/* public/css/player.css */
/* ─────────────────────────────────────────
   Softecho · 能量补给站
   ───────────────────────────────────────── */

:root {
  --gold:        #c9a84c;
  --gold-light:  #e8c97a;
  --cream:       #f0ead8;
  --cream-faint: rgba(240, 234, 216, 0.4);
  --cream-dim:   rgba(240, 234, 216, 0.6);
  --bg-deep:     #04060f;

  --font-serif:   'Songti SC', 'STSong', 'SimSun', 'Noto Serif CJK SC', Georgia, serif;
  --font-display: Georgia, 'Palatino Linotype', 'Times New Roman', serif;

  --radius-btn:  18px;
  --transition:  0.4s cubic-bezier(.16, 1, .3, 1);
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg-deep);
  color: var(--cream);
  font-family: var(--font-serif);
  min-height: 100dvh;
  overflow-x: hidden;
}

/* ── 星空画布 ───────────────────────── */
#starfield { position: fixed; inset: 0; z-index: 0; pointer-events: none; }

/* ── 背景渐变 ───────────────────────── */
.bg-gradient {
  position: fixed; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, #0d1b3e 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 20% 100%, #0a1628 0%, transparent 50%),
    linear-gradient(170deg, #060c1e 0%, #04060f 40%, #02040a 100%);
  pointer-events: none;
}

/* ── 星云光晕 ───────────────────────── */
.nebula {
  position: fixed; border-radius: 50%; filter: blur(80px);
  pointer-events: none; z-index: 0;
  animation: nebulaDrift 20s ease-in-out infinite alternate;
}
.nebula-1 { width:500px;height:300px;top:-80px;left:-100px;background:radial-gradient(ellipse,rgba(20,40,100,.35) 0%,transparent 70%); }
.nebula-2 { width:400px;height:250px;bottom:100px;right:-80px;background:radial-gradient(ellipse,rgba(80,30,60,.2) 0%,transparent 70%);animation-delay:-10s; }

@keyframes nebulaDrift {
  from { transform: translate(0,0) scale(1); opacity:.6; }
  to   { transform: translate(30px,20px) scale(1.1); opacity:1; }
}

/* ── 状态覆盖层 ─────────────────────── */
.state-overlay {
  position:fixed;inset:0;z-index:100;
  display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,15,.85);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.state-overlay[hidden] { display:none; }
.state-overlay__inner { text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px; }
.state-overlay__heading { font-family:var(--font-display);font-size:1.3rem;color:var(--cream);letter-spacing:.06em; }
.state-overlay__text { font-size:.88rem;color:var(--cream-faint);letter-spacing:.08em;max-width:280px;line-height:1.8; }
.spinner { width:32px;height:32px;border:1px solid rgba(201,168,76,.2);border-top-color:var(--gold);border-radius:50%;animation:spin 1.2s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* ── 错误提示条 ─────────────────────── */
.error-banner {
  position:fixed;top:20px;left:50%;transform:translateX(-50%);z-index:90;
  background:rgba(212,119,106,.12);border:1px solid rgba(212,119,106,.3);color:#d4776a;
  padding:10px 22px;border-radius:10px;font-size:.84rem;
  max-width:min(360px,90vw);text-align:center;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);letter-spacing:.04em;
}
.error-banner[hidden] { display:none; }

/* ── 页面主容器 ─────────────────────── */
.page {
  position:relative;z-index:1;min-height:100dvh;
  display:flex;flex-direction:column;align-items:center;
  padding:80px 24px 120px;
}

/* ── 分割线 ─────────────────────────── */
.divider { width:1px;height:48px;background:linear-gradient(to bottom,transparent,rgba(201,168,76,.4),transparent);margin:0 auto; }
.divider-h { width:120px;height:1px;background:linear-gradient(to right,transparent,rgba(201,168,76,.35),transparent);margin:0 auto; }

/* ── Header ─────────────────────────── */
.header { text-align:center;margin-bottom:48px;animation:fadeUp 1.4s cubic-bezier(.16,1,.3,1) both; }
.header-eyebrow { font-family:var(--font-display);font-size:11px;letter-spacing:.35em;color:var(--gold);text-transform:uppercase;opacity:.75;margin-bottom:28px; }
.header-greeting { font-family:var(--font-display);font-size:clamp(22px,5.5vw,34px);font-weight:300;font-style:italic;color:var(--cream);line-height:1.55;letter-spacing:.02em;max-width:520px; }
.header-greeting em { font-style:normal;color:var(--gold-light); }
.client-status { font-size:.75rem;color:var(--cream-faint);letter-spacing:.1em;margin-top:8px; }
.header-desc { margin-top:28px;opacity:.75;font-size:14px;line-height:2.2;letter-spacing:.05em;font-family:var(--font-display);font-style:italic;text-align:center;color:var(--cream-dim); }
.header-desc-sub { opacity:.6;font-size:12px;font-style:normal;letter-spacing:.12em; }

/* ── 引导文字 ───────────────────────── */
.core-text { text-align:center;max-width:480px;margin:48px 0;animation:fadeUp 1.6s cubic-bezier(.16,1,.3,1) .2s both; }
.core-text p { font-family:var(--font-serif);font-size:clamp(12px,3.5vw,14px);font-weight:300;line-height:2.1;color:var(--cream-dim);letter-spacing:.1em; }

/* ── 音频按钮列表 ───────────────────── */
.buttons-wrap { display:flex;flex-direction:column;gap:20px;width:100%;max-width:420px;margin:0 0 48px;animation:fadeUp 1.8s cubic-bezier(.16,1,.3,1) .4s both; }

/* ── track-item ─────────────────────── */
.track-item {
  position:relative;display:flex;align-items:center;gap:18px;padding:22px 26px;
  border-radius:var(--radius-btn);border:1px solid rgba(201,168,76,.18);
  background:rgba(255,255,255,.03);
  backdrop-filter:blur(20px) saturate(1.2);-webkit-backdrop-filter:blur(20px) saturate(1.2);
  transition:all var(--transition);overflow:hidden;
  animation:breathe 4s ease-in-out infinite;cursor:pointer;
}
.track-item:nth-child(2) { animation-delay:-1.3s; }
.track-item:nth-child(3) { animation-delay:-2.6s; }

.track-item::before {
  content:'';position:absolute;inset:0;border-radius:var(--radius-btn);
  background:linear-gradient(135deg,rgba(201,168,76,.08) 0%,transparent 60%);
  opacity:0;transition:opacity var(--transition);
}
.track-item:hover::before,.track-item--active::before { opacity:1; }
.track-item:hover { border-color:rgba(201,168,76,.45);transform:translateY(-2px); }
.track-item--active { border-color:rgba(201,168,76,.6);box-shadow:0 0 28px rgba(201,168,76,.12),inset 0 0 20px rgba(201,168,76,.04); }

@keyframes breathe {
  0%,100% { box-shadow:0 4px 30px rgba(0,0,0,.3),0 0 0 0 rgba(201,168,76,0); }
  50%      { box-shadow:0 4px 30px rgba(0,0,0,.3),0 0 18px 4px rgba(201,168,76,.06); }
}

.track-btn {
  flex-shrink:0;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(201,168,76,.4);display:flex;align-items:center;justify-content:center;
  transition:all .3s;background:rgba(201,168,76,.06);position:relative;cursor:pointer;color:var(--gold);
}
.track-item:hover .track-btn { border-color:var(--gold);background:rgba(201,168,76,.12); }
.track-item--active .track-btn { background:rgba(201,168,76,.18);border-color:var(--gold-light); }
.track-btn::after { content:'';position:absolute;inset:-4px;border-radius:50%;border:1px solid rgba(201,168,76,.3);opacity:0;transform:scale(.8); }
.track-item--active .track-btn::after { animation:ripplePulse 2s ease-in-out infinite; }
@keyframes ripplePulse { 0%{opacity:.6;transform:scale(.9)} 100%{opacity:0;transform:scale(1.6)} }

.track-btn .icon-pause { display:none; }
.track-item--active .track-btn .icon-play  { display:none; }
.track-item--active .track-btn .icon-pause { display:block; }

.track-info { flex:1;min-width:0; }
.track-title { font-family:var(--font-display);font-size:clamp(15px,4vw,18px);font-weight:400;color:var(--cream);letter-spacing:.04em;margin-bottom:5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis; }
.track-desc { font-family:var(--font-serif);font-size:11px;color:var(--cream-faint);letter-spacing:.12em;font-weight:300; }

.track-waves { display:none;gap:3px;align-items:center;height:20px;flex-shrink:0; }
.track-item--active .track-waves { display:flex; }
.track-waves span { display:block;width:3px;border-radius:2px;background:var(--gold);animation:wave 1s ease-in-out infinite; }
.track-waves span:nth-child(1){height:8px;animation-delay:0s}
.track-waves span:nth-child(2){height:14px;animation-delay:.15s}
.track-waves span:nth-child(3){height:10px;animation-delay:.3s}
.track-waves span:nth-child(4){height:18px;animation-delay:.1s}
.track-waves span:nth-child(5){height:7px;animation-delay:.25s}
@keyframes wave { 0%,100%{transform:scaleY(.5);opacity:.6} 50%{transform:scaleY(1.2);opacity:1} }

.track-new-dot { flex-shrink:0;width:12px;height:12px;border-radius:50%;background:#4caf82;border:1px solid #4caf82;box-shadow:0 0 8px rgba(76,175,130,.6);animation:pulseDot 1.8s ease-in-out infinite; }
@keyframes pulseDot { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.6;transform:scale(1.3)} }

.track-check { flex-shrink:0;width:12px;height:12px;border-radius:50%;background:var(--gold);border:1px solid var(--gold);box-shadow:0 0 8px rgba(201,168,76,.4);display:flex;align-items:center;justify-content:center;font-size:8px;color:var(--bg-deep);font-weight:bold;line-height:1; }
.track-check::after { content:'✓'; }
.track-check[hidden] { display:none; }

/* ── Episodes 区域 ──────────────────── */
.episode-section { width:100%;max-width:420px;margin-top:8px;animation:fadeUp 2s cubic-bezier(.16,1,.3,1) .6s both; }

.episode-item { display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:14px 20px;border-top:1px solid rgba(201,168,76,.08);cursor:pointer;transition:background .2s; }
.episode-item:last-child { border-bottom:none; }
.episode-item--active { background:rgba(201,168,76,.04); }

.episode-btn { width:44px;height:44px;border-radius:50%;border:1px solid rgba(201,168,76,.3);display:flex;align-items:center;justify-content:center;flex-shrink:0;background:transparent;color:var(--gold);cursor:pointer;transition:all .3s; }
.episode-item--active .episode-btn { border-color:var(--gold);background:rgba(201,168,76,.1); }
.episode-btn .icon-pause { display:none; }
.episode-btn[data-state="PLAYING"] .icon-play  { display:none; }
.episode-btn[data-state="PLAYING"] .icon-pause { display:block; }
.episode-btn[data-state="PAUSED"]  .icon-play  { display:block; }
.episode-btn[data-state="PAUSED"]  .icon-pause { display:none; }

.episode-info { flex:1;min-width:0; }
.episode-title { font-size:14px;color:var(--cream);margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis; }
.episode-title--done { color:rgba(240,234,216,.45); }
.episode-meta { font-size:11px;color:rgba(240,234,216,.4);display:flex;gap:8px;align-items:center; }
.episode-resume { font-size:10px;color:var(--gold);background:rgba(201,168,76,.1);border-radius:4px;padding:2px 6px; }

/* ── episode 状态指示器（三态合一）─── */
.episode-status { flex-shrink:0;width:18px;height:18px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:bold;line-height:1; }
.episode-status--idle { border:1px solid rgba(240,234,216,.25);background:transparent; }
.episode-status--new  { background:#4caf82;border:1px solid #4caf82;box-shadow:0 0 6px rgba(76,175,130,.55);animation:pulseDot 1.8s ease-in-out infinite; }
.episode-status--done { background:var(--gold);border:1px solid var(--gold);box-shadow:0 0 8px rgba(201,168,76,.45);color:#04060f; }

/* 旧样式保留（track 仍使用）*/
.episode-new-dot { flex-shrink:0;width:8px;height:8px;border-radius:50%;background:#4caf82;border:1px solid #4caf82;box-shadow:0 0 6px rgba(76,175,130,.5);animation:pulseDot 1.8s ease-in-out infinite; }
.episode-check { flex-shrink:0;width:16px;height:16px;border-radius:50%;border:1px solid rgba(201,168,76,.3);display:flex;align-items:center;justify-content:center; }
.episode-check--done { background:var(--gold);border-color:var(--gold);box-shadow:0 0 8px rgba(201,168,76,.4);color:var(--bg-deep); }

/* ── Episode 进度控制区 ─────────────── */
.episode-progress-wrap { width:100%;flex-basis:100%;padding-left:58px;padding-right:4px;padding-bottom:6px; }
.episode-progress-wrap[hidden] { display:none; }
.episode-time-row { display:flex;align-items:center;gap:8px; }
.episode-current-time,.episode-duration { font-size:10px;color:rgba(201,168,76,.7);letter-spacing:.04em;flex-shrink:0;font-variant-numeric:tabular-nums;min-width:28px; }
.episode-duration { text-align:right; }
.episode-progress-track { flex:1;height:20px;position:relative;cursor:pointer;display:flex;align-items:center; }
.episode-progress-track::before { content:'';position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:2px;background:rgba(201,168,76,.2);border-radius:1px; }
.episode-progress-bar { position:absolute;left:0;top:50%;transform:translateY(-50%);height:2px;width:0%;background:linear-gradient(to right,var(--gold),var(--gold-light));border-radius:1px;transition:width .5s linear;pointer-events:none; }
.episode-progress-thumb { position:absolute;top:50%;left:0%;transform:translate(-50%,-50%);width:10px;height:10px;border-radius:50%;background:var(--gold-light);box-shadow:0 0 6px rgba(201,168,76,.6);pointer-events:none;transition:left .5s linear; }

/* ── 底部播放条 ─────────────────────── */
.player-bar { position:fixed;bottom:0;left:0;right:0;z-index:50;padding:14px 20px 22px;background:rgba(4,6,15,.92);border-top:1px solid rgba(201,168,76,.15);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);display:flex;align-items:center;gap:16px; }
.player-bar[hidden] { display:none; }
.player-bar__info { flex:1;min-width:0; }
.player-bar__title { font-size:.84rem;color:var(--cream-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;letter-spacing:.04em; }
.player-bar__progress-wrap { flex:2;display:flex;flex-direction:column;gap:5px; }
.player-bar__progress-track { height:1px;background:rgba(201,168,76,.15);border-radius:1px;overflow:hidden; }
.player-bar__progress-fill { height:100%;background:linear-gradient(to right,var(--gold),var(--gold-light));border-radius:1px;width:0%;transition:width .5s linear; }
.player-bar__times { display:flex;justify-content:space-between;font-size:10px;color:var(--cream-faint);letter-spacing:.04em; }

.btn-play-pause { flex-shrink:0;width:44px;height:44px;border-radius:50%;border:1px solid rgba(201,168,76,.4);background:rgba(201,168,76,.06);color:var(--gold);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s; }
.btn-play-pause:hover { background:rgba(201,168,76,.12);border-color:var(--gold); }
.btn-play-pause .icon-pause { display:none; }
.btn-play-pause[data-state="PLAYING"] .icon-play  { display:none; }
.btn-play-pause[data-state="PLAYING"] .icon-pause { display:block; }

/* ── Episodes 底部弹出层 ────────────── */
.ep-overlay { position:fixed;inset:0;z-index:200;background:rgba(4,6,15,.65);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .35s ease; }
.ep-overlay[hidden] { display:none; }
.ep-overlay.is-open { opacity:1;pointer-events:auto; }

.ep-sheet { position:fixed;bottom:0;left:0;right:0;z-index:201;background:#0d1020;border-radius:20px 20px 0 0;border-top:1px solid rgba(201,168,76,.2);padding:0 0 48px;max-height:80dvh;overflow-y:auto;transform:translateY(100%);transition:transform .4s cubic-bezier(.16,1,.3,1); }
.ep-sheet[hidden] { display:none; }
.ep-sheet.is-open { transform:translateY(0); }

.ep-handle { width:36px;height:4px;background:rgba(201,168,76,.3);border-radius:2px;margin:14px auto 0; }
.ep-sheet-title { font-family:var(--font-display);font-size:13px;letter-spacing:.18em;color:var(--gold);text-align:center;padding:20px 60px 16px; }
.ep-close { position:absolute;top:14px;right:18px;width:30px;height:30px;border:none;background:transparent;color:var(--cream-faint);font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:color .2s,background .2s; }
.ep-close:hover { color:var(--cream);background:rgba(255,255,255,.06); }
.ep-sheet-list { padding:0 0 8px; }
.ep-sheet-list .episode-item { border-top:1px solid rgba(201,168,76,.08); }
.ep-sheet-list .episode-item:last-child { border-bottom:none; }

/* ── 陪跑权益介绍弹出层 ────────────────────────────────────────
   视觉风格与 ep-sheet 一致，z-index 与 ep-sheet 同级
   所有文案为静态 HTML，不渲染外部数据
   ──────────────────────────────────────────────────────────── */
.companion-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(4, 6, 15, 0.72);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
}
.companion-overlay[hidden] { display: none; }
.companion-overlay.is-open { opacity: 1; pointer-events: auto; }

.companion-sheet {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 201;
  background: linear-gradient(160deg, #0f1428 0%, #0d1020 60%);
  border-radius: 24px 24px 0 0;
  border-top: 1px solid rgba(201, 168, 76, 0.3);
  padding: 0 0 56px;
  max-height: 85dvh; overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(.16, 1, .3, 1);
}
.companion-sheet[hidden] { display: none; }
.companion-sheet.is-open { transform: translateY(0); }

/* 弹出层内容区 */
.companion-sheet__body {
  padding: 8px 32px 0;
  display: flex; flex-direction: column; align-items: center;
  text-align: center;
}

/* 装饰图标 */
.companion-sheet__icon {
  font-size: 28px;
  color: var(--gold);
  margin: 28px 0 16px;
  opacity: 0.85;
  letter-spacing: 0;
}

/* 标题 */
.companion-sheet__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 5vw, 22px);
  font-weight: 400;
  color: var(--cream);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

/* 副标题 */
.companion-sheet__subtitle {
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--cream-faint);
  letter-spacing: 0.12em;
  margin-bottom: 32px;
}

/* 权益列表 */
.companion-sheet__list {
  list-style: none;
  width: 100%;
  max-width: 360px;
  display: flex; flex-direction: column; gap: 20px;
  margin-bottom: 36px;
  text-align: left;
}

.companion-sheet__item {
  display: flex; align-items: flex-start; gap: 14px;
}

.companion-sheet__item-icon {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--gold);
  margin-top: 2px;
  opacity: 0.8;
}

.companion-sheet__item-text {
  display: flex; flex-direction: column; gap: 4px;
}

.companion-sheet__item-text strong {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: var(--cream);
  letter-spacing: 0.04em;
}

.companion-sheet__item-text span {
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--cream-faint);
  letter-spacing: 0.06em;
  line-height: 1.7;
}

/* 行动提示（MVP：纯文字）*/
.companion-sheet__cta {
  width: 100%;
  max-width: 360px;
  padding: 20px 24px;
  border: 1px solid rgba(201, 168, 76, 0.25);
  border-radius: 14px;
  background: rgba(201, 168, 76, 0.04);
  margin-bottom: 8px;
}

.companion-sheet__cta-hint {
  font-family: var(--font-serif);
  font-size: 12px;
  color: var(--cream-faint);
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}

.companion-sheet__cta-action {
  font-family: var(--font-display);
  font-size: 15px;
  color: var(--gold-light);
  letter-spacing: 0.1em;
}

/* ── 入场动画 ───────────────────────── */
@keyframes fadeUp {
  from { opacity:0;transform:translateY(28px); }
  to   { opacity:1;transform:translateY(0); }
}

/* ── 响应式 ─────────────────────────── */
@media (max-width: 480px) {
  .page { padding:64px 20px 100px; }
  .track-item { padding:20px;gap:14px; }
  .track-btn { width:40px;height:40px; }
  .player-bar { padding:12px 16px 20px;gap:12px; }
  .episode-progress-wrap { padding-left:54px; }
  .companion-sheet__body { padding:8px 20px 0; }
}

/* ── 无障碍聚焦 ─────────────────────── */
:focus-visible { outline:2px solid var(--gold);outline-offset:3px; }

/* ── hidden 属性支持 ─────────────────── */
.track-new-dot[hidden],.episode-new-dot[hidden] { display:none; }

/* ── 音频不可用状态 ─────────────────── */
.track-item--disabled { opacity:.35;filter:saturate(.3);cursor:not-allowed; }
.track-item--disabled .track-btn { border-color:rgba(201,168,76,.15);color:rgba(201,168,76,.3); }

/* === END OF FILE: public/css/player.css === */