:root{--bg:#121212;--bg2:#181818;--card:#1f1f1f;--hover:#2a2a2a;--line:#2e2e2e;--text:#f2f2f2;--muted:#a7a7a7;--accent:#1db954;--danger:#e5484d;--r:12px;--mini:72px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font:15px/1.4 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
body{padding-bottom:calc(var(--mini) + 16px + env(safe-area-inset-bottom))}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
a{color:inherit;text-decoration:none}
svg{width:22px;height:22px;display:block;fill:currentColor}
[hidden]{display:none!important}

.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top));background:rgba(18,18,18,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px}
.brand img{width:30px;height:30px;border-radius:50%}
.top-actions{display:flex;gap:8px;align-items:center}
.user-chip{display:flex;align-items:center;gap:8px;padding:4px 12px 4px 4px;border-radius:99px;background:var(--card)}
.avatar{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#000;flex:none}
main{max-width:1100px;margin:auto;padding:16px}
h1{font-size:26px;margin:8px 0 4px}
h3{margin:22px 0 10px;font-size:17px}
.muted{color:var(--muted)}

.icon-btn{width:40px;height:40px;display:grid;place-items:center;border-radius:50%;color:var(--text);position:relative}
.icon-btn:hover{background:var(--hover)}
.icon-btn.on{color:var(--accent)}
.icon-btn.on::after{content:"";position:absolute;bottom:3px;width:4px;height:4px;border-radius:50%;background:var(--accent)}
.icon-btn.play{background:var(--text);color:#000}
.icon-btn.play:hover{background:#fff;transform:scale(1.04)}
.icon-btn.big svg{width:30px;height:30px}
.icon-btn.xl{width:66px;height:66px}.icon-btn.xl svg{width:32px;height:32px}
.icon-btn .badge{position:absolute;top:2px;right:2px;font-size:10px;background:var(--accent);color:#000;border-radius:9px;padding:0 4px}
#dlBtn{width:auto;padding:0 12px;border-radius:99px;background:var(--card);display:flex;gap:8px;height:34px}
.spin{width:14px;height:14px;border:2px solid var(--muted);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:99px;background:var(--card);font-weight:600;white-space:nowrap}
.btn:hover{background:var(--hover)}
.btn.primary{background:var(--accent);color:#000}
.btn.primary:hover{filter:brightness(1.1)}
.btn.danger{background:var(--danger);color:#fff}
.btn svg{width:18px;height:18px}
.pill{display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:99px;background:var(--card);font-size:14px}
.pill.on{color:#000;background:var(--accent)}
.pill svg{width:18px;height:18px}

/* Home: users */
.users{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;margin-top:14px}
.ucard{background:var(--bg2);border-radius:var(--r);padding:18px 14px 14px;text-align:center;position:relative;cursor:pointer;transition:background .15s}
.ucard:hover{background:var(--hover)}
.ucard .avatar{width:84px;height:84px;margin:0 auto 12px;font-size:34px;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.ucard b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ucard small{color:var(--muted)}
.ucard .stats{display:flex;justify-content:center;gap:12px;margin-top:8px;font-size:13px;color:var(--muted)}
.ucard .stats span{display:flex;gap:4px;align-items:center}.ucard .stats svg{width:14px;height:14px}
.ucard .more{position:absolute;top:6px;right:6px;width:32px;height:32px}
.ucard.add{border:2px dashed var(--line);background:none;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:190px;color:var(--muted)}
.ucard.add svg{width:40px;height:40px}
.summary{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.summary .pill{background:var(--bg2)}

/* Library */
.lib-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.lib-head .avatar{width:56px;height:56px;font-size:24px}
.ytbar{display:flex;gap:8px;margin:16px 0 8px;background:var(--bg2);padding:6px;border-radius:99px;border:1px solid var(--line)}
.ytbar:focus-within{border-color:var(--accent)}
.ytbar input{flex:1;min-width:0;background:none;border:0;outline:0;padding:0 12px}
.ytbar .yt-ico{color:#ff3b30;display:grid;place-items:center;padding-left:8px}
.row-actions{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.tabs{display:flex;gap:6px;margin:16px 0 10px;overflow-x:auto}
.tabs button{padding:7px 16px;border-radius:99px;background:var(--card);white-space:nowrap}
.tabs button.on{background:var(--text);color:#000;font-weight:600}
.toolbar{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.search{flex:1;display:flex;align-items:center;gap:6px;background:var(--card);border-radius:8px;padding:0 10px}
.search input{flex:1;background:none;border:0;outline:0;padding:9px 0;min-width:0}
.search svg{width:18px;height:18px;color:var(--muted)}
select{background:var(--card);border:0;border-radius:8px;padding:9px 8px}

.songs{list-style:none;margin:0;padding:0}
.song{display:flex;align-items:center;gap:12px;padding:7px 8px;border-radius:8px;cursor:pointer}
.song:hover{background:var(--hover)}
.song.playing .meta b{color:var(--accent)}
.song .meta{flex:1;min-width:0}
.meta b,.meta small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.meta small{color:var(--muted);font-size:13px}
.song .dur{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}
.song .icon-btn{width:36px;height:36px;color:var(--muted)}
.fav.on,.song .fav.on{color:var(--accent)}
.art{background:linear-gradient(135deg,#333,#1a1a1a) center/cover;border-radius:6px;display:grid;place-items:center;color:var(--muted);flex:none;overflow:hidden}
.art.sm{width:46px;height:46px}
.art.md{width:100%;aspect-ratio:1;border-radius:8px}
.art.xl{width:min(78vw,340px);aspect-ratio:1;margin:18px auto;border-radius:12px;box-shadow:0 18px 50px rgba(0,0,0,.6)}
.art.xl svg{width:30%;height:30%}
.eq{display:flex;gap:2px;align-items:flex-end;height:14px}
.eq i{width:3px;background:var(--accent);animation:eq .9s ease-in-out infinite}
.eq i:nth-child(2){animation-delay:.2s}.eq i:nth-child(3){animation-delay:.4s}
.paused .eq i{animation-play-state:paused}
@keyframes eq{0%,100%{height:3px}50%{height:14px}}
.empty{text-align:center;padding:40px 16px;color:var(--muted)}
.empty svg{width:48px;height:48px;margin:0 auto 10px}

.plgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.plcard{background:var(--bg2);padding:10px;border-radius:var(--r);cursor:pointer}
.plcard:hover{background:var(--hover)}
.plcard b{display:block;margin-top:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.plcard small{color:var(--muted)}
.plcard.add{border:2px dashed var(--line);background:none;display:grid;place-items:center;color:var(--muted);min-height:180px}

/* Mini player */
.mini{position:fixed;left:8px;right:8px;bottom:calc(8px + env(safe-area-inset-bottom));z-index:30;background:#2b2b2b;border-radius:10px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.5);max-width:1100px;margin:auto}
.mini-progress{height:3px;background:#444}.mini-progress i{display:block;height:100%;width:0;background:var(--text)}
.mini-body{display:flex;align-items:center;gap:4px;padding:7px 8px;height:calc(var(--mini) - 3px)}
.mini-info{flex:1;display:flex;align-items:center;gap:10px;min-width:0;cursor:pointer}
.mini .icon-btn.play{width:40px;height:40px}

/* Full player */
.full{position:fixed;inset:0;z-index:40;background:linear-gradient(180deg,var(--tint,#2a4a3a) 0%,transparent 70%),var(--bg);padding:calc(10px + env(safe-area-inset-top)) 22px calc(20px + env(safe-area-inset-bottom));display:flex;flex-direction:column;overflow-y:auto;animation:up .25s ease}
@keyframes up{from{transform:translateY(40px);opacity:0}}
.full>*{max-width:520px;width:100%;margin-left:auto;margin-right:auto}
.full-head{display:flex;align-items:center;justify-content:space-between;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.full-meta{display:flex;align-items:center;gap:10px}
.full-meta>div{flex:1;min-width:0}
.full-meta h2{margin:0;font-size:22px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.full-meta p{margin:2px 0 0;color:var(--muted)}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:4px;background:linear-gradient(to right,var(--text) var(--p,0%),#555 var(--p,0%));outline:0}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border:0;border-radius:50%;background:#fff}
.seek{margin-top:18px}
.times{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-top:6px;font-variant-numeric:tabular-nums}
.controls{display:flex;align-items:center;justify-content:space-between;margin:14px auto}
.full-extra{display:flex;align-items:center;gap:14px;justify-content:space-between}
.vol{display:flex;align-items:center;gap:8px;flex:1;max-width:220px;color:var(--muted)}
.vol svg{width:18px;height:18px}

/* Modal / sheet */
.modal{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.6);display:flex;align-items:flex-end;justify-content:center;animation:fade .15s}
@keyframes fade{from{opacity:0}}
.sheet{background:#242424;width:100%;max-width:480px;border-radius:16px 16px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom));max-height:85vh;overflow-y:auto;animation:up .2s}
@media(min-width:700px){.modal{align-items:center}.sheet{border-radius:16px}}
.sheet h3{margin:0 0 12px}
.sheet .sub{color:var(--muted);margin:-8px 0 12px;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sheet label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
.sheet input[type=text]{width:100%;padding:11px 12px;border-radius:8px;border:1px solid var(--line);background:#1a1a1a;outline:0}
.sheet input[type=text]:focus{border-color:var(--accent)}
.sheet .foot{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}
.menu button{display:flex;align-items:center;gap:14px;width:100%;padding:12px 6px;border-radius:8px;text-align:left}
.menu button:hover{background:var(--hover)}
.menu button.danger{color:var(--danger)}
.menu button.on{color:var(--accent)}
.colors{display:flex;gap:8px;flex-wrap:wrap}
.colors button{width:32px;height:32px;border-radius:50%;border:3px solid transparent}
.colors button.on{border-color:#fff}
.check{display:flex;align-items:center;gap:12px;padding:8px 4px;border-radius:8px}
.check input{width:18px;height:18px;accent-color:var(--accent)}
.qlist .song{padding:6px 4px}

.dlitem{display:flex;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line);font-size:14px}
.dlitem .meta{flex:1;min-width:0}
.dlitem .st{font-size:12px}
.st.err{color:var(--danger)}.st.ok{color:var(--accent)}

.toasts{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--mini) + 22px + env(safe-area-inset-bottom));z-index:70;display:flex;flex-direction:column;gap:8px;width:min(92vw,420px)}
.toast{background:#e8e8e8;color:#000;padding:10px 14px;border-radius:8px;font-size:14px;box-shadow:0 6px 20px rgba(0,0,0,.4);animation:up .2s}
.toast.err{background:var(--danger);color:#fff}
.progress{height:4px;background:#333;border-radius:4px;overflow:hidden;margin-top:6px}.progress i{display:block;height:100%;background:var(--accent);width:0}
@media(max-width:560px){.song .dur{display:none}h1{font-size:22px}.users{grid-template-columns:repeat(2,1fr)}}

/* Player YouTube (link streaming) */
.ytbox{position:fixed;right:12px;bottom:calc(var(--mini) + 22px + env(safe-area-inset-bottom));width:240px;height:135px;z-index:35;border-radius:10px;overflow:hidden;background:#000;box-shadow:0 10px 30px rgba(0,0,0,.6)}
.ytbox.infull{z-index:45;border-radius:12px}
.ytbox iframe{width:100%;height:100%;display:block;border:0}
@media(max-width:560px){.ytbox:not(.infull){width:200px;height:113px;right:8px}}