/* Общие стили: кнопки, форма настроек, окна и сам текст суфлёра */
:root {
  --ui-bg: #0d0e11;
  --ui-panel: #15171b;
  --ui-card: #1d2026;
  --ui-card-2: #252931;
  --ui-line: #2d313a;
  --ui-text: #f2f3f5;
  --ui-mute: #959cab;
  --accent: #ff5533;
  --accent-ink: #fff;
  --ok: #30d158;
  --warn: #ffb020;
  --bad: #ff453a;
  --r: 14px;
  color-scheme: dark;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; }
body { background: var(--ui-bg); color: var(--ui-text); }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; touch-action: manipulation; }
a { color: inherit; }

.ic { width: 24px; height: 24px; flex: none; display: block; }

/* кнопка-иконка */
.ib {
  display: inline-grid; place-items: center; flex: none;
  width: 48px; height: 48px; padding: 0;
  border: 0; border-radius: 14px;
  background: rgba(255, 255, 255, .08); color: var(--ui-text);
  transition: transform .08s, background .15s;
  user-select: none; -webkit-user-select: none;
}
.ib:hover { background: rgba(255, 255, 255, .13); }
.ib:active { transform: scale(.93); }
.ib.on { background: var(--accent); color: var(--accent-ink); }
.ib.sm { width: 36px; height: 36px; border-radius: 10px; }
.ib.sm .ic { width: 18px; height: 18px; }
.ib.txt { display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 19px; line-height: 1; }
.ib.txt sup { font-size: 13px; margin-left: 1px; position: relative; top: -.15em; vertical-align: baseline; }
.ib:disabled { opacity: .35; pointer-events: none; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 16px;
  border: 0; border-radius: 12px;
  background: rgba(255, 255, 255, .09); color: var(--ui-text);
  font-weight: 600; font-size: 15px; text-decoration: none; text-align: center;
  user-select: none; -webkit-user-select: none;
}
.btn:active { transform: scale(.97); }
.btn .ic { width: 20px; height: 20px; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.danger { color: #ff8a80; }
.btn.wide { width: 100%; }
.btn.sm { min-height: 36px; padding: 0 12px; font-size: 14px; border-radius: 10px; }

/* форма настроек */
.sg { margin: 22px 0 8px; font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ui-mute); }
.sg:first-child { margin-top: 4px; }
.sf { display: block; padding: 10px 0; border-bottom: 1px solid var(--ui-line); }
.sf > label { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; font-size: 15px; margin-bottom: 8px; }
.sf output { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--ui-text); }
.sf .rr { display: flex; align-items: center; gap: 10px; }
.sf .rr input { flex: 1; min-width: 0; }
.sf.toggle, .sf.color { display: flex; justify-content: space-between; align-items: center; gap: 12px; font-size: 15px; cursor: pointer; }
.sf.toggle input { position: absolute; opacity: 0; pointer-events: none; }
.sw { position: relative; flex: none; width: 50px; height: 30px; border-radius: 99px; background: #3a3f4a; transition: background .18s; }
.sw::after { content: ''; position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%; background: #fff; transition: transform .18s; box-shadow: 0 1px 3px rgba(0, 0, 0, .4); }
.sf.toggle input:checked + .sw { background: var(--ok); }
.sf.toggle input:checked + .sw::after { transform: translateX(20px); }
.sf.toggle input:focus-visible + .sw { outline: 2px solid var(--accent); outline-offset: 2px; }
.sf.color input { width: 52px; height: 34px; padding: 0; border: 1px solid var(--ui-line); border-radius: 8px; background: none; }
.seg { display: flex; gap: 4px; padding: 4px; border-radius: 12px; background: rgba(255, 255, 255, .06); }
.seg.wrap { flex-wrap: wrap; }
.seg button { flex: 1 1 auto; min-height: 36px; padding: 0 10px; border: 0; border-radius: 9px; background: none; font-size: 14px; font-weight: 600; color: var(--ui-mute); white-space: nowrap; }
.seg button.on { background: var(--ui-card-2); color: var(--ui-text); box-shadow: 0 1px 3px rgba(0, 0, 0, .35); }
.themes { display: flex; gap: 8px; flex-wrap: wrap; }
.themes button { width: 52px; height: 40px; border-radius: 10px; border: 2px solid var(--ui-line); font-weight: 700; font-size: 16px; }
.themes button.on { border-color: var(--accent); }

input[type=range] { -webkit-appearance: none; appearance: none; height: 32px; background: none; touch-action: pan-y; }
input[type=range]::-webkit-slider-runnable-track { height: 6px; border-radius: 3px; background: #3a3f4a; }
input[type=range]::-moz-range-track { height: 6px; border-radius: 3px; background: #3a3f4a; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 26px; height: 26px; margin-top: -10px; border-radius: 50%; background: #fff; box-shadow: 0 1px 4px rgba(0, 0, 0, .5); }
input[type=range]::-moz-range-thumb { width: 26px; height: 26px; border: 0; border-radius: 50%; background: #fff; }

.keys { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 0; font-size: 14px; }
.keys dt { font-weight: 600; white-space: nowrap; }
.keys dd { margin: 0; color: var(--ui-mute); }

/* окна */
.modal { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; padding: 16px; background: rgba(0, 0, 0, .72); }
.card { position: relative; width: min(440px, 100%); max-height: calc(100dvh - 32px); overflow: auto; padding: 24px; border-radius: 20px; background: var(--ui-panel); box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.card h2 { margin: 0 0 4px; font-size: 22px; }
.card p { margin: 0 0 14px; color: var(--ui-mute); }
.card .close { position: absolute; top: 12px; right: 12px; }
.qr { width: min(260px, 70vw); margin: 6px auto 14px; padding: 0; border-radius: 12px; overflow: hidden; background: #fff; }
.qr svg { display: block; width: 100%; height: auto; }
.code { font-size: 18px; text-align: center; }
.code b { font-size: 30px; letter-spacing: .12em; font-variant-numeric: tabular-nums; }
.url { margin-top: 6px; text-align: center; color: var(--ui-mute); font-size: 14px; word-break: break-all; }
.hint { margin-top: 14px !important; font-size: 13px; text-align: center; }

/* ---- текст суфлёра (экран и превью пульта) ---- */
.pv-col { position: absolute; top: 0; left: 50%; will-change: transform; color: var(--fg, #fff); }
.pv-text { overflow-wrap: break-word; }
.pv-text .b { min-height: 1px; }
.pv-text .gap { height: .55em; }
.pv-text b { font-weight: 800; }
.pv-text .head { margin-top: .35em; font-size: .72em; letter-spacing: .05em; text-transform: uppercase; color: var(--accent); }
.pv-text .cue { font-style: italic; font-weight: 500; font-size: .8em; opacity: .6; }
.pv-text .cue::before { content: '['; } .pv-text .cue::after { content: ']'; }
.no-cues .pv-text .cue, .no-cues .pv-text .cueline { display: none; }
.pv-text .stop { display: flex; align-items: center; gap: .5em; padding: .35em 0; color: var(--accent); font-size: .42em; font-weight: 800; letter-spacing: .25em; text-transform: uppercase; }
.pv-text .stop::before, .pv-text .stop::after { content: ''; flex: 1; border-top: .16em dashed currentColor; opacity: .8; }
.pv-end { padding: .6em 0 0; font-size: .5em; text-align: center; letter-spacing: .3em; opacity: .35; }

.dim { position: absolute; left: 0; right: 0; top: 0; z-index: 2; pointer-events: none; }
.guide { position: absolute; left: 0; right: 0; z-index: 3; pointer-events: none; background: rgba(128, 128, 128, .1); --arrow: 20px; }
.guide i { position: absolute; top: 50%; width: 0; height: 0; border-style: solid; transform: translateY(-50%); }
.guide .gl { left: 0; border-width: calc(var(--arrow) * .62) 0 calc(var(--arrow) * .62) var(--arrow); border-color: transparent transparent transparent var(--accent); }
.guide .gr { right: 0; border-width: calc(var(--arrow) * .62) var(--arrow) calc(var(--arrow) * .62) 0; border-color: transparent var(--accent) transparent transparent; }