/* ============================================================
   SYNC CINEMA — 深夜放映厅
   Art-Deco marquee · spotlight gold · velvet curtain · film grain
   Display: Georgia / 宋体 serif   Body: system sans
   ============================================================ */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  /* midnight auditorium */
  --ink:        #0e0c15;
  --ink-2:      #151221;
  --ink-3:      #1c1830;
  --panel:      #1a1626;
  --panel-2:    #221d33;
  --line:       #332b4a;
  --line-hi:    #4a3f6b;

  /* spotlight gold (marquee) */
  --gold:       #d9a83f;
  --gold-hi:    #f2cd6e;
  --gold-deep:  #9c7524;

  /* velvet curtain */
  --velvet:     #7a2438;
  --velvet-hi:  #a13050;

  /* warm cream (house lights) */
  --cream:      #f3e9d6;
  --cream-dim:  #b6a98f;
  --cream-faint:#7d7260;

  --green:      #5cb87a;
  --red:        #e05252;

  --serif: Georgia, "Times New Roman", "Songti SC", "STSong", "SimSun", serif;
  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono:  "SF Mono", "Cascadia Code", Consolas, monospace;
}

html, body { height: 100%; }

body {
  font-family: var(--sans);
  color: var(--cream);
  background: var(--ink);
  min-height: 100dvh;
  -webkit-tap-highlight-color: transparent;
  overflow-x: hidden;
}

/* ---- ambient: projector beam + velvet wings + house glow ---- */
body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  /* Must stay behind page content. z-index:0 paints OVER static in-flow
     descendants (top-bar buttons, room info) inside body's stacking context,
     making them clickable but invisible. */
  z-index: -1;
  background:
    /* projector cone from top center */
    conic-gradient(from 180deg at 50% -10%,
      transparent 40%, rgba(242,205,110,.06) 47%, rgba(242,205,110,.12) 50%,
      rgba(242,205,110,.06) 53%, transparent 60%),
    /* velvet curtain wings */
    linear-gradient(90deg, rgba(122,36,56,.22), transparent 16%, transparent 84%, rgba(122,36,56,.22)),
    /* warm glow at floor */
    radial-gradient(900px 420px at 50% 112%, rgba(217,168,63,.10), transparent 70%),
    linear-gradient(var(--ink), var(--ink-2));
}

/* ---- film grain ---- */
body::after {
  content: "";
  position: fixed; inset: -50%;
  pointer-events: none;
  z-index: 999;
  opacity: .05;
  background-image:
    repeating-radial-gradient(circle at 17% 32%, #fff 0 1px, transparent 1px 3px),
    repeating-radial-gradient(circle at 63% 71%, #fff 0 1px, transparent 1px 4px);
  animation: grain 1.2s steps(4) infinite;
}
@keyframes grain {
  0% { transform: translate(0,0); }
  25% { transform: translate(-2%,1%); }
  50% { transform: translate(1%,-2%); }
  75% { transform: translate(-1%,2%); }
  100% { transform: translate(2%,-1%); }
}

/* floating dust in the beam */
.dust { position: fixed; border-radius: 50%; background: rgba(242,205,110,.5); pointer-events: none; z-index: 1; filter: blur(1px); }
.dust.d1 { width:3px;height:3px; left:44%; top:18%; animation: drift 11s ease-in-out infinite; }
.dust.d2 { width:2px;height:2px; left:52%; top:30%; animation: drift 14s ease-in-out infinite reverse; }
.dust.d3 { width:4px;height:4px; left:48%; top:12%; animation: drift 17s ease-in-out infinite; opacity:.6; }
.dust.d4 { width:2px;height:2px; left:57%; top:22%; animation: drift 13s ease-in-out infinite reverse; opacity:.7; }
@keyframes drift {
  0%,100% { transform: translate(0,0); opacity:.2; }
  50% { transform: translate(14px,26px); opacity:.8; }
}

::selection { background: rgba(217,168,63,.4); color: var(--ink); }

/* ================= type helpers ================= */
.kicker {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .32em;
  text-transform: uppercase;
  color: var(--gold);
}
.serif { font-family: var(--serif); }

/* ================= buttons ================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 15px; font-weight: 600;
  font-family: var(--sans);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform .16s ease, box-shadow .25s ease, background .25s ease, border-color .25s;
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--gold-hi); outline-offset: 2px; }

/* gold marquee button with sheen sweep */
.btn-primary {
  background: linear-gradient(180deg, var(--gold-hi), var(--gold) 55%, var(--gold-deep));
  color: #241a05;
  box-shadow: 0 1px 0 var(--gold-hi) inset, 0 3px 0 var(--gold-deep), 0 8px 24px rgba(217,168,63,.28);
}
.btn-primary::after {
  content: "";
  position: absolute; top: 0; bottom: 0; left: -70%;
  width: 45%;
  background: linear-gradient(105deg, transparent, rgba(255,255,255,.5), transparent);
  transform: skewX(-20deg);
  transition: left .55s ease;
}
.btn-primary:hover::after { left: 130%; }
.btn-primary:hover { box-shadow: 0 1px 0 var(--gold-hi) inset, 0 3px 0 var(--gold-deep), 0 10px 32px rgba(242,205,110,.45); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.btn-secondary {
  background: var(--panel-2);
  color: var(--cream);
  border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--gold); color: var(--gold-hi); background: var(--ink-3); }

.btn-big { width: 100%; padding: 16px; font-size: 16px; }

.btn-icon {
  background: none; border: 1px solid transparent;
  width: 38px; height: 38px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 8px;
  cursor: pointer; color: var(--cream-dim);
  transition: color .2s, background .2s, border-color .2s, transform .15s;
}
.btn-icon svg { width: 19px; height: 19px; }
.btn-icon:hover { color: var(--gold-hi); background: rgba(217,168,63,.1); border-color: rgba(217,168,63,.25); }
.btn-icon:active { transform: scale(.9); }
.btn-icon.danger:hover { color: var(--red); background: rgba(224,82,82,.1); border-color: rgba(224,82,82,.3); }

/* ================= inputs ================= */
input[type="text"] {
  width: 100%;
  padding: 13px 15px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--cream);
  font-size: 15px;
  font-family: var(--sans);
  outline: none;
  transition: border-color .2s, box-shadow .25s, background .2s;
}
input[type="text"]::placeholder { color: var(--cream-faint); }
input[type="text"]:focus { border-color: var(--gold); background: var(--ink-3); box-shadow: 0 0 0 3px rgba(217,168,63,.16); }

/* ============================================================
   LANDING — the marquee
   ============================================================ */
.landing {
  position: relative; z-index: 2;
  display: flex; align-items: center; justify-content: center;
  padding: 32px 20px;
  min-height: 100dvh;
}
.landing .container { width: 100%; max-width: 440px; }

/* marquee sign with bulb border */
.marquee {
  position: relative;
  text-align: center;
  padding: 34px 22px 30px;
  margin-bottom: 26px;
  background: linear-gradient(160deg, var(--ink-3), var(--panel));
  border: 1px solid var(--line-hi);
  border-radius: 10px;
  box-shadow: 0 0 0 4px var(--ink-2), 0 0 0 5px var(--line), 0 24px 60px rgba(0,0,0,.6);
}
/* bulb strips — top & bottom */
.marquee::before, .marquee::after {
  content: "";
  position: absolute; left: 14px; right: 14px; height: 8px;
  background-image: radial-gradient(circle, var(--gold-hi) 0 2.4px, rgba(242,205,110,.15) 3px, transparent 3.6px);
  background-size: 22px 8px;
  background-repeat: repeat-x;
  background-position: center;
  animation: bulbs 1.8s ease-in-out infinite;
  filter: drop-shadow(0 0 5px rgba(242,205,110,.8));
}
.marquee::before { top: 8px; }
.marquee::after { bottom: 8px; animation-delay: .9s; }
@keyframes bulbs { 0%,100% { opacity: 1; } 50% { opacity: .45; } }

.marquee .over {
  font-size: 10px;
  letter-spacing: .5em;
  text-transform: uppercase;
  color: var(--cream-dim);
  margin-bottom: 10px;
}
.marquee h1 {
  font-family: var(--serif);
  font-size: 52px;
  font-weight: 700;
  line-height: .95;
  letter-spacing: .02em;
  color: var(--cream);
  text-transform: uppercase;
}
.marquee h1 .gold {
  display: block;
  color: var(--gold-hi);
  text-shadow: 0 0 22px rgba(242,205,110,.55), 0 0 4px rgba(242,205,110,.8);
}
.marquee .sub {
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: .42em;
  color: var(--cream-dim);
}
.marquee .sub b { color: var(--gold); font-weight: 600; }

/* ticket */
.ticket {
  position: relative;
  background: linear-gradient(150deg, var(--panel), var(--panel-2));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px 24px 22px;
  box-shadow: 0 24px 60px rgba(0,0,0,.55);
  transition: transform .3s ease, box-shadow .3s ease;
}
.ticket:hover { transform: translateY(-3px); box-shadow: 0 30px 70px rgba(0,0,0,.65); }
/* perforation notches */
.ticket::before, .ticket::after {
  content: "";
  position: absolute;
  width: 24px; height: 24px;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 50%;
  top: 56%; transform: translateY(-50%);
}
.ticket::before { left: -13px; }
.ticket::after { right: -13px; }

.ticket .t-head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 20px;
}
.ticket .t-head .no { font-family: var(--mono); font-size: 12px; color: var(--cream-faint); letter-spacing: .1em; }

.field { margin-bottom: 18px; }
.field-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--cream-dim);
  margin-bottom: 8px;
}

.ticket .tear {
  display: flex; align-items: center; gap: 12px;
  margin: 20px -24px;
}
.ticket .tear::before, .ticket .tear::after {
  content: ""; flex: 1; height: 0;
  border-top: 2px dashed var(--line-hi);
}
.ticket .tear span { font-size: 10px; letter-spacing: .3em; color: var(--cream-faint); text-transform: uppercase; }

.join-row { display: flex; gap: 8px; }
.join-row input { flex: 1; font-family: var(--mono); letter-spacing: .28em; text-transform: uppercase; }
.join-row .btn { flex-shrink: 0; }

/* barcode */
.barcode {
  margin-top: 20px;
  height: 34px;
  background: repeating-linear-gradient(90deg,
    var(--cream-dim) 0 2px, transparent 2px 5px,
    var(--cream-dim) 5px 6px, transparent 6px 11px,
    var(--cream-dim) 11px 14px, transparent 14px 17px);
  opacity: .35;
  border-radius: 2px;
}

.landing .footnote {
  margin-top: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--cream-faint);
  line-height: 1.9;
  letter-spacing: .04em;
}

.beian {
  margin-top: 18px;
  text-align: center;
  font-size: 12px;
  line-height: 1.6;
}
.beian a {
  color: var(--cream-faint);
  text-decoration: none;
  letter-spacing: .04em;
  opacity: .85;
  transition: color .2s, opacity .2s;
}
.beian a:hover {
  color: var(--cream-dim);
  opacity: 1;
  text-decoration: underline;
}

/* ============================================================
   PLAYER — the screening room
   ============================================================ */
.player-page { position: relative; z-index: 2; display: flex; flex-direction: column; height: 100dvh; overflow: hidden; }

.top-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 12px;
  background: linear-gradient(180deg, var(--ink-3), rgba(21,18,33,.85));
  border-bottom: 1px solid var(--line);
  flex-shrink: 0;
}
.room-info { display: flex; align-items: center; gap: 11px; }
.onair {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 9px; font-weight: 700; letter-spacing: .22em;
  color: var(--velvet-hi);
  border: 1px solid var(--velvet);
  border-radius: 3px;
  padding: 3px 7px;
  background: rgba(122,36,56,.18);
}
.onair .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 8px var(--red); animation: onair 1.4s infinite; }
@keyframes onair { 0%,100% { opacity: 1; } 50% { opacity: .3; } }
.room-label { font-size: 12px; color: var(--cream-dim); letter-spacing: .06em; }
.room-label strong {
  font-family: var(--mono);
  color: var(--gold-hi);
  font-size: 15px;
  letter-spacing: .18em;
  text-shadow: 0 0 12px rgba(242,205,110,.4);
}
.online-count { font-size: 11px; color: var(--cream-faint); }
.online-count b { color: var(--green); font-weight: 700; }
.build-tag { font-family: var(--mono); font-size: 9px; letter-spacing: .08em; color: var(--cream-faint); border: 1px solid var(--line); border-radius: 3px; padding: 2px 6px; opacity: .8; }
.top-actions { display: flex; gap: 3px; }

.player-area { flex: 1; display: flex; flex-direction: column; min-height: 0; }

/* screen with subtle bezel */
.video-wrapper {
  position: relative; flex: 1;
  background: #000;
  display: flex; align-items: center; justify-content: center;
  min-height: 0;
  box-shadow: inset 0 0 0 1px var(--line), inset 0 0 80px rgba(0,0,0,.8);
}
.video-wrapper video { width: 100%; height: 100%; object-fit: contain; }

/* ---- overlay: now-showing card ---- */
.video-overlay {
  position: absolute; inset: 0;
  background:
    conic-gradient(from 180deg at 50% -10%, transparent 42%, rgba(242,205,110,.08) 50%, transparent 58%),
    rgba(12,10,18,.95);
  display: flex; align-items: center; justify-content: center;
  z-index: 10;
  padding: 20px;
}
.overlay-box { width: 100%; max-width: 460px; text-align: center; }

.overlay-kicker {
  font-size: 10px; font-weight: 600;
  letter-spacing: .42em; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
}
.overlay-kicker::before { content: "✦ "; color: var(--velvet-hi); }
.overlay-kicker::after { content: " ✦"; color: var(--velvet-hi); }

.url-input-group { display: flex; gap: 8px; margin-bottom: 14px; }
.url-input-group input { flex: 1; }
.url-input-group .btn { flex-shrink: 0; }

.mode-switch {
  display: flex; gap: 0;
  margin: 0 auto 16px;
  max-width: 320px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--ink-2);
}
.mode-btn {
  flex: 1;
  border: none;
  background: transparent;
  color: var(--cream-faint);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--sans);
  padding: 10px 12px;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.mode-btn.active {
  background: linear-gradient(180deg, rgba(217,168,63,.28), rgba(217,168,63,.12));
  color: var(--gold-hi);
  box-shadow: inset 0 0 0 1px rgba(217,168,63,.35);
}
.mode-btn:not(.active):hover { color: var(--cream); background: rgba(255,255,255,.03); }

.mode-pill {
  display: inline-flex;
  margin: -8px auto 16px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-hi);
  color: var(--gold);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.overlay-hint { font-size: 12px; color: var(--cream-faint); line-height: 1.8; margin-top: 14px; letter-spacing: .03em; }

.joiner-film {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 700;
  color: var(--cream);
  line-height: 1.35;
  margin-bottom: 22px;
  word-break: break-all;
  max-height: 110px;
  overflow: hidden;
  text-shadow: 0 0 24px rgba(242,205,110,.2);
}

.overlay-stack { display: flex; flex-direction: column; gap: 10px; }

/* big center play */
.big-play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.35);
  cursor: pointer; z-index: 5;
  transition: background .25s;
}
.big-play:hover { background: rgba(0,0,0,.12); }
.big-play .ring {
  width: 84px; height: 84px;
  border-radius: 50%;
  border: 2px solid rgba(242,205,110,.85);
  display: flex; align-items: center; justify-content: center;
  color: var(--gold-hi);
  background: rgba(14,12,21,.55);
  box-shadow: 0 0 40px rgba(242,205,110,.3);
  transition: transform .25s, box-shadow .25s;
}
.big-play:hover .ring { transform: scale(1.08); box-shadow: 0 0 60px rgba(242,205,110,.5); }
.big-play svg { width: 34px; height: 34px; margin-left: 4px; }

/* sync flash */
.sync-flash {
  position: absolute; top: 14px; left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: rgba(12,10,18,.9);
  border: 1px solid var(--line-hi);
  color: var(--cream);
  padding: 6px 18px; border-radius: 20px;
  font-size: 13px; letter-spacing: .05em;
  pointer-events: none;
  opacity: 0; transition: opacity .25s, transform .25s; z-index: 15;
}
.sync-flash.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* tap to play (audio unlock) */
.tap-to-play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.62); z-index: 20; cursor: pointer;
}
.tap-to-play span {
  background: linear-gradient(180deg, var(--gold-hi), var(--gold));
  color: #241a05;
  padding: 15px 32px; border-radius: 30px;
  font-size: 16px; font-weight: 700; letter-spacing: .04em;
  box-shadow: 0 10px 36px rgba(217,168,63,.4);
  animation: tap 1.5s infinite;
}
@keyframes tap { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

/* ---- control deck ---- */
.controls {
  background: linear-gradient(0deg, #161022 0%, #262040 100%);
  border-top: 2px solid var(--gold-deep);
  padding: 9px 14px 13px;
  flex-shrink: 0;
  box-shadow: 0 -6px 24px rgba(0,0,0,.45);
}
.progress-row { display: flex; align-items: center; gap: 10px; margin-bottom: 9px; }
.time { font-size: 11px; color: var(--cream); font-family: var(--mono); min-width: 46px; text-align: center; letter-spacing: .04em; text-shadow: 0 1px 3px rgba(0,0,0,.9); }

/* 自定义 div 滑块：track/fill/thumb 都是普通 div（浏览器一定会绘制），
   原生 <input type="range"> 透明覆盖在最上层负责拖动/键盘/无障碍。
   不依赖 ::-webkit-slider-runnable-track 伪元素（在部分 Chromium 里背景不绘制）。 */
.slider-wrap { position: relative; flex: 1; height: 16px; display: flex; align-items: center; cursor: pointer; }
/* 底层轨道：未缓存区域（更深） */
.slider-track { position: absolute; left: 0; right: 0; height: 7px; border-radius: 4px;
  background: rgba(243,233,214,.16); border: 1px solid rgba(243,233,214,.22);
  box-shadow: inset 0 1px 2px rgba(0,0,0,.35); z-index: 0; }
/* 中层：已缓存 / 已缓冲（浅色） */
.slider-buffer { position: absolute; left: 0; right: 0; height: 7px; border-radius: 4px;
  pointer-events: none; overflow: hidden; z-index: 1; }
.slider-buffer-seg { position: absolute; top: 0; height: 100%; border-radius: 4px;
  background: rgba(243,233,214,.5); box-shadow: inset 0 1px 0 rgba(255,255,255,.08); }
/* 上层：播放进度（金色，保持原样） */
.slider-fill { position: absolute; left: 0; height: 7px; border-radius: 4px;
  background: linear-gradient(90deg, var(--gold), var(--gold-hi)); width: 0%;
  box-shadow: 0 0 6px rgba(242,205,110,.45); z-index: 2; }
.slider-thumb { position: absolute; width: 16px; height: 16px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--gold-hi), var(--gold) 62%, var(--gold-deep));
  border: 2px solid #fff3d6;
  box-shadow: 0 0 10px rgba(242,205,110,.85), 0 2px 6px rgba(0,0,0,.6);
  transform: translateX(-50%); left: 0%; pointer-events: none; transition: transform .15s; z-index: 3; }
.slider-wrap:hover .slider-thumb { transform: translateX(-50%) scale(1.25); }

/* 音量条：更细，奶色填充 */
.vol-wrap { flex: 0 0 62px; width: 62px; }
.vol-track { height: 4px; border-radius: 2px; background: rgba(243,233,214,.25); border: none; box-shadow: inset 0 1px 2px rgba(0,0,0,.5); }
.vol-fill { height: 4px; border-radius: 2px; background: var(--cream); width: 100%; box-shadow: none; }
.vol-thumb { width: 11px; height: 11px; border: 1px solid var(--gold-deep); background: var(--cream); box-shadow: 0 0 6px rgba(242,205,110,.55); }

/* 原生 range 输入框：透明覆盖在 slider-wrap 上，只负责交互 */
.progress-bar, .volume-bar {
  position: absolute; inset: 0; width: 100%; height: 100%;
  -webkit-appearance: none; appearance: none;
  background: transparent; outline: none; cursor: pointer;
  opacity: 0; margin: 0; z-index: 2;
}
.progress-bar::-webkit-slider-thumb, .volume-bar::-webkit-slider-thumb {
  -webkit-appearance: none; width: 16px; height: 16px; cursor: pointer;
}
.progress-bar::-moz-range-thumb, .volume-bar::-moz-range-thumb {
  width: 16px; height: 16px; border: none; background: transparent; cursor: pointer;
}

.btn-row { display: flex; align-items: center; gap: 6px; }
.ctrl-btn {
  background: rgba(243,233,214,.10);
  border: 1px solid rgba(243,233,214,.18);
  width: 40px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fdf6e6; cursor: pointer; border-radius: 8px;
  transition: color .2s, background .2s, border-color .2s, box-shadow .2s;
}
.ctrl-btn svg { width: 20px; height: 20px; filter: drop-shadow(0 1px 2px rgba(0,0,0,.6)); }
.ctrl-btn:hover { color: var(--gold-hi); background: rgba(217,168,63,.18); border-color: rgba(217,168,63,.55); }

/* 播放/暂停键：金色主按钮，控制区视觉焦点 */
#playPauseBtn {
  width: 48px;
  background: linear-gradient(180deg, var(--gold-hi), var(--gold) 55%, var(--gold-deep));
  border: none; color: #241a05;
  box-shadow: 0 2px 0 var(--gold-deep), 0 4px 14px rgba(217,168,63,.35);
}
#playPauseBtn svg { filter: none; }
#playPauseBtn:hover {
  color: #241a05;
  background: linear-gradient(180deg, #ffe08a, var(--gold-hi) 55%, var(--gold));
  border: none;
  box-shadow: 0 2px 0 var(--gold-deep), 0 6px 20px rgba(242,205,110,.55);
}
.spacer { flex: 1; }

.volume-group { display: flex; align-items: center; gap: 2px; }
.rate-select {
  background: var(--ink-2); color: var(--cream);
  border: 1px solid var(--line-hi);
  border-radius: 5px; padding: 5px 7px; font-size: 12px; cursor: pointer; outline: none;
  font-family: var(--mono);
  transition: border-color .2s, color .2s;
}
.rate-select:hover { border-color: var(--gold); color: var(--gold-hi); }

/* ---- chat panel ---- */
.chat-panel {
  position: fixed; right: -320px; top: 0; bottom: 0; width: 300px;
  background: var(--panel);
  border-left: 1px solid var(--line);
  display: flex; flex-direction: column;
  transition: right .32s cubic-bezier(.4,0,.2,1); z-index: 50;
  box-shadow: -14px 0 50px rgba(0,0,0,.6);
}
.chat-panel.open { right: 0; }
.chat-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px; border-bottom: 1px solid var(--line);
  font-size: 12px; font-weight: 700; letter-spacing: .3em; text-transform: uppercase; color: var(--gold);
}
.chat-messages { flex: 1; overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 9px; }
.chat-msg { font-size: 13px; line-height: 1.55; word-break: break-all; }
.chat-msg.system { color: var(--cream-faint); font-style: italic; font-size: 12px; }
.chat-input-row { display: flex; gap: 8px; padding: 12px; border-top: 1px solid var(--line); }
.chat-input-row input { flex: 1; }
.chat-input-row .btn { padding: 10px 16px; }

/* ---- toast ---- */
.toast {
  position: fixed; bottom: 88px; left: 50%;
  transform: translateX(-50%) translateY(18px);
  background: rgba(12,10,18,.95);
  border: 1px solid var(--gold-deep);
  color: var(--cream);
  padding: 10px 24px; border-radius: 24px;
  font-size: 13px; letter-spacing: .04em;
  pointer-events: none;
  opacity: 0; transition: opacity .28s, transform .28s; z-index: 100;
  white-space: nowrap;
  box-shadow: 0 10px 34px rgba(0,0,0,.6), 0 0 20px rgba(217,168,63,.15);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---- "选择文件"待办状态 ---- */
.btn.pick-ready {
  background: linear-gradient(180deg, var(--gold-hi), var(--gold));
  color: #241a05;
  border-color: transparent;
  font-weight: 700;
  box-shadow: 0 3px 0 var(--gold-deep), 0 8px 26px rgba(217,168,63,.4);
  animation: pickpulse 1.5s infinite;
}
@keyframes pickpulse {
  0%,100% { box-shadow: 0 3px 0 var(--gold-deep), 0 8px 26px rgba(217,168,63,.4); }
  50% { box-shadow: 0 3px 0 var(--gold-deep), 0 10px 36px rgba(242,205,110,.65); }
}

/* ---- responsive ---- */
@media (max-width: 600px) {
  .volume-group { display: none; }
  .chat-panel { width: 100%; right: -100%; }
  .marquee h1 { font-size: 40px; }
  .url-input-group { flex-direction: column; }
  .joiner-film { font-size: 20px; }
}

/* fullscreen */
.player-area:fullscreen { background: #000; position: relative; }
.player-area:fullscreen video { height: 100%; }
/* In fullscreen the control bar floats over the picture, becoming a cinema-style bottom gradient; auto-fades out when idle */
.player-area:fullscreen .controls {
  position: absolute; left: 0; right: 0; bottom: 0;
  border-top: none;
  background: linear-gradient(0deg, rgba(22,18,40,.97) 0%, rgba(22,18,40,.82) 42%, rgba(22,18,40,0) 100%);
  padding-top: 30px;
  transition: opacity .32s ease, transform .32s ease;
}
.player-area:fullscreen .controls.ctl-hidden {
  opacity: 0; transform: translateY(10px); pointer-events: none;
}
.player-area.cursor-off, .player-area.cursor-off * { cursor: none; }

/* ---- reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  body::after, .dust { display: none; }
}

/* ---- SVG 图标状态切换 ---- */
.ctrl-btn .i-pause { display: none; }
.ctrl-btn.playing .i-play { display: none; }
.ctrl-btn.playing .i-pause { display: inline; }
.ctrl-btn .i-mute { display: none; }
.ctrl-btn.muted .i-vol { display: none; }
.ctrl-btn.muted .i-mute { display: inline; }

/* ---- 片源匹配徽章 ---- */
.match-pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10px; font-weight: 700; letter-spacing: .12em;
  padding: 3px 9px; border-radius: 20px;
  border: 1px solid transparent;
}
.match-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; }
.match-pill.match {
  color: var(--green);
  border-color: rgba(92,184,122,.4);
  background: rgba(92,184,122,.12);
}
.match-pill.match::before { background: var(--green); box-shadow: 0 0 6px var(--green); }
.match-pill.mismatch {
  color: var(--red);
  border-color: rgba(224,82,82,.45);
  background: rgba(224,82,82,.14);
  animation: mismatchblink 1.2s infinite;
}
.match-pill.mismatch::before { background: var(--red); box-shadow: 0 0 6px var(--red); }
@keyframes mismatchblink { 0%,100% { opacity: 1; } 50% { opacity: .55; } }
@media (max-width: 600px) {
  .match-pill { font-size: 9px; padding: 2px 7px; }
}

/* ==================== 内嵌字幕 ==================== */
.subtitle-overlay {
  position: absolute;
  left: 50%;
  bottom: 8%;
  transform: translateX(-50%);
  max-width: 88%;
  z-index: 6;
  pointer-events: none;
  text-align: center;
  white-space: pre-line;
  color: #fff;
  font-size: clamp(15px, 1.6vh + 9px, 26px);
  line-height: 1.4;
  font-family: var(--sans);
  text-shadow: 0 1px 3px rgba(0,0,0,.95), 0 0 14px rgba(0,0,0,.65);
  padding: 2px 8px;
}
#playerArea:fullscreen .subtitle-overlay {
  bottom: 12%;
  font-size: clamp(18px, 2.4vh + 10px, 40px);
}

.subtitle-wrap { position: relative; display: inline-flex; }
.ctrl-btn.cc-on {
  color: var(--gold-hi);
  border-color: rgba(217,168,63,.55);
  background: rgba(217,168,63,.18);
}

.subtitle-menu {
  position: absolute;
  bottom: calc(100% + 10px);
  right: 0;
  min-width: 190px;
  max-width: 260px;
  max-height: 240px;
  overflow-y: auto;
  background: rgba(21,18,33,.97);
  border: 1px solid var(--line-hi);
  border-radius: 10px;
  padding: 5px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 8px 28px rgba(0,0,0,.55);
  z-index: 30;
}
.subtitle-menu-item {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--cream-dim);
  font-size: 12.5px;
  font-family: var(--mono);
  text-align: left;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
  transition: background .15s, color .15s;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.subtitle-menu-item:hover { background: rgba(217,168,63,.15); color: var(--gold-hi); }
.subtitle-menu-item.active { background: rgba(217,168,63,.22); color: var(--gold-hi); }

/* ==================== 音轨兼容警告（AC3/DTS 无声提示） ==================== */
.audio-warn {
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 7;
  max-width: 92%;
  appearance: none;
  border: 1px solid rgba(255,178,178,.75);
  border-radius: 9px;
  background: rgba(224,82,82,.92);
  color: #fff;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.35;
  padding: 7px 14px;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(0,0,0,.45);
  animation: audiowarnpulse 1.6s ease-in-out infinite;
}
.audio-warn:hover { background: rgba(234,98,98,.98); }
@keyframes audiowarnpulse {
  0%, 100% { box-shadow: 0 4px 18px rgba(0,0,0,.45), 0 0 0 0 rgba(224,82,82,.55); }
  50% { box-shadow: 0 4px 18px rgba(0,0,0,.45), 0 0 0 7px rgba(224,82,82,0); }
}
@media (max-width: 600px) {
  .audio-warn { font-size: 11.5px; padding: 6px 10px; }
}

/* ============================================================
   屏幕共享（WebRTC P2P）— build 20260818b
   ============================================================ */
.share-stage {
  position: absolute; inset: 0;
  background: #050409;
  z-index: 40;
  display: flex; align-items: center; justify-content: center;
}
.share-video {
  width: 100%; height: 100%;
  object-fit: contain;
  background: #000;
}
.share-stage-bar {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: linear-gradient(180deg, rgba(10,8,18,.92), rgba(10,8,18,0));
  font-size: 13px;
  pointer-events: none;
}
.share-stage-bar > * { pointer-events: auto; }
.share-live-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cream-dim);
  border: 1px solid var(--line);
  padding: 3px 9px;
  background: rgba(14,12,21,.72);
  white-space: nowrap;
}
.share-live-badge.is-live { color: var(--gold-hi); border-color: var(--gold-deep); }
.share-live-badge.is-bad { color: var(--red); border-color: var(--red); cursor: pointer; }
.share-rec {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--velvet-hi);
  animation: share-blink 1.2s infinite;
  flex: none;
}
.share-live-badge.is-live .share-rec,
.share-sharer-bar .share-rec { background: var(--gold); }
@keyframes share-blink { 0%,100% { opacity: 1; } 50% { opacity: .2; } }
.share-stage-title {
  flex: 1;
  font-family: var(--serif);
  color: var(--cream);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.share-stage-actions { display: flex; gap: 8px; }
.share-mini-btn {
  font-size: 12px;
  padding: 5px 10px;
  background: rgba(26,22,38,.88);
  color: var(--cream);
  border: 1px solid var(--line);
  cursor: pointer;
  white-space: nowrap;
}
.share-mini-btn:hover { border-color: var(--gold-deep); color: var(--gold-hi); }
.share-exit:hover { border-color: var(--red); color: var(--red); }
.share-tap {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(5,4,9,.55);
  cursor: pointer;
  z-index: 2;
}
.share-tap span {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--gold-hi);
  border: 1px solid var(--gold-deep);
  padding: 10px 22px;
  background: rgba(14,12,21,.88);
}
/* 主播顶部提示条 */
.share-sharer-bar {
  position: absolute; top: 10px; left: 50%;
  transform: translateX(-50%);
  z-index: 41;
  display: flex; align-items: center; gap: 7px;
  padding: 7px 12px;
  background: rgba(20,16,32,.94);
  border: 1px solid var(--velvet-hi);
  font-size: 13px;
  color: var(--cream);
  white-space: nowrap;
  max-width: calc(100% - 24px);
}
.share-sharer-bar .share-sharer-count { color: var(--gold-hi); font-family: var(--mono); }
.share-stop-btn {
  margin-left: 6px;
  font-size: 12px;
  padding: 4px 10px;
  background: var(--velvet);
  color: var(--cream);
  border: 1px solid var(--velvet-hi);
  cursor: pointer;
}
.share-stop-btn:hover { background: var(--velvet-hi); }
/* 顶栏按钮状态 */
#screenShareBtn.is-sharing { color: var(--velvet-hi); border-color: var(--velvet-hi); }
#screenShareBtn.is-watching { color: var(--gold-hi); border-color: var(--gold-deep); }
/* 使用说明弹层 */
.share-help-backdrop {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(5,4,9,.72);
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.share-help {
  max-width: 440px;
  background: var(--panel);
  border: 1px solid var(--line-hi);
  padding: 22px 24px;
  box-shadow: 0 18px 60px rgba(0,0,0,.55);
}
.share-help-title {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--gold-hi);
  margin-bottom: 14px;
}
.share-help ul { list-style: none; display: grid; gap: 9px; margin-bottom: 18px; }
.share-help li {
  font-size: 13px; line-height: 1.65;
  color: var(--cream-dim);
  padding-left: 16px; position: relative;
}
.share-help li::before {
  content: "◆"; position: absolute; left: 0; top: 2px;
  color: var(--gold-deep); font-size: 9px;
}
.share-help li b { color: var(--cream); }
.share-help-ok { width: 100%; }
@media (max-width: 560px) {
  .share-stage-bar { flex-wrap: wrap; }
  .share-stage-title { flex-basis: 100%; order: 3; }
}

/* 屏幕共享 — 真全屏 & 亮度（build 20260818d） */
.share-stage:fullscreen,
.share-stage:-webkit-full-screen {
  width: 100%; height: 100%;
  background: #000;
}
.share-stage-bar { transition: opacity .3s; }
.share-stage.fs-idle .share-stage-bar,
.share-stage.fs-idle .share-stage-bar > * {
  opacity: 0;
  pointer-events: none;
}
.share-bright-wrap {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px;
  color: var(--cream-dim);
  white-space: nowrap;
}
.share-bright { width: 84px; accent-color: var(--gold); cursor: pointer; }

/* 画面填充模式（build 20260818f）：适应=contain 铺满=cover裁切 拉伸=fill */
.video-wrapper video.fit-cover,
.share-video.fit-cover,
.player-area:fullscreen video.fit-cover { object-fit: cover; }
.video-wrapper video.fit-fill,
.share-video.fit-fill,
.player-area:fullscreen video.fit-fill { object-fit: fill; }
.fit-mode-btn {
  font-size: 12px;
  min-width: 46px;
  letter-spacing: .05em;
}