:root {
  --bg: #0a0d14;
  --panel: rgba(255,255,255,.04);
  --line: rgba(255,255,255,.09);
  --text: #e8ecf5;
  --muted: #78839b;
  --red: #ff4d5e;
  --red-glow: rgba(255,77,94,.55);
  --blue: #38bdf8;
  --blue-glow: rgba(56,189,248,.55);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* The `hidden` attribute only sets `display: none` from the UA stylesheet, so
   ANY author rule that sets `display` on the same element silently wins and the
   element stays on screen. Both panels toggled by JS (.metrics, .replaybar) set
   display, so without this they are never actually hidden -- .metrics is an
   inset:0 overlay, so it covered the arena and the mode buttons entirely. */
[hidden] { display: none !important; }

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 500 14px/1.45 ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 600px at 20% -10%, rgba(255,77,94,.10), transparent 60%),
    radial-gradient(900px 600px at 80% 110%, rgba(56,189,248,.10), transparent 60%);
  pointer-events: none;
}

.shell {
  position: relative;
  /* dvh tracks the shrinking/growing mobile browser chrome; height:100% against
     a fixed viewport leaves the bottom row under the address bar on phones.
     The 100% line is the fallback for browsers without dvh. */
  height: 100%;
  height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 14px;
  padding: 18px clamp(14px, 3vw, 34px) 16px;
  padding-bottom: max(16px, env(safe-area-inset-bottom));
  max-width: 1180px;
  margin: 0 auto;
}

/* ---------- HUD ---------- */
.hud {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
}

.hud-right { display: flex; justify-content: flex-end; }

.team {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  backdrop-filter: blur(6px);
}
.team-blue { flex-direction: row; text-align: right; }

.team-name { font-size: 12.5px; font-weight: 700; letter-spacing: .07em; }
.team-sub {
  font-size: 10.5px; color: var(--muted); letter-spacing: .04em;
  font-variant-numeric: tabular-nums;
  max-width: 210px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.dot { width: 11px; height: 11px; border-radius: 50%; flex: none; }
.team-red .dot { background: var(--red); box-shadow: 0 0 14px var(--red-glow); }
.team-blue .dot { background: var(--blue); box-shadow: 0 0 14px var(--blue-glow); }

.hud-center { text-align: center; }
.timer {
  font-size: 40px; font-weight: 750; letter-spacing: -.02em; line-height: 1;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 26px rgba(255,255,255,.16);
}
.timer.urgent { color: #ffd166; text-shadow: 0 0 26px rgba(255,209,102,.4); }
.timer-label { font-size: 9.5px; letter-spacing: .22em; color: var(--muted); margin-top: 4px; }
.series {
  margin-top: 7px; font-size: 13px; font-weight: 700;
  color: var(--muted); font-variant-numeric: tabular-nums; letter-spacing: .06em;
}

/* ---------- stage ---------- */
.stage { position: relative; display: grid; place-items: center; min-height: 0; }
canvas { display: block; border-radius: 16px; }

.banner {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  pointer-events: none;
  opacity: 0; transition: opacity .35s ease;
}
.banner.show { opacity: 1; }
.banner span {
  padding: 16px 40px;
  font-size: 30px; font-weight: 800; letter-spacing: .1em;
  border-radius: 16px;
  background: rgba(10,13,20,.74);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  transform: translateY(6px) scale(.97);
  transition: transform .35s cubic-bezier(.2,.8,.3,1);
}
.banner.show span { transform: none; }
.banner.red span  { color: var(--red);  box-shadow: 0 0 46px var(--red-glow); }
.banner.blue span { color: var(--blue); box-shadow: 0 0 46px var(--blue-glow); }

.conn {
  position: absolute; top: 12px; right: 14px;
  display: flex; align-items: center; gap: 7px;
  font-size: 10.5px; letter-spacing: .1em; color: var(--muted);
  background: rgba(10,13,20,.5);
  padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line);
}
.conn-dot { width: 6px; height: 6px; border-radius: 50%; background: #ffd166; }
.conn.live .conn-dot { background: #4ade80; box-shadow: 0 0 9px rgba(74,222,128,.75); }
.conn.down .conn-dot { background: var(--red); }

/* ---------- mode toggle ---------- */
.modes {
  position: absolute; top: 12px; left: 14px;
  display: flex; gap: 4px;
  background: rgba(10,13,20,.5);
  border: 1px solid var(--line);
  border-radius: 999px; padding: 3px;
}
.mode-btn {
  font: inherit; font-size: 10.5px; font-weight: 700; letter-spacing: .12em;
  color: var(--muted); background: transparent; border: 0; cursor: pointer;
  padding: 5px 13px; border-radius: 999px; transition: color .18s, background .18s;
}
.mode-btn:hover { color: var(--text); }
.mode-btn.active { color: #0a0d14; background: var(--text); }

/* Recording is a toggle, not a view, so it sits slightly apart from the
   LIVE/REPLAY/METRICS group and never takes the .active treatment. */
.rec-btn { display: inline-flex; align-items: center; gap: 6px; margin-left: 4px; }
.rec-btn::before {
  content: ""; width: 1px; height: 13px;
  background: var(--line); margin-right: 4px;
}
.rec-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #55607a; transition: background .18s;
}
.rec-btn.recording { color: #ff6b7d; }
.rec-btn.recording .rec-dot { background: #ff4d5e; animation: recpulse 1.1s infinite; }
.rec-btn[disabled] { opacity: .4; cursor: not-allowed; }
@keyframes recpulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

/* ---------- replay bar ---------- */
.replaybar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 14px 13px;
  display: grid; gap: 9px;
}
.rb-row { display: flex; align-items: center; gap: 9px; }

.replaybar select {
  font: inherit; font-size: 11.5px;
  color: var(--text); background: rgba(255,255,255,.05);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 6px 9px; cursor: pointer;
}
#replay-select { flex: 1; min-width: 0; }
.replaybar select:focus-visible,
.rb-btn:focus-visible,
#rb-scrub:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

.rb-btn {
  font: inherit; font-size: 11px; color: var(--text);
  background: rgba(255,255,255,.07); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 12px; cursor: pointer; min-width: 42px;
}
.rb-btn:hover { background: rgba(255,255,255,.13); }

.rb-time {
  font-size: 11.5px; color: var(--muted);
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.rb-meta {
  font-size: 10.5px; color: var(--muted); letter-spacing: .03em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

#rb-scrub {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 5px; border-radius: 999px;
  background: rgba(255,255,255,.12); cursor: pointer;
}
#rb-scrub::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text); border: 0; box-shadow: 0 0 10px rgba(255,255,255,.35);
}
#rb-scrub::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--text); border: 0;
}

/* ---------- footer ---------- */
.status { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-size: 11px; color: var(--muted); letter-spacing: .05em;
  background: var(--panel); border: 1px solid var(--line);
  padding: 5px 11px; border-radius: 999px;
}
.chip b { color: var(--text); font-variant-numeric: tabular-nums; }
.legend { font-size: 10.5px; color: var(--muted); letter-spacing: .05em; }

@media (max-width: 720px) {
  .hud { grid-template-columns: 1fr; justify-items: center; gap: 10px; }
  .hud-right { justify-content: center; }
  .timer { font-size: 32px; }
  .legend { display: none; }
}

/* ---------- phones ----------
   The arena is square and sized to the smaller side of its container, so on a
   narrow portrait screen every row above and below it directly shrinks the
   playfield. Reclaim that space, and grow the tap targets: 10.5px pills with
   5px padding are well under the ~44px touch target phones need. */
@media (max-width: 560px) {
  .shell { gap: 8px; padding: 10px 10px 8px; }

  /* stack the two teams above the arena without a third full row */
  .hud { gap: 6px; }
  .timer { font-size: 26px; }
  .timer-label { display: none; }
  .team-name { font-size: 11px; }
  .team-sub { max-width: 150px; }

  .modes { top: 8px; left: 8px; gap: 2px; padding: 2px; }
  .mode-btn { font-size: 11px; padding: 9px 14px; letter-spacing: .08em; }

  .replaybar { padding: 9px 10px 11px; gap: 8px; }
  .rb-row { flex-wrap: wrap; gap: 6px; }
  #replay-select { flex: 1 1 100%; order: -1; }
  .rb-btn { padding: 10px 16px; font-size: 13px; }
  .replaybar select { padding: 9px 10px; font-size: 12.5px; }
  /* a thin range track is hard to grab with a thumb */
  #rb-scrub { height: 26px; }

  /* keep the two most useful chips; the rest just eat arena height */
  .status { gap: 8px; }
  .chip { font-size: 10px; padding: 4px 9px; }
  .chip:nth-child(n+3) { display: none; }

  .m-canvas { height: 86px; }
  .m-kpi { padding: 4px 7px; }
}

/* Landscape phone: vertical space is the scarce axis, so drop the chrome
   that costs height rather than width. */
@media (max-height: 460px) and (orientation: landscape) {
  .shell { gap: 6px; padding: 6px 10px; }
  .hud { grid-template-columns: 1fr auto 1fr; gap: 10px; }
  .timer { font-size: 22px; }
  .timer-label, .status { display: none; }
}

/* ---------- metrics dashboard ---------- */
/* Overlays the arena rather than resizing it, so switching modes never
   reflows the canvas the renderer is sized against. */
.metrics {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 16px 12px;
  overflow-y: auto;
  background: linear-gradient(180deg, rgba(10,13,20,.97), rgba(10,13,20,.99));
  backdrop-filter: blur(2px);
}

.m-head {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; flex: 0 0 auto;
}
.m-title { display: flex; flex-direction: column; gap: 3px; }
.m-run {
  font-size: 13px; font-weight: 650; letter-spacing: .04em;
}
.m-sub { font-size: 10.5px; color: var(--muted); letter-spacing: .03em; }

.m-kpis { display: flex; flex-wrap: wrap; gap: 6px; }
.m-kpi {
  display: flex; flex-direction: column; gap: 1px;
  padding: 5px 9px; border-radius: 7px;
  background: var(--panel); border: 1px solid var(--line);
  font-size: 9px; color: var(--muted); letter-spacing: .06em; text-transform: uppercase;
}
.m-kpi b {
  font-size: 12.5px; color: var(--text); letter-spacing: .01em;
  text-transform: none; font-variant-numeric: tabular-nums;
}

.m-grid {
  display: grid; gap: 10px; flex: 1 1 auto;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-content: start;
}

.m-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 10px 7px;
  display: flex; flex-direction: column; gap: 5px;
}
.m-card-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.m-card-title { font-size: 11px; font-weight: 600; letter-spacing: .04em; }
.m-card-legend { display: flex; gap: 8px; }
.m-tag {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 9px; color: var(--muted); letter-spacing: .04em;
}
.m-tag i { width: 7px; height: 2px; border-radius: 1px; display: inline-block; }
.m-canvas { width: 100%; height: 104px; display: block; }
.m-card-hint { font-size: 9px; color: var(--muted); letter-spacing: .02em; }

.m-foot {
  flex: 0 0 auto; font-size: 10px; color: var(--muted);
  letter-spacing: .03em; padding-top: 2px;
}

@media (max-width: 620px) {
  .m-grid { grid-template-columns: 1fr; }
  .m-canvas { height: 92px; }
}