/* Clip Captioner — mobile-first shell. No framework, no CDN JS. */

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

:root {
  --bg: #0B0906;
  --panel: #0F0D09;
  --surf: #171310;
  --surf-2: #12100B;
  --line: #241E13;
  --line-2: #322A1D;
  --fg: #F4EEE0;
  --dim: #A99E86;
  --faint: #7A7160;
  --gold: #E8B34B;
  --accent: #FF4B2E;
  --ok: #A8E86B;

  --r: 10px;
  --r-sm: 8px;
  --tap: 44px;

  --sat: env(safe-area-inset-top, 0px);
  --sab: env(safe-area-inset-bottom, 0px);
  --sal: env(safe-area-inset-left, 0px);
  --sar: env(safe-area-inset-right, 0px);

  --head: Anton, "Archivo Black", Impact, sans-serif;
  --body: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--body);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}

button, input, textarea, select { font: inherit; color: inherit; }
button {
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform .09s ease, background-color .12s ease, border-color .12s ease, color .12s ease;
}
button:active:not(:disabled) { transform: scale(.965); }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 4px; }

/* ---------- shell ---------- */

.app {
  /* JS keeps --app-h on the visual viewport so the iOS keyboard compresses the
     layout instead of shoving it off screen. */
  height: 100vh;
  height: 100dvh;
  height: var(--app-h, 100dvh);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.topbar {
  flex: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  padding-top: calc(8px + var(--sat));
  padding-left: calc(12px + var(--sal));
  padding-right: calc(12px + var(--sar));
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.mark {
  width: 32px; height: 32px; flex: none;
  display: grid; place-items: center;
  background: var(--accent); color: #131008;
  font-family: var(--head); font-size: 17px;
  border-radius: 7px;
}
.wordmark { line-height: 1; min-width: 0; }
.wordmark b { display: block; font-family: var(--head); font-size: 16px; font-weight: 400; letter-spacing: .04em; white-space: nowrap; }
.wordmark span { display: block; font-size: 9px; letter-spacing: .15em; color: var(--faint); margin-top: 3px; white-space: nowrap; }
.topbar .spacer { flex: 1; }

/* segmented control */
.seg {
  display: flex; flex: none;
  background: var(--surf-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: 3px;
  gap: 2px;
}
.seg button {
  min-height: 40px;
  min-width: 44px;
  padding: 0 11px;
  border: none;
  border-radius: 7px;
  background: none;
  color: var(--dim);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.seg button[aria-pressed="true"] { background: var(--gold); color: #131008; }

.seg.wide { width: 100%; }
.seg.wide button { flex: 1; min-height: 44px; }

.iconbtn {
  flex: none; width: 44px; height: 44px; border-radius: var(--r-sm);
  border: 1px solid var(--line); background: var(--surf-2); color: var(--dim);
  font-size: 16px; cursor: pointer;
}
.iconbtn[aria-pressed="true"] { color: var(--gold); border-color: var(--gold); }

/* ---------- stage ---------- */

.center { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 0; min-width: 0; overflow: hidden; }

.stage {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  padding: 10px;
  background: radial-gradient(ellipse at 50% 38%, #16120C 0%, #0A0806 72%);
}
.frame {
  position: relative;
  background: #000;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 14px 44px rgba(0,0,0,.65);
}
.frame video, .frame canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.frame video { object-fit: cover; }
.frame canvas { touch-action: none; }

.empty {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  text-align: center; padding: 20px;
}
.empty h2 { font-family: var(--head); font-weight: 400; font-size: clamp(20px, 6vw, 30px); color: #574E3B; letter-spacing: .04em; margin: 0; }
.empty p { font-size: 13px; color: var(--faint); margin: 10px 0 18px; }
.dropping .stage { outline: 2px dashed var(--gold); outline-offset: -8px; }

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

.rail {
  flex: none;
  display: flex;
  gap: 8px;
  align-items: stretch;
  padding: 8px calc(10px + var(--sar)) 8px calc(10px + var(--sal));
  border-top: 1px solid var(--line);
  background: var(--panel);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.rail::-webkit-scrollbar { display: none; }
.clip {
  flex: none;
  width: 104px;
  position: relative;
  border: 2px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--surf-2);
  overflow: hidden;
  padding: 0;
  cursor: pointer;
  text-align: left;
  color: inherit;
}
.clip[aria-pressed="true"] { border-color: var(--gold); }
.clip .thumb { height: 58px; background: #14110C center/cover no-repeat; display: grid; place-items: center; color: var(--faint); font-size: 10px; }
.clip .meta { display: flex; align-items: center; gap: 5px; padding: 5px 6px; }
.clip .nm { flex: 1; min-width: 0; font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--dim); }
.clip[aria-pressed="true"] .nm { color: var(--fg); }
.clip .dur { font-size: 10px; color: var(--faint); font-variant-numeric: tabular-nums; }
.clip .idx { position: absolute; top: 4px; left: 4px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: rgba(0,0,0,.72); color: var(--gold); font-size: 10px; font-weight: 700; display: grid; place-items: center; }

.clip[data-off="1"] { opacity: .42; border-style: dashed; }
.clip[data-off="1"] .thumb { filter: grayscale(1); }
.inout {
  position: absolute; top: 4px; right: 4px;
  width: 26px; height: 26px; border-radius: 50%;
  background: rgba(0,0,0,.72); color: var(--fg);
  display: grid; place-items: center;
  font-size: 15px; font-weight: 700; line-height: 1;
  cursor: pointer;
}
.clip[data-off="1"] .inout { background: var(--gold); color: #131008; }

.railbtn {
  flex: none;
  width: 60px;
  min-height: var(--tap);
  border: 1px dashed var(--gold);
  border-radius: var(--r-sm);
  background: var(--surf);
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

/* ---------- transport ---------- */

.transport {
  flex: none;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px calc(12px + var(--sar)) 8px calc(12px + var(--sal));
  border-top: 1px solid var(--line);
  background: var(--panel);
}
.play {
  flex: none;
  width: var(--tap); height: var(--tap);
  border-radius: 50%;
  border: 1px solid var(--line-2);
  background: var(--surf);
  color: var(--gold);
  font-size: 15px;
  cursor: pointer;
}
.play:disabled { opacity: .4; }
.clock { flex: none; font-size: 12px; color: var(--dim); font-variant-numeric: tabular-nums; }

.timeline {
  flex: 1 1 auto;
  min-width: 0;
  height: 52px;
  position: relative;
  display: flex;
  gap: 3px;
  padding: 3px;
  background: var(--surf-2);
  border-radius: var(--r);
  touch-action: none;
  overflow: hidden;
}
.seg-clip {
  position: relative;
  height: 100%;
  min-width: 30px;
  flex: none;
  border: 2px solid var(--line-2);
  border-radius: 6px;
  overflow: hidden;
  background: #1C1710 center/auto 100% repeat-x;
}
.seg-clip[data-sel="1"] { border-color: var(--gold); }
.seg-clip .sd { position: absolute; left: 4px; bottom: 2px; font-size: 9px; font-weight: 700; text-shadow: 0 1px 3px #000; pointer-events: none; }
.playhead { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--accent); left: 0; pointer-events: none; box-shadow: 0 0 6px rgba(255,75,46,.9); }

/* ---------- sheet / panel ---------- */

.sheet {
  flex: none;
  display: none;
  flex-direction: column;
  min-height: 0;
  height: var(--sheet-h, 38vh);
  max-height: 84vh;
  background: var(--panel);
  border-top: 1px solid var(--line);
}
.sheet-grow {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line-2); background: var(--surf); color: var(--dim);
  font-size: 13px; line-height: 1; cursor: pointer;
}
.sheet[data-open="1"] { display: flex; animation: sheet-in .18s ease-out; }
@keyframes sheet-in { from { transform: translateY(14px); opacity: .4; } to { transform: none; opacity: 1; } }
.sheet-head {
  flex: none;
  border-bottom: 1px solid var(--line);
}
.grab { height: 22px; display: grid; place-items: center; cursor: ns-resize; touch-action: none; }
.grab > i { display: block; width: 42px; height: 4px; border-radius: 2px; background: var(--line-2); }
.grab:active > i, .grab:focus-visible > i { background: var(--gold); }
.sheet-row {
  display: flex; align-items: center; gap: 10px;
  padding: 0 calc(12px + var(--sar)) 10px calc(12px + var(--sal));
}
.minibtn {
  flex: none; width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line-2); background: var(--surf); color: var(--gold);
  font-size: 13px; cursor: pointer;
}
.minibtn:disabled { opacity: .4; }
.miniclock { flex: none; font-size: 11px; color: var(--dim); font-variant-numeric: tabular-nums; }
.minibar {
  flex: 1 1 auto; min-width: 0; height: 38px;
  position: relative; cursor: pointer; touch-action: none;
  display: flex; align-items: center;
}
.minibar::before {
  content: ""; position: absolute; left: 0; right: 0; height: 5px;
  border-radius: 3px; background: var(--surf-2);
}
.minibar > i { position: absolute; left: 0; height: 5px; width: 0; border-radius: 3px; background: var(--gold); }
.sheet-close {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--line-2); background: var(--surf); color: var(--dim);
  font-size: 16px; line-height: 1; cursor: pointer;
}
.sheet-body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 14px calc(14px + var(--sar)) 22px calc(14px + var(--sal));
}
.pane { display: none; }
.pane[data-active="1"] { display: block; }

/* ---------- tabbar ---------- */

.tabbar {
  flex: none;
  display: flex;
  border-top: 1px solid var(--line);
  background: var(--panel);
  padding-bottom: var(--sab);
  padding-left: var(--sal);
  padding-right: var(--sar);
}
.tabbar button {
  flex: 1;
  min-height: 54px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  border: none;
  background: none;
  color: var(--faint);
  font-size: 10px;
  letter-spacing: .04em;
  cursor: pointer;
  border-top: 2px solid transparent;
  margin-top: -1px;
}
.tabbar button .ic { font-size: 17px; line-height: 1; }
.tabbar button[aria-selected="true"] { color: var(--gold); border-top-color: var(--gold); background: #14110C; }
.tabbar button:disabled { opacity: .35; }

/* ---------- generic controls ---------- */

section.grp { margin-bottom: 24px; }
section.grp:last-child { margin-bottom: 0; }
.lbl { display: block; font-size: 11px; letter-spacing: .18em; color: var(--dim); text-transform: uppercase; margin-bottom: 9px; }
.hint { font-size: 12px; color: var(--faint); line-height: 1.55; margin: 9px 0 0; }

.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chips.two { display: grid; grid-template-columns: 1fr 1fr; }
.chips.row > * { flex: 1; }
.chip {
  min-height: var(--tap);
  padding: 0 13px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--surf);
  color: var(--dim);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chip[aria-pressed="true"] { background: var(--gold); color: #131008; border-color: var(--gold); }
.chip[data-on="1"] { color: var(--gold); border-color: var(--gold); }
.chip:disabled { opacity: .4; cursor: not-allowed; }

.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field > span { font-size: 12px; color: var(--dim); }
input[type="text"], input[type="number"], textarea {
  width: 100%;
  min-height: var(--tap);
  padding: 10px 12px;
  background: var(--surf-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  color: var(--fg);
  font-size: 16px; /* 16px keeps iOS from zooming on focus */
  line-height: 1.35;
}
textarea { resize: vertical; min-height: 76px; }
input:focus, textarea:focus { border-color: var(--gold); outline: none; }

.slider { display: flex; align-items: center; gap: 12px; min-height: var(--tap); }
.slider > span:first-child { flex: none; width: 46px; font-size: 12px; color: var(--dim); }
.slider > output { flex: none; width: 44px; text-align: right; font-size: 12px; color: var(--faint); font-variant-numeric: tabular-nums; }
input[type="range"] {
  -webkit-appearance: none; appearance: none;
  flex: 1; min-width: 0;
  height: var(--tap);
  background: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: var(--line-2); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 26px; height: 26px; margin-top: -10px;
  border-radius: 50%; background: var(--gold);
  border: 3px solid var(--panel);
  box-shadow: 0 1px 4px rgba(0,0,0,.6);
}
input[type="range"]::-moz-range-track { height: 6px; border-radius: 3px; background: var(--line-2); }
input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; border: 3px solid var(--panel); border-radius: 50%; background: var(--gold); }

input[type="color"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: var(--tap);
  padding: 3px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--surf-2);
  cursor: pointer;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 5px; }

.btn {
  width: 100%;
  min-height: var(--tap);
  padding: 12px;
  border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  background: var(--surf);
  color: var(--fg);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.btn.primary { background: var(--accent); color: #17100C; border-color: var(--accent); letter-spacing: .04em; }
.btn.ghost { background: none; color: var(--dim); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.swatches { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.swatch { width: var(--tap); height: var(--tap); border-radius: 50%; border: 3px solid var(--line-2); cursor: pointer; padding: 0; }
.swatch[aria-pressed="true"] { border-color: var(--fg); }

.split2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.split3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }

.bar { height: 8px; border-radius: 4px; background: var(--surf-2); overflow: hidden; margin-top: 12px; }
.bar > i { display: block; height: 100%; background: var(--accent); width: 0; transition: width .15s linear; }

.dl {
  display: block; text-align: center; margin-top: 12px;
  box-shadow: 0 0 0 0 rgba(168,232,107,.5);
  animation: dl-in .3s ease-out;
  min-height: var(--tap); padding: 13px;
  border-radius: var(--r-sm);
  background: #1E2E17; color: var(--ok); border: 1px solid #33501F;
  text-decoration: none; font-weight: 700; font-size: 14px;
}
@keyframes dl-in { from { transform: translateY(6px); opacity: 0; } to { transform: none; opacity: 1; } }

/* trim bar */
.trimbar {
  position: relative;
  height: 64px;
  margin: 4px 0 14px;
  border-radius: var(--r-sm);
  background: #1C1710 center/auto 100% repeat-x;
  border: 1px solid var(--line-2);
  overflow: hidden;
  touch-action: none;
}
.trimbar .cut { position: absolute; top: 0; bottom: 0; background: rgba(0,0,0,.66); pointer-events: none; }
.trimbar .keep { position: absolute; top: 0; bottom: 0; border-left: 3px solid var(--gold); border-right: 3px solid var(--gold); pointer-events: none; }
.trimbar .h {
  position: absolute; top: 0; bottom: 0; width: 40px;
  background: none; border: none; padding: 0; cursor: ew-resize;
  display: grid; place-items: center;
  color: #131008; font-size: 13px; font-weight: 700;
  touch-action: none;
}
.trimbar .h::before { content: ""; position: absolute; top: 0; bottom: 0; width: 20px; background: var(--gold); border-radius: 4px; }
.trimbar .h > i { position: relative; font-style: normal; }
.trimbar .ph { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--accent); pointer-events: none; }

/* toast */
.toast {
  position: fixed;
  left: 50%; transform: translateX(-50%);
  bottom: calc(84px + var(--sab));
  z-index: 50;
  max-width: min(92vw, 460px);
  padding: 12px 16px;
  border-radius: var(--r);
  background: #221A11;
  border: 1px solid var(--line-2);
  color: var(--fg);
  font-size: 13px;
  line-height: 1.45;
  box-shadow: 0 10px 30px rgba(0,0,0,.6);
}
.toast[data-kind="err"] { border-color: var(--accent); }

/* ---------- desktop ---------- */

@media (min-width: 900px) {
  .app { display: grid; grid-template-columns: 232px minmax(0, 1fr) 356px; grid-template-rows: auto minmax(0, 1fr); }
  .topbar { grid-column: 1 / -1; }
  .rail {
    grid-column: 1; grid-row: 2;
    flex-direction: column;
    overflow-x: hidden; overflow-y: auto;
    border-top: none; border-right: 1px solid var(--line);
    padding: 12px;
    align-content: start;
  }
  .clip { width: 100%; }
  .clip .thumb { height: 86px; }
  .railbtn { width: 100%; order: -1; }
  .center { grid-column: 2; grid-row: 2; display: flex; flex-direction: column; min-height: 0; min-width: 0; }
  .sheet {
    grid-column: 3; grid-row: 2;
    display: flex !important;
    height: auto; max-height: none;
    border-top: none; border-left: 1px solid var(--line);
  }
  .sheet-head { display: none; }
  .pane { display: block !important; padding-bottom: 26px; border-bottom: 1px solid var(--line); margin-bottom: 20px; }
  .pane:last-child { border-bottom: none; margin-bottom: 0; }
  .pane > h3 { margin: 0 0 14px; font-family: var(--head); font-weight: 400; font-size: 15px; letter-spacing: .06em; color: var(--fg); }
  .tabbar { display: none; }
  .toast { bottom: 26px; }
}
@media (max-width: 899px) {
  .pane > h3 { display: none; }
  /* With a panel open the rail and transport are reclaimed for the preview; the
     panel header carries its own play/scrub controls instead. */
  .app[data-sheet="1"] .rail,
  .app[data-sheet="1"] .transport { display: none; }
}
@media (max-width: 359px) {
  .wordmark span { display: none; }
  .wordmark b { font-size: 15px; }
  .seg button { padding: 0 8px; font-size: 12px; }
}

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