update: Playlist mode toggle und Mini player bar für Audiobücher

fix: Music starts → ABS pauses: ABS starts → Music pauses

styles.css

@@ -951,3 +951,19 @@ nav{flex:1;overflow-y:auto;padding:4px 10px}
   .abs-cover-area{padding:8px 24px}
   .abs-cover-wrap{width:min(240px,calc(100vw - 48px))}
 }
+
+/* ── ABS MINI BAR ── */
+.abs-mini-bar{position:fixed;bottom:var(--player-h);left:0;right:0;background:rgba(10,10,28,.96);backdrop-filter:blur(16px);border-top:1px solid rgba(130,80,255,.25);padding:9px 16px;display:flex;align-items:center;gap:12px;z-index:99;transform:translateY(100%);transition:transform .3s;cursor:pointer}
+.abs-mini-bar.visible{transform:translateY(0)}
+.abs-mini-cover{width:40px;height:40px;border-radius:7px;background:var(--surface2);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;overflow:hidden}
+.abs-mini-info{flex:1;min-width:0}
+.abs-mini-title{font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
+.abs-mini-chapter{font-size:11px;color:var(--text2);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
+.abs-mini-play{background:none;border:none;color:var(--text);cursor:pointer;padding:6px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
+@media(max-width:768px){.abs-mini-bar{bottom:calc(var(--player-h) + 80px + env(safe-area-inset-bottom))}}
+
+/* ── ABS PLAYLIST MODE ── */
+.abs-hbtn.active{color:var(--accent)}
+.abs-player-overlay.playlist-mode .abs-cover-area{flex:0 0 auto;padding:4px 40px}
+.abs-player-overlay.playlist-mode .abs-cover-wrap{width:min(140px,calc(100vw - 80px))}
+.abs-player-overlay.playlist-mode .abs-chapter-list.open{flex:1;max-height:none;overflow-y:auto}