/* ============ BROADCAST (default theme): on-air graphics language ============ */
/* Type */
[data-font="broadcast"] h1, [data-font="broadcast"] h2, [data-font="broadcast"] .cc-name, [data-font="broadcast"] .hero-title,
[data-font="broadcast"] .screen-title, [data-font="broadcast"] .screen-big, [data-font="broadcast"] .slot-n { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; letter-spacing: .015em; }
[data-font="broadcast"] h2 { font-size: 1.15rem; }
[data-font="broadcast"] .question-text, [data-font="broadcast"] .sc-q { font-weight: 650; letter-spacing: -.005em; }
[data-font="broadcast"] .eyebrow, [data-font="broadcast"] .label { font-family: var(--font-mono); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; font-size: .68rem; }
[data-font="broadcast"] .code-chip, [data-font="broadcast"] .timer-text, [data-font="broadcast"] .score-main, [data-font="broadcast"] .bar-value,
[data-font="broadcast"] .stat-n, [data-font="broadcast"] .big-code, [data-font="broadcast"] .code-input, [data-font="broadcast"] .sc-foot, [data-font="broadcast"] .screen-code,
[data-font="broadcast"] .poster-code, [data-font="broadcast"] .sc-qn { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
/* Cards: hairlines and a red cue mark, no soft shadows */
[data-btn="broadcast"] .card, [data-btn="broadcast"] .deck { box-shadow: none; border-radius: 3px; }
[data-btn="broadcast"] .card-head h2::before, [data-btn="broadcast"] .card > h2:first-child::before { content: ''; display: inline-block; width: .5em; height: .5em; margin-right: .5em; background: var(--accent); vertical-align: .08em; }
/* Buttons: squared, uppercase, a red rule that sweeps in on hover */
[data-btn="broadcast"] .btn { border-radius: 2px; text-transform: uppercase; letter-spacing: .07em; font-size: .8rem; font-weight: 700; position: relative; overflow: hidden; }
[data-btn="broadcast"] .btn.sm { font-size: .72rem; }
[data-btn="broadcast"] .btn.xl { font-size: .95rem; letter-spacing: .09em; }
[data-btn="broadcast"] .btn::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
[data-btn="broadcast"] .btn:hover:not(:disabled)::after, [data-btn="broadcast"] .btn:focus-visible::after { transform: scaleX(1); }
[data-btn="broadcast"] .btn.primary { background: var(--primary); color: var(--primary-ink); border-color: var(--primary); }
[data-btn="broadcast"] .btn.danger-solid { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
[data-btn="broadcast"] .score-btn, [data-btn="broadcast"] .choice, [data-btn="broadcast"] .phase-step, [data-btn="broadcast"] .stage-card, [data-btn="broadcast"] .preset-tile { border-radius: 2px; }
[data-btn="broadcast"] .score-btn.selected, [data-btn="broadcast"] .choice.selected { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
[data-btn="broadcast"] .choice.selected .check { color: var(--accent-ink); }
[data-btn="broadcast"] .chip, [data-btn="broadcast"] .pill { border-radius: 2px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .06em; font-size: .68rem; }
[data-btn="broadcast"] input, [data-btn="broadcast"] select, [data-btn="broadcast"] textarea { border-radius: 2px; }
[data-btn="broadcast"] .toast { border-radius: 2px; font-family: var(--font-mono); font-size: .82rem; }
[data-btn="broadcast"] .stage-card.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--surface)); }
[data-btn="broadcast"] .logo { border-radius: var(--logo-radius, 8%); }
/* Menu: hairline bar, mono labels, a red indicator that springs between tabs (static/live.js) */
[data-menu="broadcast"] .tabbar { border-top: 1px solid var(--border); background: var(--bg-solid, var(--bg)); }
[data-menu="broadcast"] .tab { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .1em; font-size: .6rem; font-weight: 600; gap: 4px; }
[data-menu="broadcast"] .tab.active { color: var(--text); }
[data-menu="broadcast"] .tab.active::before { display: none; }
[data-menu="broadcast"] .seg { border-radius: 2px; background: transparent; border: 1px solid var(--border); padding: 2px; }
[data-menu="broadcast"] .seg-btn { border-radius: 1px; font-family: var(--font-mono); text-transform: uppercase; letter-spacing: .08em; font-size: .7rem; }
[data-menu="broadcast"] .seg-btn.active { background: var(--primary); color: var(--primary-ink); box-shadow: none; }
.tab-indicator { position: absolute; top: -1px; left: 0; height: 3px; width: 40px; background: var(--accent); pointer-events: none; will-change: transform, width; }
@media (min-width: 900px) { .tab-indicator { top: auto; bottom: -1px; } }
.tab .icon { width: 22px; height: 22px; }
/* Grain: a film-grain texture that drifts (still for reduced motion) */
:root[data-pattern="grain"] body::before, .theme-scope[data-pattern="grain"]::before {
  content: ''; position: fixed; inset: -50%; z-index: 0; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain-drift 1.2s steps(6) infinite; }
.theme-scope[data-pattern="grain"]::before { position: absolute; inset: 0; }
@keyframes grain-drift { 0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); } 60% { transform: translate(-2%, -1%); } 80% { transform: translate(3%, 3%); } 100% { transform: translate(0, 0); } }
@media (prefers-reduced-motion: reduce) { :root[data-pattern="grain"] body::before { animation: none; } }

/* ============ LIVE LAYER: ticker, lower-third, split-flap, sparks ============ */
.live-ticker { position: sticky; top: calc(var(--header-h) + env(safe-area-inset-top)); z-index: 18; display: flex; align-items: stretch; height: 30px; overflow: hidden;
  background: var(--text); color: var(--bg-solid, var(--bg)); font-family: var(--font-mono); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.lt-badge { flex: none; display: flex; align-items: center; gap: 6px; padding: 0 10px; background: var(--accent); color: var(--accent-ink); font-weight: 800; }
.lt-badge.off { background: transparent; color: inherit; border-right: 1px solid color-mix(in srgb, var(--bg) 30%, transparent); }
.lt-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; animation: lt-pulse 1.4s ease-in-out infinite; }
@keyframes lt-pulse { 50% { opacity: .25; } }
.lt-track { flex: 1; overflow: hidden; display: flex; align-items: center; -webkit-mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.lt-run { display: flex; gap: 28px; white-space: nowrap; padding-left: 16px; animation: lt-scroll var(--lt-dur, 30s) linear infinite; }
.lt-run span::before { content: '◆'; margin-right: 10px; opacity: .5; font-size: .6em; vertical-align: .15em; }
@keyframes lt-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.live-ticker.paused .lt-run { animation-play-state: paused; }
.lt-pause { flex: none; width: 36px; border: 0; background: transparent; color: inherit; cursor: pointer; display: flex; align-items: center; justify-content: center; }
@media (prefers-reduced-motion: reduce) { .lt-run { animation: none; } .lt-dot { animation: none; } }
.lower-third { position: fixed; left: 12px; right: 12px; bottom: calc(var(--tab-h) + 18px + env(safe-area-inset-bottom)); z-index: 40; pointer-events: none; display: flex; flex-direction: column; align-items: flex-start; }
.lower-third.over-reactions { bottom: calc(92px + env(safe-area-inset-bottom)); }
.l3-tag { background: var(--accent); color: var(--accent-ink); font-family: var(--font-mono); font-size: .68rem; letter-spacing: .14em; font-weight: 800; padding: 4px 10px; text-transform: uppercase; }
.l3-main { background: var(--text); color: var(--bg-solid, var(--bg)); padding: 8px 14px 10px; display: flex; align-items: center; gap: 12px; max-width: 100%; }
.l3-name { font-family: var(--font-display); font-size: 1.9rem; line-height: 1; text-transform: uppercase; }
.l3-sub { font-size: .85rem; opacity: .8; }
.screen .lower-third { bottom: 6vh; left: 3vw; }
.screen .l3-name { font-size: 4.5rem; } .screen .l3-tag { font-size: 1.1rem; } .screen .l3-sub { font-size: 1.5rem; }
.flap { display: inline-flex; }
.flap-ch { display: inline-block; min-width: .6em; text-align: center; }
.flap-ch.flip { animation: flap-flip .08s linear; }
@keyframes flap-flip { 0% { transform: rotateX(0); } 50% { transform: rotateX(90deg); } 100% { transform: rotateX(0); } }
.spark { position: fixed; z-index: 95; width: 2px; height: 11px; background: var(--accent); pointer-events: none; border-radius: 1px; }
.live-pill { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: var(--accent-ink); font-family: var(--font-mono); font-size: .66rem; font-weight: 800; letter-spacing: .12em; padding: 3px 8px; border-radius: 2px; }

/* ============ LANDING (broadcast) ============ */
.bc-landing { min-height: 100dvh; display: flex; flex-direction: column; position: relative; z-index: 1; }
.bc-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: calc(12px + env(safe-area-inset-top)) 16px 12px; font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.bc-main { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 16px; max-width: 560px; width: 100%; margin: 0 auto; }
.bc-kicker { font-family: var(--font-mono); font-size: .72rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 8px; }
.bc-title { white-space: nowrap; font-family: var(--font-display); font-size: clamp(2.6rem, 14.5vw, 5.8rem); line-height: .86; margin: 12px 0 10px; text-transform: uppercase; letter-spacing: -.005em; }
.bc-title .dot { color: var(--accent); }
.bc-title .flap-ch { min-width: .5em; }
.bc-clock { font-variant-numeric: tabular-nums; color: var(--muted); }
.bc-sub { font-size: 1.05rem; color: var(--muted); max-width: 30ch; margin: 0 0 22px; }
.bc-code { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-bottom: 10px; }
.bc-cell { aspect-ratio: 3 / 4; max-height: 92px; display: flex; align-items: center; justify-content: center; background: var(--surface); border: 1px solid var(--border); border-radius: 3px;
  font-family: var(--font-mono); font-weight: 700; font-size: clamp(1.8rem, 9vw, 3rem); color: var(--text); position: relative; overflow: hidden; }
.bc-cell::after { content: ''; position: absolute; left: 0; right: 0; top: 50%; height: 1px; background: color-mix(in srgb, var(--bg) 60%, transparent); }
.bc-cell.cursor { border-color: var(--accent); box-shadow: inset 0 -3px 0 var(--accent); }
.bc-cell.ph { color: color-mix(in srgb, var(--muted) 55%, transparent); }
.bc-input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.01; font-size: 16px; cursor: text; text-transform: uppercase; }
.bc-input:focus-visible + .bc-focus { outline: 3px solid var(--focus); outline-offset: 3px; }
.bc-focus { position: absolute; inset: -2px; pointer-events: none; border-radius: 4px; }
.bc-join { width: 100%; min-height: 60px; font-size: 1rem !important; display: flex; justify-content: space-between; padding: 0 18px; }
.bc-links { display: flex; flex-direction: column; margin-top: 18px; border-top: 1px solid var(--border); }
.bc-link { display: flex; align-items: center; gap: 12px; padding: 14px 2px; border-bottom: 1px solid var(--border); color: var(--text); text-decoration: none; font-weight: 600; }
.bc-link .grow { display: flex; flex-direction: column; }
.bc-link small { color: var(--muted); font-weight: 400; }
.bc-link:hover .icon:last-child { transform: translateX(4px); }
.bc-link .icon:last-child { transition: transform .2s; color: var(--muted); }
.bc-recent { margin-top: 18px; }
.room-row { display: flex; align-items: center; gap: 8px; }
.room-row .room-link { flex: 1; min-width: 0; }
.room-row.over .room-link { color: var(--muted); }
.room-state.live { background: var(--accent); color: var(--accent-ink); }
.room-x { flex: none; min-width: 44px; min-height: 44px; font-size: 1.1rem; }
.ended-group { border-top: 1px solid var(--border); margin-top: 6px; padding-top: 6px; }
.ended-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.bc-foot { padding: 16px; }

/* Signal backdrop: grid and a pointer-following glow */
.splash-signal { background: var(--bg); }
.sg-grid { position: absolute; inset: 0; background-image: linear-gradient(color-mix(in srgb, var(--text) 7%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--text) 7%, transparent) 1px, transparent 1px); background-size: 48px 48px; mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 90%); -webkit-mask-image: radial-gradient(80% 70% at 50% 40%, #000 30%, transparent 90%); }
.sg-glow { position: absolute; width: 520px; height: 520px; margin: -260px 0 0 -260px; border-radius: 50%; background: radial-gradient(closest-side, color-mix(in srgb, var(--accent) 16%, transparent), transparent); left: 50%; top: 40%; transition: left .6s ease-out, top .6s ease-out; }
.sg-ticks { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 6px; }
.sg-ticks span { width: 18px; height: 2px; background: color-mix(in srgb, var(--text) 25%, transparent); animation: sg-tick 2.4s ease-in-out infinite; }
@keyframes sg-tick { 50% { width: 6px; background: var(--accent); } }
@media (prefers-reduced-motion: reduce) { .sg-ticks span { animation: none; } }

/* Line icons inline with text */
.btn .icon, summary .icon, .announcement .icon, .site-banner .icon, .seg-btn .icon { vertical-align: -3px; flex: none; }
.btn { gap: 6px; }
.pr-icon .icon { width: 26px; height: 26px; }
[data-btn="broadcast"] .practice-banner { background: var(--text); color: var(--bg); font-family: var(--font-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; }
[data-btn="broadcast"] .practice-banner .btn { background: var(--accent); color: var(--accent-ink); border-color: transparent; }