/* Grade: a colour-grading tool. Neutral surfaces with no hue bias (the footage is the only colour on screen),
   three depths of grey, one light accent for what is active, native macOS type with tabular figures for every
   number. Clip bin | viewer | grade panel. Dark only, on purpose. */
:root {
  --well: #111111;
  --surface: #1a1a1a;
  --raised: #242424;
  --hover: #2c2c2c;
  --pressed: #353535;
  --line: #262626;
  --line-2: #333333;
  --ink: #ededed;
  --ink-2: #a3a3a3;
  --ink-3: #6f6f6f;
  --ink-4: #4b4b4b;
  --mark: #f4f4f4;
  --ok: #7cc28e;
  --warn: #d9a650;
  --bad: #e07a6b;
  --cool: #6d9be0;
  --warm: #e2a55a;
  --green: #74b580;
  --magenta: #c46fc8;
  --ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --h: 28px;
  --r: 6px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--surface); color: var(--ink); font: 13px/1.4 var(--ui); letter-spacing: -0.003em;
  display: grid; grid-template-rows: auto 1fr; overflow: hidden; -webkit-font-smoothing: antialiased;
}
button, select, input { font: inherit; color: inherit; }
svg { width: 16px; height: 16px; fill: currentColor; flex: none; }
.cap { font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.count, .tc, .num, .mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 5px; border: 3px solid var(--surface); }
::-webkit-scrollbar-track { background: transparent; }

/* ---- buttons, selects ----------------------------------------------------------------------------------- */
.btn {
  height: var(--h); padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  background: var(--raised); border: 1px solid var(--line-2); border-radius: var(--r); cursor: pointer;
  font-size: 12.5px; font-weight: 500; white-space: nowrap; transition: background .12s, border-color .12s;
}
.btn:hover:not(:disabled) { background: var(--hover); border-color: #3d3d3d; }
.btn:active:not(:disabled) { background: var(--pressed); }
.btn:disabled { color: var(--ink-3); cursor: default; }
.btn svg { width: 14px; height: 14px; }
.btn.primary { background: var(--mark); color: #141414; border-color: var(--mark); font-weight: 600; }
.btn.primary:hover:not(:disabled) { background: #ffffff; border-color: #ffffff; }
.btn.primary:disabled { background: var(--raised); color: var(--ink-3); border-color: var(--line-2); font-weight: 500; }
.btn.wide { width: 100%; }
.link { background: none; border: 0; padding: 2px 4px; color: var(--ink-3); font-size: 12px; cursor: pointer; border-radius: 4px; }
.link:hover { color: var(--ink); }
.icon-btn {
  width: 30px; height: 30px; display: inline-grid; place-items: center; border: 0; border-radius: var(--r);
  background: transparent; color: var(--ink-2); cursor: pointer; transition: background .12s, color .12s;
}
.icon-btn:hover { background: var(--raised); color: var(--ink); }
.icon-btn[aria-pressed="false"] { color: var(--ink-4); }
.icon-btn[aria-pressed="false"]:hover { color: var(--ink-2); }
.icon-btn.play { width: 34px; height: 34px; background: var(--raised); color: var(--ink); border-radius: 50%; }
.icon-btn.play:hover { background: var(--hover); }
.select { position: relative; display: inline-flex; align-items: center; }
.select select {
  appearance: none; -webkit-appearance: none; height: var(--h); padding: 0 30px 0 10px; width: 100%;
  background: var(--raised); border: 1px solid var(--line-2); border-radius: var(--r); cursor: pointer; font-size: 12.5px;
}
.select select:hover { background: var(--hover); }
.select svg { position: absolute; right: 8px; width: 14px; height: 14px; pointer-events: none; color: var(--ink-2); }
.select.wide { display: flex; width: 100%; }
button:focus-visible, select:focus-visible, input:focus-visible { outline: 2px solid var(--mark); outline-offset: 2px; }
kbd {
  font-family: var(--ui); font-size: 11px; min-width: 20px; height: 19px; padding: 0 5px; display: inline-grid; place-items: center;
  border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 4px; color: var(--ink-2); background: var(--raised);
}

/* ---- top bar --------------------------------------------------------------------------------------------- */
.bar { display: flex; align-items: center; gap: 14px; height: 48px; padding: 0 14px; border-bottom: 1px solid var(--line); background: var(--surface); min-width: 0; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 650; font-size: 14px; letter-spacing: -0.01em; padding-right: 6px; }
.logo { width: 18px; height: 18px; border-radius: 50%; background: conic-gradient(from 210deg, var(--cool), var(--green), var(--warm), var(--magenta), var(--cool)); box-shadow: inset 0 0 0 4px var(--surface); outline: 1px solid var(--line-2); }
.bar-field { display: flex; align-items: center; gap: 8px; }
.bar-field .select select { min-width: 170px; }
.status { margin: 0 0 0 auto; color: var(--ink-2); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }

/* ---- layout ---------------------------------------------------------------------------------------------- */
.work { display: grid; grid-template-columns: 292px minmax(0, 1fr) 320px; min-height: 0; }
.bin, .panel { min-height: 0; overflow: auto; background: var(--surface); }
.bin { border-right: 1px solid var(--line); }
.panel { border-left: 1px solid var(--line); }

/* ---- clip bin -------------------------------------------------------------------------------------------- */
.bin-head { display: grid; gap: 9px; padding: 10px 10px 10px 14px; position: sticky; top: 0; z-index: 2; background: var(--surface); border-bottom: 1px solid var(--line); }
.bin-row { display: flex; align-items: center; gap: 8px; min-height: 20px; }
.bin-head .count { color: var(--ink-3); font-size: 11.5px; }
.bin-head .link { margin-left: auto; }
.seg.small { display: grid; grid-template-columns: repeat(3, 1fr); }
.seg.small button { height: 22px; padding: 0 6px; font-size: 11.5px; }
.clip-list { list-style: none; margin: 0; padding: 6px; display: grid; gap: 2px; }
.clip {
  all: unset; box-sizing: border-box; width: 100%; cursor: pointer; position: relative; display: grid; grid-template-columns: 92px minmax(0, 1fr);
  gap: 11px; padding: 7px; border-radius: 8px; border: 1px solid transparent; transition: background .1s;
}
.clip:hover { background: var(--raised); }
.clip[aria-pressed="true"] { background: var(--raised); border-color: var(--line-2); }
.clip.primary-clip { border-color: var(--ink-3); }
.clip:focus-visible { outline: 2px solid var(--mark); outline-offset: 1px; }
.thumb { width: 92px; height: 52px; border-radius: 4px; background: var(--well); object-fit: contain; display: block; }
.info { display: grid; gap: 3px; align-content: center; min-width: 0; }
.title-row { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.title-row b { font-family: var(--mono); font-weight: 600; font-size: 13px; }
.title-row span { color: var(--ink-3); font-size: 11.5px; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sub-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.profile { font-size: 10px; font-weight: 600; letter-spacing: 0.04em; padding: 1px 6px; border-radius: 4px; background: var(--line-2); color: var(--ink-2); white-space: nowrap; }
.state { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; color: var(--ink-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.state::before { content: ""; width: 7px; height: 7px; border-radius: 50%; box-shadow: inset 0 0 0 1.5px var(--ink-4); flex: none; }
.state.ok { color: var(--ink-2); }
.state.ok::before { background: var(--ok); box-shadow: none; }
.state.changed::before { background: var(--warn); box-shadow: none; }
.state.busy::before { background: var(--mark); box-shadow: none; }
.state.bad { color: var(--bad); }
.state.bad::before { background: var(--bad); box-shadow: none; }
.progress { position: absolute; left: 8px; right: 8px; bottom: 3px; height: 2px; border-radius: 1px; background: var(--line-2); overflow: hidden; }
.progress i { display: block; height: 100%; background: var(--mark); transition: width .3s; }

/* ---- viewer ---------------------------------------------------------------------------------------------- */
.stage { display: grid; grid-template-rows: minmax(0, 1fr) auto; min-height: 0; min-width: 0; background: var(--well); }
.frame { position: relative; display: grid; grid-template: minmax(0, 1fr) / minmax(0, 1fr); place-items: center; min-height: 0; padding: 20px; overflow: hidden; }
.frame canvas { max-width: 100%; max-height: 100%; width: auto; height: auto; display: block; background: #000; box-shadow: 0 0 0 1px #000, 0 18px 50px rgba(0,0,0,.55); }
.frame.splitting canvas { cursor: ew-resize; }
.empty { position: absolute; color: var(--ink-3); margin: 0; font-size: 13px; }
.split-line { position: absolute; width: 1px; background: var(--mark); pointer-events: none; box-shadow: 0 0 0 .5px rgba(0,0,0,.4); }
.tag {
  position: absolute; font-size: 10.5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 8px;
  border-radius: 4px; background: rgba(10,10,10,.6); color: #f2f2f2; pointer-events: none; backdrop-filter: blur(6px);
}
.transport { display: flex; align-items: center; gap: 12px; height: 56px; padding: 0 16px; border-top: 1px solid var(--line); background: var(--surface); }
.tc { font-size: 12px; color: var(--ink); letter-spacing: 0.02em; }
.tc.dim { color: var(--ink-3); }
.scrub-rail { flex: 1; }
.seg { display: inline-flex; padding: 2px; gap: 2px; border-radius: 8px; background: var(--raised); border: 1px solid var(--line-2); }
.seg button { height: 24px; padding: 0 11px; border: 0; border-radius: 6px; background: transparent; color: var(--ink-2); font-size: 12px; font-weight: 500; cursor: pointer; }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { background: var(--pressed); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.35); }
#video { display: none; }
.quality {
  height: 26px; padding: 0 10px; border-radius: 6px; border: 1px solid var(--line-2); background: transparent; color: var(--ink-3);
  font-size: 11.5px; font-weight: 600; letter-spacing: .02em; cursor: pointer; white-space: nowrap; transition: background .12s, color .12s, border-color .12s;
}
.quality:hover { color: var(--ink); border-color: #3d3d3d; }
.quality[aria-pressed="true"] { background: var(--mark); color: #141414; border-color: var(--mark); }
.quality.fallback { background: transparent; color: var(--warn); border-color: var(--warn); }
.stage:fullscreen { background: #000; grid-template-rows: minmax(0, 1fr) auto; }
.stage:fullscreen .frame { padding: 0; }
.stage:fullscreen .frame canvas { box-shadow: none; }
.stage:fullscreen .transport { background: rgba(14,14,14,.92); border-top-color: #222; }

/* ---- rails: one look for every slider --------------------------------------------------------------------- */
.rail { position: relative; display: block; height: 18px; --a: 0%; --b: 0%; --fill: var(--mark); --track: var(--line-2); }
.rail::before {
  content: ""; position: absolute; left: 0; right: 0; top: 50%; height: 3px; margin-top: -1.5px; border-radius: 2px;
  background: linear-gradient(to right, var(--track) var(--a), var(--fill) var(--a), var(--fill) var(--b), var(--track) var(--b));
}
.rail.temp::before { background: linear-gradient(to right, var(--cool), #9a9a9a 50%, var(--warm)); opacity: .9; }
.rail.tint::before { background: linear-gradient(to right, var(--green), #9a9a9a 50%, var(--magenta)); opacity: .9; }
.rail .tick { position: absolute; top: 50%; width: 1px; height: 9px; margin-top: -4.5px; background: var(--ink-3); pointer-events: none; }
.rail input[type="range"] { position: relative; z-index: 1; -webkit-appearance: none; appearance: none; width: 100%; height: 18px; margin: 0; background: transparent; cursor: pointer; }
.rail input[type="range"]::-webkit-slider-runnable-track { height: 18px; background: transparent; }
.rail input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 13px; height: 13px; margin-top: 2.5px; border-radius: 50%; background: var(--mark);
  box-shadow: 0 0 0 3px var(--surface), 0 1px 3px rgba(0,0,0,.6); transition: transform .1s;
}
.rail input[type="range"]:hover::-webkit-slider-thumb { transform: scale(1.12); }
.rail input[type="range"]:active::-webkit-slider-thumb { transform: scale(1.2); }
.rail input[type="range"]::-moz-range-track { height: 18px; background: transparent; }
.rail input[type="range"]::-moz-range-thumb { width: 13px; height: 13px; border: 0; border-radius: 50%; background: var(--mark); box-shadow: 0 0 0 3px var(--surface); }
.rail input[type="range"]:focus-visible { outline: none; }
.rail input[type="range"]:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 3px var(--surface), 0 0 0 5px var(--mark); }
/* ---- grade panel ------------------------------------------------------------------------------------------ */
.panel-head { display: grid; gap: 5px; padding: 14px 16px 12px; border-bottom: 1px solid var(--line); }
.panel-head h2 { margin: 0; font-family: var(--mono); font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.meta { display: flex; flex-wrap: wrap; gap: 4px; }
.meta span { font-size: 11px; padding: 1px 6px; border-radius: 4px; background: var(--raised); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.meta span:first-child { background: var(--line-2); color: var(--ink); font-weight: 600; }
.group { display: grid; gap: 10px; padding: 12px 16px 14px; border-bottom: 1px solid var(--line); }
.group-head { display: flex; align-items: center; justify-content: space-between; min-height: 18px; }
.controls { display: grid; gap: 10px; }
.ctl { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 2px 8px; }
.ctl-label { font-size: 12.5px; color: var(--ink-2); cursor: ew-resize; user-select: none; -webkit-user-select: none; display: flex; align-items: center; gap: 6px; }
.ctl-label:hover { color: var(--ink); }
.ctl.changed .ctl-label { color: var(--ink); }
.mixed { font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--warn); }
.value { display: inline-flex; align-items: center; height: 22px; border-radius: 5px; background: var(--raised); border: 1px solid transparent; }
.value:hover { border-color: var(--line-2); }
.value:focus-within { border-color: var(--ink-3); background: var(--well); }
.num { width: 58px; height: 20px; padding: 0 2px 0 7px; border: 0; background: transparent; text-align: right; font-size: 12px; color: var(--ink); outline: none; }
.unit { padding-right: 7px; font-size: 11px; color: var(--ink-3); white-space: nowrap; }
.ctl .rail { grid-column: 1 / -1; }
.btn-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
.btn-row .btn { padding: 0 8px; }
.keys dl { margin: 0; display: grid; grid-template-columns: 1fr auto; gap: 5px 10px; font-size: 11.5px; }
.keys dt { color: var(--ink-3); }
.keys dd { margin: 0; color: var(--ink-3); display: flex; gap: 3px; align-items: center; justify-content: flex-end; }
.keys { border-bottom: 0; }

@media (max-width: 1100px) {
  body { overflow: auto; }
  .work { grid-template-columns: 240px minmax(0, 1fr); }
  .panel { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }