/* Foldback — styled after an intercom keypanel: powder-coated graphite, lit keys.
   Red means live to air (the tally, a hot mic). Amber means someone is talking off air. */

@font-face { font-family: Barlow; font-weight: 400; font-display: swap; src: url(fonts/barlow-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: Barlow; font-weight: 500; font-display: swap; src: url(fonts/barlow-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: Barlow; font-weight: 600; font-display: swap; src: url(fonts/barlow-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 500; font-display: swap; src: url(fonts/barlow-condensed-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-display: swap; src: url(fonts/barlow-condensed-latin-600-normal.woff2) format("woff2"); }

:root {
  --chassis: #1e2125;
  --panel: #282c32;
  --well: #16181b;
  --raise: #343a42;
  --line: #40474f;
  --ink: #ece8df;
  --dim: #a0a8b1;
  --amber: #f5a524;
  --red: #f0402f;
  --green: #55c683;
  --steel: #7fb2e0;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: Barlow, system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--chassis);
  color: var(--ink);
  font: 400 15px/1.45 var(--body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p { margin: 0; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.1; }
h2 { font-size: 1.15rem; }
button, input, select { font: inherit; color: inherit; }
video { display: block; width: 100%; height: 100%; object-fit: contain; background: var(--well); }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--steel); outline-offset: 2px; }
.dim { color: var(--dim); }
.num { font-family: var(--display); font-variant-numeric: tabular-nums; }

/* Fields */
input:not([type=range], [type=checkbox]), select {
  width: 100%;
  padding: .5rem .65rem;
  background: var(--well);
  border: 1px solid var(--line);
  border-radius: 5px;
}
input[type=range] { width: 100%; accent-color: var(--ink); }
input[type=checkbox] { accent-color: var(--amber); width: 1rem; height: 1rem; }
label.field { display: grid; gap: .3rem; font-size: .85rem; color: var(--dim); }
label.field > :not(span) { color: var(--ink); font-size: 15px; }
label.check { display: flex; gap: .55rem; align-items: center; }

.btn {
  padding: .45rem .8rem;
  background: var(--raise);
  border: 1px solid var(--line);
  border-radius: 5px;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { border-color: var(--dim); }
.btn.primary { background: var(--ink); border-color: var(--ink); color: var(--chassis); font-weight: 600; }
.btn.quiet { background: none; border-color: transparent; color: var(--dim); }
.btn.quiet:hover { color: var(--ink); }

/* The keys. A dark lamp strip sits along the top edge; when the key is latched the whole
   cap lights in its lamp colour. */
.key {
  --lamp: var(--amber);
  position: relative;
  min-width: 5.5rem;
  padding: 1.05rem .9rem .6rem;
  font: 600 1.05rem/1.05 var(--display);
  letter-spacing: .015em;
  text-align: left;
  background: linear-gradient(#3b4149, #2d3239);
  border: 1px solid #111315;
  border-radius: 6px;
  box-shadow: inset 0 1px 0 #ffffff1a, 0 2px 0 #0f1113;
  cursor: pointer;
  touch-action: none;
  user-select: none;
}
.key::before {
  content: "";
  position: absolute;
  inset: 6px 8px auto;
  height: 3px;
  border-radius: 2px;
  background: #121416;
}
.key small { display: block; margin-top: .3rem; font: 400 .72rem/1 var(--body); color: var(--dim); }
.key:active { transform: translateY(1px); box-shadow: inset 0 1px 0 #ffffff1a, 0 1px 0 #0f1113; }
.key[aria-pressed=true] {
  background: var(--lamp);
  color: #17130a;
  box-shadow: 0 0 22px color-mix(in srgb, var(--lamp) 50%, transparent), inset 0 1px 0 #ffffff66;
}
.key[aria-pressed=true]::before { background: #ffffffa6; }
.key[aria-pressed=true] small { color: #17130ab3; }
.key.red { --lamp: var(--red); }
.key.green { --lamp: var(--green); }
.key.plain { --lamp: var(--ink); }
.key:disabled { opacity: .4; cursor: default; }
.keys { display: flex; flex-wrap: wrap; gap: .5rem; }

/* Level meter */
.meter { height: 6px; background: var(--well); border-radius: 3px; overflow: hidden; }
.meter::after {
  content: "";
  display: block;
  height: 100%;
  width: calc(var(--level, 0) * 100%);
  background: linear-gradient(90deg, var(--green) 0 70%, var(--amber) 85%, var(--red));
  background-size: calc(100% / max(var(--level, 0), .001)) 100%;
}

/* Tally */
.tally {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .3rem .8rem .3rem .65rem;
  font: 600 1.15rem/1 var(--display);
  background: var(--well);
  border-radius: 4px;
  color: var(--dim);
}
.tally::before { content: ""; width: .6rem; height: .6rem; border-radius: 50%; background: currentColor; }
.tally[data-status=live] { background: var(--red); color: #fff; }
.tally[data-status=break] { color: var(--steel); }

.panel { background: var(--panel); border-radius: 8px; padding: 1rem; }
.stack { display: grid; gap: .85rem; align-content: start; }
.row { display: flex; gap: .5rem; align-items: center; }
.row > .grow { flex: 1; min-width: 0; }

/* Video tiles */
.tile { position: relative; background: var(--well); border-radius: 6px; overflow: hidden; aspect-ratio: 16 / 9; }
.tile .tag {
  position: absolute; left: .4rem; bottom: .4rem;
  padding: .1rem .45rem;
  background: #0d0f11cc; border-radius: 3px;
  font: 600 .95rem/1.3 var(--display);
}
.tile .empty { position: absolute; inset: 0; display: grid; place-content: center; padding: 1rem; text-align: center; color: var(--dim); }
.badge { padding: .05rem .4rem; border-radius: 3px; font: 600 .85rem/1.4 var(--display); background: var(--raise); }
.badge.amber { background: var(--amber); color: #17130a; }

/* Chat */
.chat { display: grid; grid-template-rows: 1fr auto; gap: .5rem; min-height: 0; }
.chat-log { margin: 0; padding: 0; list-style: none; overflow-y: auto; display: grid; gap: .35rem; align-content: start; font-size: .92rem; }
.chat-log b { font-weight: 600; color: var(--dim); }
.chat-log .producer b { color: var(--amber); }
.chat-log .mine b { color: var(--ink); }
.chat-form { display: flex; gap: .4rem; }

/* ───────── Caster: lobby ───────── */
.lobby { min-height: 100%; display: grid; place-items: center; padding: 1.5rem; }
.lobby-card { width: min(100%, 880px); display: grid; grid-template-columns: 1.15fr 1fr; gap: 1.5rem; }
.lobby h1 { font-size: 2.4rem; }
.lobby .tile { aspect-ratio: 4 / 3; }
.segmented { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; background: var(--well); border-radius: 5px; padding: 3px; gap: 3px; }
.segmented button { padding: .4rem .5rem; border: 0; border-radius: 3px; background: none; cursor: pointer; }
.segmented button[aria-pressed=true] { background: var(--raise); box-shadow: inset 0 1px 0 #ffffff1a; }
.error { color: var(--amber); }
details > summary { cursor: pointer; color: var(--dim); }
details[open] > summary { margin-bottom: .75rem; }

/* ───────── Caster: on stage ───────── */
.stage { height: 100%; display: grid; grid-template: auto minmax(0, 1fr) auto / minmax(0, 1fr) 300px; gap: .75rem; padding: .75rem; }
.stage > header, .stage > footer { grid-column: 1 / -1; }
.bar { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.bar .brand { font: 600 1.15rem/1 var(--display); color: var(--dim); }
.bar .spacer { flex: 1; }
.timer { display: flex; align-items: baseline; gap: .5rem; }
.timer .num { font-size: 1.9rem; font-weight: 600; line-height: 1; }
.timer.low .num { color: var(--amber); }

.feed { position: relative; background: var(--well); border-radius: 8px; overflow: hidden; min-height: 0; }
.feed .empty { position: absolute; inset: 0; display: grid; place-content: center; gap: .4rem; text-align: center; color: var(--dim); padding: 2rem; }
.feed .empty h2 { color: var(--ink); font-size: 1.6rem; }

/* A callout owns the return feed until the caster acknowledges it. */
.cue {
  position: absolute; inset: 0;
  display: grid; place-content: center; justify-items: center; gap: 1.25rem;
  padding: 2rem; text-align: center;
  background: #121416e6;
  border: 6px solid var(--amber);
  border-radius: 8px;
}
.cue p { font: 600 clamp(2.5rem, 9vw, 7rem)/.95 var(--display); text-wrap: balance; }
.cue[data-level=urgent] { background: var(--ink); color: var(--chassis); border-color: var(--ink); animation: flash .7s steps(2, jump-none) 4; }
.cue[data-level=urgent] .btn { background: var(--chassis); border-color: var(--chassis); color: var(--ink); }
.cue.acked {
  inset: .6rem .6rem auto;
  display: flex; justify-content: center;
  padding: .45rem 1rem;
  border-width: 0 0 0 6px; border-radius: 4px;
  animation: none;
}
.cue.acked p { font-size: 1.5rem; line-height: 1.1; }
.cue.acked .btn { display: none; }
@keyframes flash { from { opacity: 1; } to { opacity: .55; } }

.talkback {
  position: absolute; left: .6rem; bottom: .6rem;
  padding: .3rem .7rem;
  background: var(--amber); color: #17130a; border-radius: 4px;
  font: 600 1.1rem/1.2 var(--display);
}

.side { display: grid; grid-template-rows: auto auto minmax(0, 1fr); gap: .75rem; min-height: 0; }
.side .panel { padding: .65rem; }
.cocasters { display: grid; gap: .5rem; }
.cocaster { display: grid; gap: .35rem; }
.stage footer { display: flex; gap: .75rem; align-items: stretch; flex-wrap: wrap; }
.mix { display: grid; grid-template-columns: auto 9rem; gap: .2rem .6rem; align-items: center; font-size: .85rem; color: var(--dim); margin-left: auto; }

dialog { background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; width: min(92vw, 440px); }
dialog::backdrop { background: #0b0c0ecc; }

.banner { position: fixed; inset: 0 0 auto; z-index: 10; padding: .5rem 1rem; text-align: center; background: var(--amber); color: #17130a; font-weight: 600; }

/* ───────── Producer ───────── */
.control { height: 100%; display: grid; grid-template: auto minmax(0, 1fr) / 340px minmax(0, 1fr) 300px; gap: .75rem; padding: .75rem; }
.control > header { grid-column: 1 / -1; }
.control > * { min-height: 0; }
.column { display: grid; gap: .75rem; align-content: start; overflow-y: auto; }
.column.fill { grid-template-rows: auto minmax(12rem, 1fr) auto; align-content: stretch; }
.column.fill > details { max-height: 45vh; overflow-y: auto; }
.casters { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: .75rem; align-content: start; overflow-y: auto; }
.strip { display: grid; gap: .6rem; }
.strip.talking { box-shadow: 0 0 0 2px var(--amber); }
.strip .head { display: flex; align-items: center; gap: .5rem; }
.strip .head h3 { font-size: 1.3rem; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.strip .head select { width: auto; padding: .2rem .4rem; }
.strip .stats { font-size: .8rem; color: var(--dim); min-height: 1.2em; }
.strip .key { flex: 1; min-width: 0; }
.cue-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .4rem; }
.cue-grid .btn { white-space: normal; text-align: left; line-height: 1.2; }
.current-cue { padding: .6rem .7rem; background: var(--well); border-left: 4px solid var(--amber); border-radius: 4px; }
.current-cue strong { display: block; font: 600 1.35rem/1.1 var(--display); }
.links code { display: block; padding: .35rem .5rem; background: var(--well); border-radius: 4px; font-size: .78rem; overflow-wrap: anywhere; user-select: all; }
.links dt { margin-top: .6rem; font-size: .85rem; color: var(--dim); display: flex; justify-content: space-between; align-items: center; }
.links dd { margin: .2rem 0 0; }
.links dl { margin: 0; }
.all-talk { margin-left: auto; }

@media (max-width: 900px) {
  .lobby-card { grid-template-columns: 1fr; }
  .stage { grid-template: auto minmax(40vh, 1fr) auto auto / 1fr; height: auto; min-height: 100%; }
  .control { grid-template: auto / 1fr; height: auto; }
  .mix { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .cue[data-level=urgent] { animation: none; }
}