-color: var(--accent); }
.chk-row { display: flex; gap: 14px; flex-wrap: wrap; }

.color-row { display: flex; gap: 8px; }
.color-row > div { flex: 1; }
.swatches { display: grid; grid-template-columns: repeat(8, 1fr); gap: 5px; }
.swatch { aspect-ratio: 1; border-radius: 6px; border: 1px solid rgba(255,255,255,0.16); padding: 0; transition: transform 0.12s; }
.swatch:hover { transform: scale(1.12); }

.src-btns { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.src-btns .btn { justify-content: center; height: 32px; font-size: 11.5px; padding: 0 8px; }
.url-row { display: flex; gap: 6px; }
.url-row input { flex: 1; height: 30px; font-size: 11px; }
.url-row .btn { height: 30px; }
.src-info { font-size: 10.5px; color: var(--muted-2); line-height: 1.5; word-break: break-word; }

.preset-manager { display: flex; flex-direction: column; gap: 8px; }
.preset-manager input[type="text"] { height: 30px; font-size: 11.5px; }
.preset-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.preset-actions .btn { height: 30px; font-size: 11px; justify-content: center; padding: 0 6px; }

/* ---------- Captions & AI ---------- */
.cap-area {
  width: 100%; min-height: 92px; resize: vertical;
  border-radius: 9px; border: 1px solid var(--border-strong);
  background: #0c0f18; color: var(--text);
  padding: 8px 9px; font-size: 11px; line-height: 1.55;
  font-family: var(--font); outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.cap-area:focus { border-color: rgba(124, 92, 255, 0.7); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.16); }
.cap-input {
  width: 100%; height: 29px; border-radius: 8px;
  border: 1px solid var(--border-strong); background: #0c0f18;
  padding: 0 8px; font-size: 11px; outline: none;
}
.cap-input:focus { border-color: rgba(124, 92, 255, 0.7); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.16); }
.mini-row { display: flex; gap: 6px; flex-wrap: wrap; }
.mini-row .btn { height: 29px; font-size: 10.5px; padding: 0 8px; flex: 1; justify-content: center; }
.ai-key-row { display: flex; gap: 6px; }
.ai-key-row input { flex: 1; min-width: 0; height: 31px; border-radius: 8px; border: 1px solid var(--border-strong); background: #0c0f18; padding: 0 8px; font-size: 11.5px; outline: none; }
.ai-key-row input:focus { border-color: rgba(124, 92, 255, 0.7); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.16); }
.btn.tiny { height: 31px; padding: 0 9px; font-size: 10.5px; }
.ai-status { font-size: 10.5px; line-height: 1.5; color: var(--muted); min-height: 14px; word-break: break-word; }
.ai-status.error { color: var(--danger); }
.ai-status.ok { color: var(--ok); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(3, 4, 8, 0.72);
  backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  animation: fadeIn 0.18s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-card {
  width: min(590px, 100%);
  max-height: min(88vh, 780px);
  display: flex; flex-direction: column;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(180deg, #12151f, #0b0d15);
  box-shadow: 0 40px 120px -20px rgba(0, 0, 0, 0.9), 0 0 70px -30px rgba(124, 92, 255, 0.45);
  animation: popIn 0.2s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
@keyframes popIn { from { transform: translateY(10px) scale(0.985); opacity: 0; } to { transform: none; opacity: 1; } }
.modal-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
}
.modal-head h2 { font-size: 18px; letter-spacing: -0.01em; }
.modal-head p { margin: 3px 0 0; }
.modal-body { padding: 16px 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 13px; }
.modal-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 14px 20px 18px;
  border-top: 1px solid var(--border);
}
.modal-foot .muted { max-width: 330px; line-height: 1.45; }

.ex-row { display: flex; flex-direction: column; gap: 6px; }
.ex-row > label { font-size: 11.5px; color: var(--muted); }
.ex-row.two { flex-direction: row; gap: 12px; }
.ex-row.two > div { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.ex-row.two label { font-size: 11.5px; color: var(--muted); }
.range-row { display: flex; align-items: center; gap: 6px; }
.range-row .time-input { width: 62px; text-align: center; font-variant-numeric: tabular-nums; }
.ex-note { font-size: 11px; color: var(--muted-2); line-height: 1.55; border-left: 2px solid rgba(124, 92, 255, 0.4); padding-left: 10px; }

.seg { display: flex; gap: 4px; background: rgba(255, 255, 255, 0.04); border: 1px solid var(--border); padding: 4px; border-radius: 10px; }
.seg button {
  flex: 1; height: 30px; border-radius: 7px; border: none;
  background: transparent; color: var(--muted); font-size: 11.5px; font-weight: 600;
  transition: 0.14s;
}
.seg button:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.seg button.active { background: var(--grad); color: #07080d; box-shadow: 0 3px 14px -5px rgba(124, 92, 255, 0.75); }
.seg button:disabled { opacity: 0.32; cursor: not-allowed; }

.ex-progress { height: 7px; border-radius: 7px; background: rgba(255, 255, 255, 0.08); overflow: hidden; }
#exProgressBar { height: 100%; width: 0%; background: var(--grad); transition: width 0.18s; box-shadow: 0 0 14px rgba(34, 211, 238, 0.7); }
.ex-progress-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 9px; }
#exProgressLabel { font-size: 11.5px; color: var(--muted); }

/* ---------- Toasts / drop ---------- */
#toasts { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; gap: 8px; z-index: 90; align-items: center; pointer-events: none; }
.toast {
  padding: 10px 15px; border-radius: 10px;
  background: rgba(18, 21, 32, 0.96);
  border: 1px solid var(--border-strong);
  box-shadow: 0 14px 40px -12px rgba(0, 0, 0, 0.8);
  font-size: 12px; color: var(--text);
  max-width: 480px; line-height: 1.45;
  animation: toastIn 0.22s ease;
  pointer-events: auto;
}
.toast.error { border-color: rgba(255, 93, 108, 0.5); color: #ffc3c8; }
.toast.ok { border-color: rgba(56, 232, 164, 0.4); }
@keyframes toastIn { from { transform: translateY(8px); opacity: 0; } to { transform: none; opacity: 1; } }

.drop-overlay {
  position: fixed; inset: 0; z-index: 70;
  background: rgba(6, 7, 12, 0.78);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
  pointer-events: none;
}
.drop-box {
  border: 2px dashed rgba(124, 92, 255, 0.7);
  border-radius: 20px;
  padding: 42px 64px;
  font-family: var(--display); font-size: 18px;
  color: var(--text);
  background: rgba(124, 92, 255, 0.06);
}

/* ---------- Scrollbars ---------- */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.10); border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); background-clip: padding-box; border: 2px solid transparent; }

/* ---------- Debug helpers (?wide shows all panels, ?pause renders one frame) ---------- */
body.debug-wide #leftPanel { display: block !important; }
body.debug-wide #rightPanel { display: block !important; }
body.debug-wide #layout { grid-template-columns: 258px minmax(0, 1fr) 326px !important; }
body.debug-wide .top-actions .btn { font-size: 12.5px; gap: 7px; }

/* ---------- Responsive ---------- */
@media (max-width: 1240px) {
  #layout { grid-template-columns: 228px minmax(0, 1fr) 300px; }
}
@media (max-width: 1000px) {
  #leftPanel { display: none; }
  #layout { grid-template-columns: minmax(0, 1fr) 300px; }
  #topbar .btn.ghost span, #topbar .btn.ghost { padding: 0 10px; }
  .top-actions .btn { font-size: 0; gap: 0; }
  .top-actions .btn svg { width: 16px; height: 16px; }
  .top-actions .btn.primary { font-size: 12px; gap: 6px; padding: 0 12px; }
}
@media (max-width: 760px) {
  #layout { grid-template-columns: 1fr; }
  #rightPanel { display: none; }
  .empty-inner h2 { font-size: 18px; }
}

/* ============================================================
   Theme: dark (default) / light — UI chrome only, canvas tidak berubah
   ============================================================ */
:root { color-scheme: dark; }
:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f5fb;
  --bg2: #eceef7;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-solid: #ffffff;
  --card: #ffffff;
  --border: rgba(18, 22, 36, 0.10);
  --border-strong: rgba(18, 22, 36, 0.18);
  --text: #151823;
  --muted: #5b6274;
  --muted-2: #8b91a2;
}

.theme-btn svg { display: none; }
.theme-btn .ico-sun { display: block; }
:root[data-theme="light"] .theme-btn .ico-sun { display: none; }
:root[data-theme="light"] .theme-btn .ico-moon { display: block; }

:root[data-theme="light"] body {
  background:
    radial-gradient(1100px 500px at 12% -8%, rgba(124, 92, 255, 0.10), transparent 60%),
    radial-gradient(900px 500px at 96% 4%, rgba(34, 211, 238, 0.12), transparent 55%),
    var(--bg);
}

:root[data-theme="light"] #topbar { background: rgba(255, 255, 255, 0.82); }
:root[data-theme="light"] #transport {
  background: rgba(255, 255, 255, 0.78);
  border-color: rgba(18, 22, 36, 0.10);
  box-shadow: 0 10px 30px -18px rgba(24, 30, 52, 0.35);
}
:root[data-theme="light"] .panel { background: rgba(255, 255, 255, 0.62); }
:root[data-theme="light"] #stageBox {
  background: #e8eaf2;
  box-shadow: 0 0 0 1px rgba(18, 22, 36, 0.08), 0 26px 60px -28px rgba(28, 34, 60, 0.45);
}
:root[data-theme="light"] #emptyState {
  background: radial-gradient(700px 380px at 50% 30%, rgba(124, 92, 255, 0.07), transparent 70%);
}
:root[data-theme="light"] .empty-orb { box-shadow: 0 0 60px rgba(124, 92, 255, 0.35), inset -10px -12px 30px rgba(0, 0, 0, 0.18); }

:root[data-theme="light"] .btn { background: rgba(18, 22, 36, 0.04); border-color: rgba(18, 22, 36, 0.14); }
:root[data-theme="light"] .btn:hover { background: rgba(18, 22, 36, 0.08); border-color: rgba(18, 22, 36, 0.24); }
:root[data-theme="light"] .btn.ghost { color: var(--muted); border-color: var(--border); }
:root[data-theme="light"] .btn.ghost:hover { color: var(--text); background: rgba(18, 22, 36, 0.05); }
:root[data-theme="light"] .icon-btn { background: rgba(18, 22, 36, 0.04); }
:root[data-theme="light"] .icon-btn:hover { background: rgba(18, 22, 36, 0.08); }
:root[data-theme="light"] .icon-btn.active { color: #0e7490; border-color: rgba(14, 116, 144, 0.45); background: rgba(14, 116, 144, 0.08); }
:root[data-theme="light"] .mini-btn { background: rgba(18, 22, 36, 0.04); border-color: rgba(18, 22, 36, 0.16); }
:root[data-theme="light"] .mini-btn:hover { border-color: rgba(18, 22, 36, 0.3); }
:root[data-theme="light"] .live-badge { color: #d92b3a; }
:root[data-theme="light"] .btn.danger { color: #b42318; border-color: rgba(180, 35, 24, 0.32); background: rgba(180, 35, 24, 0.08); }
:root[data-theme="light"] .btn.primary,
:root[data-theme="light"] .icon-btn.play { background: var(--grad); color: #07080d; border: none; }
:root[data-theme="light"] .seg button.active { background: var(--grad); color: #07080d; }
:root[data-theme="light"] .sw input:checked { background: var(--grad); }
:root[data-theme="light"] .tpl-card.active { border-color: rgba(124, 92, 255, 0.65); box-shadow: 0 0 0 1px rgba(124, 92, 255, 0.35), 0 8px 22px -14px rgba(124, 92, 255, 0.8); }

:root[data-theme="light"] .tpl-card { background: #ffffff; border-color: rgba(18, 22, 36, 0.12); }
:root[data-theme="light"] .tpl-card:hover { background: #f7f8fd; border-color: rgba(18, 22, 36, 0.2); }
:root[data-theme="light"] .tpl-chip::after { opacity: 0.55; }
:root[data-theme="light"] .vis-item:hover { background: rgba(18, 22, 36, 0.05); }
:root[data-theme="light"] .vis-item.active { background: rgba(124, 92, 255, 0.10); border-color: rgba(124, 92, 255, 0.35); }
:root[data-theme="light"] .acc { background: rgba(18, 22, 36, 0.025); border-color: var(--border); }
:root[data-theme="light"] .acc > summary { color: var(--muted); }

:root[data-theme="light"] select,
:root[data-theme="light"] input[type="text"],
:root[data-theme="light"] .time-input,
:root[data-theme="light"] .cap-input,
:root[data-theme="light"] .cap-area,
:root[data-theme="light"] .ai-key-row input {
  background: #ffffff;
  color: var(--text);
  border-color: rgba(18, 22, 36, 0.18);
}
:root[data-theme="light"] input[type="range"]::-webkit-slider-runnable-track { background: rgba(18, 22, 36, 0.14); }
:root[data-theme="light"] input[type="range"]::-moz-range-track { background: rgba(18, 22, 36, 0.14); }
:root[data-theme="light"] input[type="range"]::-webkit-slider-thumb { background: var(--accent); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.22); }
:root[data-theme="light"] input[type="range"]::-moz-range-thumb { background: var(--accent); box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.22); }
:root[data-theme="light"] .sw input { background: rgba(18, 22, 36, 0.18); }
:root[data-theme="light"] .sw input::after { background: #ffffff; }

:root[data-theme="light"] #seekBar::before { background: rgba(18, 22, 36, 0.14); }
:root[data-theme="light"] .ex-progress { background: rgba(18, 22, 36, 0.10); }

:root[data-theme="light"] .modal-card {
  background: linear-gradient(180deg, #ffffff, #f6f7fc);
  border-color: rgba(18, 22, 36, 0.14);
  box-shadow: 0 40px 100px -24px rgba(24, 30, 52, 0.45), 0 0 70px -30px rgba(124, 92, 255, 0.35);
}
:root[data-theme="light"] .modal-backdrop { background: rgba(24, 28, 45, 0.38); }
:root[data-theme="light"] .seg { background: rgba(18, 22, 36, 0.05); border-color: var(--border); }
:root[data-theme="light"] .seg button:hover { background: rgba(18, 22, 36, 0.06); }
:root[data-theme="light"] .toast {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(18, 22, 36, 0.16);
  box-shadow: 0 14px 40px -12px rgba(24, 30, 52, 0.35);
}
:root[data-theme="light"] .toast.error { color: #b42318; border-color: rgba(180, 35, 24, 0.35); }
:root[data-theme="light"] .toast.ok { border-color: rgba(5, 150, 105, 0.45); }
:root[data-theme="light"] .drop-overlay { background: rgba(244, 245, 251, 0.78); }
:root[data-theme="light"] .drop-box { background: rgba(124, 92, 255, 0.06); }

:root[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(18, 22, 36, 0.20); background-clip: padding-box; border: 2px solid transparent; border-radius: 8px; }
:root[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(18, 22, 36, 0.32); background-clip: padding-box; border: 2px solid transparent; border-radius: 8px; }


/* --- Auto Caption modal (v1.1 — gaya niqVID) --- */
.ai-field { display: flex; flex-direction: column; gap: 6px; }
.ai-field > label { font-size: 11.5px; color: var(--muted); }
.ai-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 560px) { .ai-row2 { grid-template-columns: 1fr; } }
.mini-row .btn.active { border-color: rgba(124, 92, 255, 0.8); color: #c9b8ff; background: rgba(124, 92, 255, 0.14); }
.ai-progress { height: 6px; border-radius: 99px; background: rgba(255, 255, 255, 0.08); overflow: hidden; margin-bottom: 6px; }
#aiProgressBar { height: 100%; width: 38%; border-radius: 99px; background: linear-gradient(90deg, #7c5cff, #22d3ee); animation: aiProgSlide 1.15s ease-in-out infinite; }
@keyframes aiProgSlide { 0% { transform: translateX(-110%); } 100% { transform: translateX(290%); } }
#btnAiTranscribe { height: 40px; padding: 0 20px; font-size: 13px; }
#aiKeyHint a { color: var(--accent-2); }