:root {
  --bg: #14171C;
  --panel: #1C2027;
  --panel-2: #232830;
  --well: #0F1215;
  --line: #2E343E;
  --line-strong: #3B424E;
  --ink: #ECE9E2;
  --ink-dim: #C9C6BF;
  --muted: #8B919B;
  --amber: #F2B441;
  --red: #E5484D;
  --mint: #3DD68C;
  --focus: #7AB8FF;
  --display: "Avenir Next Condensed", "Helvetica Neue", "Arial Narrow", sans-serif;
  --body: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 8px;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 var(--body); min-height: 100vh;
}
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }

/* ---- 上部バー ---- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--line);
}
.eyebrow {
  display: block; font-family: var(--display); font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; font-size: 12px; color: var(--muted);
}
.topbar h1 {
  font-family: var(--display); font-weight: 600; font-size: 26px;
  letter-spacing: .04em; margin: 0; line-height: 1.1;
}
.link { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.link .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line-strong); }
.link[data-state="waiting"] .dot { background: var(--amber); }
.link[data-state="ready"] .dot { background: var(--mint); box-shadow: 0 0 8px var(--mint); }
.link[data-state="ready"], .link[data-state="waiting"] { color: var(--ink-dim); }

/* ---- レイアウト ---- */
.desk {
  display: grid; gap: 16px; padding: 20px 24px 32px; max-width: 1400px; margin: 0 auto;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 1fr);
  grid-template-areas:
    "program output"
    "cues cues"
    "toggle toggle"
    "advanced advanced";
  align-items: start;
}
.program { grid-area: program; }
.output { grid-area: output; }
.cues { grid-area: cues; }
.advanced-toggle { grid-area: toggle; display: flex; justify-content: flex-end; }
.advanced {
  grid-area: advanced; display: grid; gap: 16px; align-items: start;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, 1fr);
}
.advanced[hidden] { display: none; }
@media (max-width: 900px) {
  .desk { grid-template-columns: 1fr; grid-template-areas: "program" "cues" "output" "toggle" "advanced"; }
  .advanced { grid-template-columns: 1fr; }
}
.link-btn {
  background: none; border: 0; padding: 6px 4px; cursor: pointer; font-size: 13px; color: var(--muted);
  text-decoration: underline; text-underline-offset: 3px;
}
.link-btn:hover { color: var(--ink-dim); }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.panel h2 {
  font-family: var(--display); font-weight: 600; text-transform: uppercase;
  letter-spacing: .14em; font-size: 13px; color: var(--muted); margin: 0 0 12px;
}

/* ---- タリー (出力状態) ---- */
.tally {
  display: grid; grid-template-columns: auto 1fr; grid-template-rows: auto auto;
  column-gap: 16px; align-items: center;
  padding: 14px 18px; border-radius: 6px; background: var(--well);
  border: 1px solid var(--line); margin-bottom: 16px;
}
.tally .lamp {
  grid-row: 1 / span 2; width: 22px; height: 22px; border-radius: 50%;
  background: #2A2F38; box-shadow: inset 0 0 0 2px #1A1E24;
}
.tally-text {
  font-family: var(--display); font-weight: 700; font-size: 44px; line-height: 1;
  letter-spacing: .06em; color: var(--muted);
}
.tally-sub { font-size: 13px; color: var(--muted); margin-top: 4px; }
.tally[data-state="black"] .lamp { background: #000; box-shadow: inset 0 0 0 2px var(--line-strong); }
.tally[data-state="black"] .tally-text { color: var(--ink); }
.tally[data-state="standby"] .lamp { background: transparent; box-shadow: inset 0 0 0 2px var(--amber); }
.tally[data-state="standby"] .tally-text { color: var(--amber); }
.tally[data-state="standby"] .tally-sub { color: var(--amber); }
.tally[data-state="fading"] .lamp { background: var(--amber); box-shadow: 0 0 12px var(--amber); animation: blink 1s steps(2, start) infinite; }
.tally[data-state="fading"] .tally-text { color: var(--amber); }
.tally[data-state="live"] { border-color: rgba(229, 72, 77, .5); }
.tally[data-state="live"] .lamp { background: var(--red); box-shadow: 0 0 14px var(--red); }
.tally[data-state="live"] .tally-text { color: var(--red); }
.tally[data-state="live"] .tally-sub { color: var(--ink-dim); }
@keyframes blink { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .tally .lamp { animation: none !important; } }

/* ---- メーター ---- */
.meters { display: grid; gap: 10px; margin-bottom: 14px; }
.meter { display: grid; grid-template-columns: 3.5em 1fr 3.5em; align-items: center; gap: 12px; }
.meter-label { font-family: var(--display); font-weight: 600; letter-spacing: .1em; font-size: 13px; color: var(--muted); }
.bar {
  height: 14px; background: var(--well); border-radius: 3px; overflow: hidden; border: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, transparent 0 calc(10% - 1px), var(--line) calc(10% - 1px) 10%);
}
.fill { height: 100%; width: 0; transition: width 120ms linear; }
.fill-volume { background: var(--amber); }
.fill-video { background: var(--ink); }
.meter-value { font-family: var(--mono); font-size: 13px; text-align: right; color: var(--ink-dim); font-variant-numeric: tabular-nums; }

.clock { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.timecode { font-family: var(--mono); font-size: 30px; font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.tc-sep { color: var(--muted); margin: 0 .3em; }
.badges { display: flex; gap: 6px; }
.badge {
  font-family: var(--display); font-weight: 600; letter-spacing: .1em; font-size: 12px; text-transform: uppercase;
  padding: 3px 8px; border: 1px solid var(--line-strong); border-radius: 4px; color: var(--ink-dim);
}
.badge[data-live="on"] { color: var(--red); border-color: rgba(229, 72, 77, .6); }
.badge[data-live="off"] { color: var(--muted); border-style: dashed; }
.progress { height: 4px; background: var(--line); border-radius: 2px; margin-top: 10px; overflow: hidden; }
.progress-fill { height: 100%; width: 0; background: var(--ink-dim); transition: width 200ms linear; }

/* ---- ボタン ---- */
.btn {
  padding: 10px 16px; border-radius: 6px; border: 1px solid var(--line-strong);
  background: var(--panel-2); cursor: pointer;
}
.btn:hover:not(:disabled) { border-color: var(--muted); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn-primary { background: var(--mint); color: #0B1F16; border-color: transparent; font-weight: 600; }
.btn-primary:hover:not(:disabled) { background: #52E09C; }
.btn-danger { border-color: rgba(229, 72, 77, .6); color: var(--red); }
.btn-danger:hover:not(:disabled) { background: rgba(229, 72, 77, .12); }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.steps { margin: 14px 0 0; padding-left: 1.4em; color: var(--ink-dim); font-size: 14px; }
.steps li + li { margin-top: 4px; }
.notice {
  margin: 12px 0 0; padding: 10px 12px; border-radius: 6px; font-size: 14px;
  background: rgba(61, 214, 140, .12); border: 1px solid rgba(61, 214, 140, .4);
}
.notice.is-error { background: rgba(242, 180, 65, .12); border-color: rgba(242, 180, 65, .5); }

/* ---- フェードボタン ---- */
.cues { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.cue {
  min-height: 230px; border-radius: 10px; border: 2px solid var(--line-strong);
  background: var(--panel); cursor: pointer;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
}
.cue-label { font-family: var(--display); font-weight: 700; font-size: 48px; letter-spacing: .06em; line-height: 1; }
.cue-hint { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
kbd {
  font-family: var(--mono); font-size: 12px; padding: 1px 6px; border: 1px solid var(--line-strong);
  border-radius: 4px; background: var(--well); color: var(--ink-dim);
}
.cue-in { border-color: rgba(61, 214, 140, .55); color: var(--mint); }
.cue-in:hover:not(:disabled) { background: rgba(61, 214, 140, .08); border-color: var(--mint); }
.cue-out { border-color: var(--line-strong); color: var(--ink); background: var(--well); }
.cue-out:hover:not(:disabled) { border-color: var(--ink-dim); }
.cue:active:not(:disabled) { transform: scale(.985); }
.cue:disabled { opacity: .4; cursor: not-allowed; }

/* ---- 再生操作 ---- */
.transport { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.transport .btn-danger { margin-left: auto; }

/* ---- 設定 ---- */
.field { display: grid; grid-template-columns: 6.5em 1fr 4.5em; align-items: center; gap: 12px; margin-bottom: 12px; }
.field-label { font-size: 14px; color: var(--ink-dim); }
.field output { font-family: var(--mono); font-size: 13px; text-align: right; font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--amber); }
.checks { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 4px 0 16px; font-size: 14px; color: var(--ink-dim); }
.checks input { accent-color: var(--mint); }
.video-fields { display: grid; grid-template-columns: 1fr; gap: 8px; padding-top: 14px; border-top: 1px solid var(--line); }
.field-text { grid-template-columns: 6.5em 1fr; margin: 0; }
.field-text input {
  width: 100%; padding: 8px 10px; border-radius: 6px; border: 1px solid var(--line-strong);
  background: var(--well); color: var(--ink); font-family: var(--mono); font-size: 13px;
}
.video-fields .btn { justify-self: end; }