/* ============================================================
   BEDTIME STORY RADIO · 极客暗黑 / 终端风
   ============================================================ */
:root{
  --c-primary:#b74ce6;
  --c-accent:#6cd53f;
  --c-cta:#f353ee;
  --c-bg:#130e15;
  --c-surface:#211a23;
  --c-text:#f0eef2;
  --c-dim:#a898ae;
  --c-border:#3b3040;
  --r:4px;
  --f-mono:'JetBrains Mono','Fira Code',ui-monospace,'SFMono-Regular','Courier New',monospace;
  --f-sans:system-ui,-apple-system,'PingFang SC','Microsoft YaHei','Segoe UI',sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--f-sans);
  font-size:15px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* 细网格背景 */
body::before{
  content:'';
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(183,76,230,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(183,76,230,0.05) 1px, transparent 1px);
  background-size:32px 32px;
}
/* 细微扫描线 */
body::after{
  content:'';
  position:fixed;inset:0;z-index:49;pointer-events:none;opacity:.45;
  background:repeating-linear-gradient(0deg, rgba(0,0,0,0.16) 0px, rgba(0,0,0,0.16) 1px, transparent 1px, transparent 4px);
}

::selection{background:var(--c-primary);color:#0b0810}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--c-bg)}
::-webkit-scrollbar-thumb{background:var(--c-border);border-radius:var(--r)}
::-webkit-scrollbar-thumb:hover{background:var(--c-primary)}

button{font-family:inherit}
button:focus-visible{outline:1px solid var(--c-cta);outline-offset:2px}

.hidden{display:none !important}
.accent{color:var(--c-accent)}

/* ---------- 顶部终端栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 18px;
  background:rgba(19,14,21,0.92);
  border-bottom:1px solid var(--c-border);
  font-family:var(--f-mono);
  font-size:13px;
  backdrop-filter:blur(6px);
}
.brand{display:flex;align-items:center;gap:6px;letter-spacing:.5px;white-space:nowrap;overflow:hidden}
.b-user{color:var(--c-accent)}
.b-path{color:var(--c-primary)}
.b-cmd{color:var(--c-dim)}
.cursor{color:var(--c-accent);animation:blink 1.1s steps(2) infinite;margin-left:2px}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.topbar-right{display:flex;align-items:center;gap:14px;flex-shrink:0}
.clock{color:var(--c-accent);letter-spacing:2px}

.ghost-btn{
  background:transparent;border:1px solid var(--c-border);color:var(--c-dim);
  font-family:var(--f-mono);font-size:12px;padding:5px 10px;border-radius:var(--r);
  cursor:pointer;transition:color .2s,border-color .2s,background .2s;
}
.ghost-btn:hover{border-color:var(--c-accent);color:var(--c-accent)}
.ghost-btn.active{border-color:var(--c-accent);color:var(--c-accent);background:rgba(108,213,63,0.08)}

/* ---------- 标签页 ---------- */
.tabs{
  display:flex;gap:4px;padding:12px 18px 0;
  font-family:var(--f-mono);
  max-width:1120px;margin:0 auto;
}
.tab{
  background:transparent;border:1px solid var(--c-border);border-bottom:none;
  color:var(--c-dim);font-family:var(--f-mono);font-size:13px;
  padding:9px 16px;border-radius:var(--r) var(--r) 0 0;cursor:pointer;
  display:flex;align-items:center;gap:8px;transition:color .2s,border-color .2s,background .2s;
}
.tab:hover{color:var(--c-text);border-color:var(--c-primary)}
.tab.active{color:var(--c-accent);border-color:var(--c-accent);background:var(--c-surface)}
.tab-mark{display:inline-block;transition:transform .2s;color:var(--c-primary)}
.tab.active .tab-mark{transform:rotate(90deg);color:var(--c-accent)}
.count{background:var(--c-surface);border:1px solid var(--c-border);padding:1px 7px;border-radius:var(--r);font-size:11px;color:var(--c-dim)}
.tab.active .count{color:var(--c-accent);border-color:var(--c-accent)}

/* ---------- 主区 ---------- */
main{max-width:1120px;margin:0 auto;padding:14px 18px 230px;transition:filter .6s}

.panel{
  background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r);padding:14px 16px;margin-bottom:18px;
  font-family:var(--f-mono);
}
.filter-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.filter-row:last-child{margin-bottom:0}
.filter-label{color:var(--c-dim);font-size:12px;letter-spacing:1px;min-width:92px}
.stat-line{color:var(--c-dim);font-size:12px}

.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  background:transparent;border:1px solid var(--c-border);color:var(--c-dim);
  font-family:var(--f-mono);font-size:12px;padding:5px 12px;border-radius:var(--r);
  cursor:pointer;transition:color .18s,border-color .18s,background .18s,transform .18s;letter-spacing:.5px;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-text);transform:translateY(-1px)}
.chip.active[data-age]{background:var(--c-accent);border-color:var(--c-accent);color:#0b1406;font-weight:700}
.chip.active[data-theme]{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:700}
.chip.active[data-sleep]{background:var(--c-cta);border-color:var(--c-cta);color:#200421;font-weight:700}

/* ---------- 故事卡片 ---------- */
.story-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.story-card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r);
  padding:16px;display:flex;flex-direction:column;gap:10px;
  transition:transform .2s,border-color .2s,box-shadow .2s;
  animation:rise .35s both;
}
.story-card:hover{transform:translateY(-3px);border-color:var(--c-primary);box-shadow:0 6px 24px rgba(183,76,230,0.18)}
.story-card.playing{border-color:var(--c-accent);box-shadow:0 0 0 1px var(--c-accent),0 6px 24px rgba(108,213,63,0.14)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.card-top{display:flex;justify-content:space-between;align-items:center}
.card-idx{font-family:var(--f-mono);color:var(--c-primary);font-size:12px;letter-spacing:1px}
.fav{
  background:transparent;border:none;color:var(--c-dim);font-size:16px;cursor:pointer;
  transition:color .2s,transform .15s;line-height:1;
}
.fav:hover{color:var(--c-cta);transform:scale(1.18)}
.fav.on{color:var(--c-cta)}
.card-title{font-family:var(--f-mono);font-size:17px;font-weight:700;letter-spacing:.5px}
.card-desc{color:var(--c-dim);font-size:13px;line-height:1.7;min-height:42px}
.card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tag{font-family:var(--f-mono);font-size:11px;padding:3px 8px;border-radius:var(--r);border:1px solid}
.tag-age{color:var(--c-accent);border-color:rgba(108,213,63,0.5)}
.tag-theme{color:var(--c-primary);border-color:rgba(183,76,230,0.5)}
.card-dur{margin-left:auto;font-family:var(--f-mono);font-size:12px;color:var(--c-dim)}
.card-play{
  margin-top:auto;background:var(--c-cta);color:#200421;border:none;
  font-family:var(--f-mono);font-weight:700;font-size:13px;letter-spacing:1px;
  padding:9px 0;border-radius:var(--r);cursor:pointer;width:100%;
  transition:filter .2s,transform .15s,background .2s,color .2s,border-color .2s;
}
.card-play:hover{filter:brightness(1.12);transform:translateY(-1px)}
.card-play.playing{background:transparent;border:1px solid var(--c-accent);color:var(--c-accent)}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:60px 20px;font-family:var(--f-mono)}
.empty-glyph{font-size:40px;color:var(--c-border);margin-bottom:12px}
.empty-text{color:var(--c-text);font-size:16px;letter-spacing:2px;margin-bottom:6px}
.empty-sub{color:var(--c-dim);font-size:13px}

/* ---------- 播放器 ---------- */
.player{
  position:fixed;left:0;right:0;bottom:0;z-index:45;
  background:rgba(24,18,26,0.96);
  border-top:1px solid var(--c-border);
  backdrop-filter:blur(8px);
  box-shadow:0 -8px 30px rgba(0,0,0,0.35);
}
.player-top{display:flex;align-items:center;gap:14px;padding:12px 18px;max-width:1120px;margin:0 auto}
.p-fav{
  background:transparent;border:1px solid var(--c-border);color:var(--c-dim);
  width:38px;height:38px;border-radius:var(--r);font-size:17px;cursor:pointer;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  transition:color .2s,border-color .2s;
}
.p-fav:hover{border-color:var(--c-cta);color:var(--c-cta)}
.p-fav.on{color:var(--c-cta);border-color:var(--c-cta);background:rgba(243,83,238,0.08)}
.p-info{flex:1;min-width:0}
.p-title{font-family:var(--f-mono);font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.p-meta{font-size:12px;color:var(--c-dim);font-family:var(--f-mono);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.p-controls{display:flex;gap:8px;align-items:center}
.p-btn{
  background:transparent;border:1px solid var(--c-border);color:var(--c-dim);
  width:36px;height:36px;border-radius:var(--r);font-size:14px;cursor:pointer;
  font-family:var(--f-mono);display:flex;align-items:center;justify-content:center;
  transition:color .2s,border-color .2s,background .2s;
}
.p-btn:hover{border-color:var(--c-primary);color:var(--c-text)}
.p-btn.on{color:var(--c-accent);border-color:var(--c-accent);background:rgba(108,213,63,0.08)}
.p-play{
  width:46px;height:46px;border-radius:var(--r);border:none;cursor:pointer;
  background:var(--c-cta);color:#200421;font-size:18px;font-family:var(--f-mono);
  transition:filter .2s,transform .15s;
}
.p-play:hover{filter:brightness(1.12);transform:scale(1.04)}
.p-play.playing{animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(243,83,238,0.45)}50%{box-shadow:0 0 0 10px rgba(243,83,238,0)}}
.p-utils{display:flex;gap:8px}

.player-bottom{display:flex;align-items:center;gap:12px;max-width:1120px;margin:0 auto;padding:0 18px 12px}
.time{font-family:var(--f-mono);font-size:12px;color:var(--c-dim);min-width:42px;text-align:center}
.track{flex:1;height:6px;background:var(--c-border);border-radius:var(--r);cursor:pointer;position:relative;overflow:hidden}
.track-fill{position:absolute;left:0;top:0;bottom:0;background:var(--c-accent);width:0%;transition:width .2s linear}
.track:hover .track-fill{background:var(--c-primary)}

.sleepline{
  height:0;overflow:hidden;transition:height .25s;
  background:rgba(108,213,63,0.08);font-family:var(--f-mono);font-size:12px;color:var(--c-accent);
  display:flex;align-items:center;justify-content:center;letter-spacing:1px;
}
.sleepline.show{height:34px}

/* ---------- 弹层 ---------- */
.popover{
  position:fixed;z-index:60;background:var(--c-surface);border:1px solid var(--c-primary);
  border-radius:var(--r);padding:14px;box-shadow:0 10px 30px rgba(0,0,0,0.55);
  min-width:220px;animation:rise .2s both;
}
.pop-title{font-family:var(--f-mono);font-size:12px;color:var(--c-primary);letter-spacing:1px;margin-bottom:10px}
.pop-ops{display:flex;flex-wrap:wrap;gap:8px}
.pop-hint{font-family:var(--f-mono);font-size:11px;color:var(--c-dim);margin-top:10px}
#volRange{width:100%;accent-color:var(--c-accent);cursor:pointer}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:128px;transform:translateX(-50%) translateY(20px);
  background:var(--c-surface);border:1px solid var(--c-accent);color:var(--c-accent);
  font-family:var(--f-mono);font-size:13px;padding:10px 18px;border-radius:var(--r);
  opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:70;letter-spacing:1px;
  white-space:nowrap;max-width:90vw;overflow:hidden;text-overflow:ellipsis;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 夜间柔和模式 ---------- */
body.dim header,body.dim nav,body.dim main{filter:brightness(.5) saturate(.9);transition:filter .6s}

/* ---------- 响应式 ---------- */
@media(max-width:760px){
  .player-top{flex-wrap:wrap;gap:10px;padding:12px 12px}
  .p-info{order:3;flex-basis:100%}
  .p-utils{gap:6px}
  .p-btn{width:32px;height:32px}
  .p-play{width:42px;height:42px}
  .p-fav{width:34px;height:34px}
  .story-grid{grid-template-columns:1fr}
  .filter-label{min-width:0}
  main{padding:10px 12px 260px}
  .brand .b-cmd{display:none}
  .tabs{padding:10px 12px 0}
  .topbar{padding:10px 12px}
}