:root {
  --bg: #070a12;
  --bg2: #0c111d;
  --card: rgba(255, 255, 255, 0.035);
  --card2: rgba(255, 255, 255, 0.06);
  --line: rgba(255, 255, 255, 0.09);
  --fg: #e8edf7;
  --dim: #97a3b8;
  --accent: #4dd4ff;
  --accent2: #6a8bff;
  --ok: #4ade80;
  --warn: #fbbf24;
  --err: #fb7185;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 12% -12%, rgba(77, 212, 255, 0.16), transparent 60%),
    radial-gradient(900px 500px at 92% 4%, rgba(106, 139, 255, 0.14), transparent 62%),
    var(--bg);
  color: var(--fg);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Inter, Roboto, sans-serif;
  padding-bottom: 4rem;
}

.wrap { width: min(1040px, 100% - 2.5rem); margin-inline: auto; }

a { color: var(--accent); text-decoration-color: rgba(77, 212, 255, 0.4); }
a:hover { text-decoration-color: currentColor; }

/* ---------- hero ---------- */
.hero { padding: 3.5rem 0 1.75rem; }
.eyebrow {
  margin: 0 0 .6rem;
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
}
h1 { margin: 0; font-size: clamp(1.9rem, 5.4vw, 3.1rem); line-height: 1.1; letter-spacing: -.02em; }
h1 span { color: var(--dim); font-weight: 500; }
.lede { max-width: 62ch; color: #c6d0e2; }
.lede b { color: #fff; }
.links { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.2rem; }
.links a {
  font-size: .85rem; padding: .35rem .8rem; border: 1px solid var(--line);
  border-radius: 999px; background: var(--card); text-decoration: none;
}
.links a:hover { background: var(--card2); }

/* ---------- panels ---------- */
.panel {
  background: linear-gradient(180deg, var(--card), rgba(255, 255, 255, 0.015));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  margin: 1rem 0;
}
.panel h2 { margin: .1rem 0 .8rem; font-size: 1.02rem; letter-spacing: .01em; }
.banner {
  margin: 1rem 0; padding: .8rem 1rem; border-radius: var(--radius);
  background: var(--card2); border: 1px solid var(--line); font-size: .92rem; color: #cbd5e6;
}
.banner.ok { border-color: rgba(74, 222, 128, .35); }
.banner.warn { border-color: rgba(251, 191, 36, .35); }
.hint { color: var(--dim); font-size: .88rem; margin: .6rem 0 0; }

/* ---------- controls ---------- */
.row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.btn {
  appearance: none; cursor: pointer; font: inherit; font-size: .92rem;
  padding: .55rem 1rem; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card2); color: var(--fg); text-decoration: none; display: inline-block;
}
.btn:hover { border-color: rgba(255, 255, 255, .22); }
.btn.primary { background: linear-gradient(180deg, #2bb6e8, #1d86c9); border-color: transparent; font-weight: 600; color: #03121c; }
.btn.primary:disabled { filter: grayscale(.6) brightness(.7); cursor: not-allowed; }
.btn.ghost { background: transparent; }
.btn.small { padding: .3rem .6rem; font-size: .82rem; }
.btn.active { background: linear-gradient(180deg, #2bb6e8, #1d86c9); color: #03121c; border-color: transparent; font-weight: 600; }
.btn.file { position: relative; }
.field { display: flex; align-items: center; gap: .5rem; font-size: .86rem; color: var(--dim); }
select {
  font: inherit; font-size: .86rem; color: var(--fg); background: var(--bg2);
  border: 1px solid var(--line); border-radius: 9px; padding: .4rem .5rem;
}
.over { outline: 2px dashed var(--accent); outline-offset: 6px; }

/* ---------- stage ---------- */
.player { position: relative; border-radius: var(--radius); overflow: hidden; background: #000; }
.player video { display: block; width: 100%; max-height: 62vh; background: #000; }
.overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.status { margin: 0; color: var(--dim); font-size: .9rem; }
.status b.err { color: var(--err); }

/* ---------- steps ---------- */
.steps { list-style: none; margin: .2rem 0 .9rem; padding: 0; display: grid; gap: .35rem; }
.step { display: grid; grid-template-columns: 14px 90px 1fr; gap: .6rem; align-items: center; font-size: .9rem; color: var(--dim); }
.step .dot { width: 9px; height: 9px; border-radius: 50%; background: #34405a; }
.step .k { text-transform: uppercase; font-size: .72rem; letter-spacing: .08em; }
.step.run .dot { background: var(--accent); animation: pulse 1.1s ease-in-out infinite; }
.step.done .dot { background: var(--ok); }
.step.error .dot { background: var(--err); }
.step.done .v, .step.run .v { color: #dbe6f7; }
@keyframes pulse { 50% { opacity: .35; } }

/* ---------- speakers / results ---------- */
.chips { display: flex; flex-wrap: wrap; gap: .6rem; }
.chip {
  display: flex; align-items: center; gap: .55rem; padding: .4rem .7rem .4rem .4rem;
  border: 1px solid var(--line); border-radius: 999px; background: var(--card); cursor: pointer;
  font-size: .88rem;
}
.chip.off { opacity: .45; }
.thumb { width: 34px; height: 34px; border-radius: 50%; image-rendering: auto; }
.results { display: grid; gap: .8rem; }
.sources { display: flex; flex-wrap: wrap; gap: .4rem; }
.card {
  border: 1px solid var(--line); border-radius: var(--radius); padding: .8rem .9rem;
  background: var(--card); display: grid; gap: .55rem;
}
.card.playing { border-color: rgba(77, 212, 255, .5); background: rgba(77, 212, 255, .06); }
.card .head { display: flex; align-items: center; gap: .7rem; }
.card .avatar { width: 46px; height: 46px; border-radius: 50%; }
.card .head b { display: block; }
.card .sub { color: var(--dim); font-size: .82rem; }
.card .badge {
  margin-left: auto; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--accent); border: 1px solid rgba(77, 212, 255, .35); border-radius: 999px; padding: .1rem .5rem;
}
.wave { width: 100%; height: 64px; display: block; border-radius: 8px; background: rgba(0, 0, 0, .25); }

/* ---------- prose ---------- */
.prose p { color: #c2ccdd; font-size: .94rem; }
.prose code { background: rgba(255, 255, 255, .07); padding: .05rem .3rem; border-radius: 5px; font-size: .86em; }
.how { color: #c2ccdd; font-size: .94rem; padding-left: 1.1rem; }
.how li { margin: .45rem 0; }
.notice { border-color: rgba(251, 191, 36, .28); background: rgba(251, 191, 36, .05); }

footer { color: var(--dim); font-size: .84rem; }

@media (max-width: 620px) {
  .hero { padding-top: 2.2rem; }
  .step { grid-template-columns: 14px 70px 1fr; }
  .panel { padding: 1rem .9rem; }
}