:root{color-scheme:dark;--bg:#090b12;--panel:#151827;--panel-soft:#1d2340;--line:#2a3147;--text:#f8fafc;--muted:#98a2b3;--accent:#6366f1;--ok:#22c55e;--bad:#ef4444;--warn:#f59e0b;--radius-card:18px;--radius-control:14px;--radius-pill:999px;--control-height:46px;--shadow-panel:0 20px 60px rgba(0,0,0,.32);--primary-gradient:linear-gradient(90deg,#38bdf8,#ec4899);--control-gradient:linear-gradient(180deg,#7c7bff,var(--accent))}
    *{box-sizing:border-box}
    body{margin:0;background:radial-gradient(circle at top left,#202647,#090b12 44%);color:var(--text);font-family:Bahnschrift,"Bahnschrift SemiCondensed","Segoe UI",system-ui,-apple-system,sans-serif}
    body.authBody{background:radial-gradient(circle at 50% 12%,rgba(14,165,233,.16),transparent 28%),linear-gradient(180deg,#060813 0,#090b12 62%,#050711 100%)}
    main{width:min(1180px,100%);margin:0 auto;padding:28px 16px}
    body.authBody main{width:min(1080px,100%);min-height:100vh;display:grid;grid-template-rows:auto 1fr;padding:28px 18px}
    .head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
    body.authBody .head{margin-bottom:12px}
    h1{margin:0;font-size:clamp(1.5rem,4vw,2.4rem)}
    body.authBody h1{font-size:clamp(2rem,5vw,3.4rem);letter-spacing:0;text-shadow:0 8px 28px rgba(0,0,0,.45)}
    .login,.card{border:1px solid var(--line);background:rgba(21,24,39,.86);border-radius:var(--radius-card);box-shadow:var(--shadow-panel)}
    .login{padding:18px;max-width:480px}
    .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
    .card{padding:18px}
    .top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
    .name{font-weight:900;font-size:1.15rem}
    .pill{font-weight:900;border-radius:var(--radius-pill);padding:7px 12px;background:rgba(239,68,68,.16);color:#fecaca;border:1px solid rgba(239,68,68,.24)}
    .pill.on{background:rgba(34,197,94,.16);color:#bbf7d0;border-color:rgba(34,197,94,.28)}
    .track{margin-top:14px;font-size:1.25rem;font-weight:900;line-height:1.25}
    .muted{color:var(--muted);font-weight:700}
    .meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:16px 0}
    .meta div{border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:10px;background:rgba(0,0,0,.18)}
    .stationList{margin:14px 0;display:grid;gap:8px}
    .stationRow{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:8px 10px;background:rgba(0,0,0,.16)}
    .stationRow.active{border-color:rgba(99,102,241,.65);background:rgba(99,102,241,.14)}
    .stationRow b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .stationRow small{color:var(--muted);font-weight:800}
    .logoGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:10px;margin:14px 0}
    .logoTile{min-height:122px;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:10px;background:rgba(0,0,0,.18);color:var(--text);display:grid;gap:8px;place-items:center;text-align:center}
    .logoTile.active{border-color:rgba(99,102,241,.75);background:rgba(99,102,241,.18)}
    .logoTile.favorite{border-color:rgba(250,204,21,.55)}
    .logoTile img{width:74px;height:74px;object-fit:contain;border-radius:14px;background:rgba(255,255,255,.92);padding:6px}
    .logoFallback{width:74px;height:74px;border-radius:14px;background:linear-gradient(135deg,var(--accent),#22c55e);display:grid;place-items:center;font-size:1.6rem;font-weight:900}
    .logoTile span{font-weight:900;line-height:1.15;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
    .favoriteMark{position:absolute;top:7px;right:7px;width:32px;height:32px;border-radius:11px;padding:0;background:rgba(9,11,18,.72);border:1px solid rgba(250,204,21,.42);color:#fde68a;z-index:2}
    .sleepTimer{margin-top:14px;border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:12px;background:rgba(0,0,0,.16)}
    .sleepActions{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:10px}
    .stationAdd{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:8px;margin-top:10px}
    form{margin:0}
    .buttons{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
    button,.btn,input[type=email],input[type=password],input[type=text]{border:0;border-radius:var(--radius-control);min-height:var(--control-height);padding:11px 12px;font-weight:900}
    button,.btn{cursor:pointer;background:var(--control-gradient);color:white;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(170,169,255,.36);box-shadow:0 10px 24px rgba(0,0,0,.18)}
    button.secondary,.btn.secondary{background:linear-gradient(180deg,#33405c,#263047);border-color:rgba(148,163,184,.24)}
    button.danger,.btn.danger{background:linear-gradient(180deg,#6b1f2b,#411722);border-color:rgba(248,113,113,.42);color:#fee2e2}
    button:disabled,.btn.disabled{cursor:not-allowed;opacity:.72;box-shadow:none}
    button:focus-visible,.btn:focus-visible,input:focus-visible{outline:2px solid #38bdf8;outline-offset:2px}
    .headActions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .installBtn{display:none}
    .installBtn.show{display:inline-flex}
    input[type=range]{width:100%;accent-color:var(--accent)}
    input[type=email],input[type=password],input[type=text]{width:100%;background:#0c1020;color:white;border:1px solid var(--line);margin:8px 0 12px;box-shadow:inset 0 1px 0 rgba(255,255,255,.03)}
    .passwordField{position:relative;margin:8px 0 12px}
    .passwordField input[type=password],.passwordField input[type=text]{margin:0;padding-right:58px}
    .passwordToggle{position:absolute;right:10px;top:50%;z-index:3;transform:translateY(-50%);width:38px;height:38px;min-height:0;padding:0;border-radius:0;background:transparent;border:0;box-shadow:none;color:#bfd7ff;font-size:1.08rem;line-height:1;opacity:.72;pointer-events:auto}
    .passwordToggle:hover,.passwordToggle:focus-visible{background:transparent;border:0;box-shadow:none;opacity:1}
    .passwordToggle.isVisible{background:transparent;border:0;color:#38bdf8;opacity:1}
    .flash{margin:0 0 16px;padding:10px 12px;border-radius:12px;background:rgba(99,102,241,.18);border:1px solid rgba(99,102,241,.35)}
    .commandStatus{margin:12px 0 0;min-height:42px;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius-control);padding:10px 12px;background:rgba(0,0,0,.16);color:var(--muted);font-weight:900}
    .commandStatus:empty{display:none}
    .commandStatus.sending{border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.12);color:#bae6fd}
    .commandStatus.success{border-color:rgba(34,197,94,.48);background:rgba(34,197,94,.12);color:#bbf7d0}
    .commandStatus.error{border-color:rgba(239,68,68,.5);background:rgba(239,68,68,.12);color:#fecaca}
    button.commandBusy{background:#1d4ed8!important;color:#dbeafe!important}
    button.commandSuccess{background:#0d3b2d!important;color:#bbf7d0!important}
    button.commandError{background:#4a1e28!important;color:#fecaca!important}
    .empty{padding:18px;border:1px dashed var(--line);border-radius:16px;color:var(--muted);font-weight:800}
    .pair{margin:0 0 16px;padding:18px;border:1px solid var(--line);background:rgba(21,24,39,.62);border-radius:18px}
    .pair.collapsed{display:none}
    .pairGrid{display:grid;grid-template-columns:1.3fr .8fr 1fr auto;gap:10px;align-items:end}
    .pair label{display:block;color:var(--muted);font-weight:800;font-size:.82rem}
    .authGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-items:start}
    .login h2{margin:0 0 8px;font-size:1.15rem}
    .authScene{position:relative;overflow:hidden;align-self:center;border:1px solid rgba(56,189,248,.42);border-radius:28px;min-height:720px;padding:34px;background:linear-gradient(180deg,rgba(27,33,57,.78),rgba(8,12,25,.96));box-shadow:0 28px 80px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.05);animation:authSceneReveal .8s cubic-bezier(.2,.8,.2,1) both}
    .authScene:before{content:"";position:absolute;inset:-20%;background:radial-gradient(circle at 50% 18%,rgba(56,189,248,.28),transparent 20%),radial-gradient(circle at 68% 26%,rgba(236,72,153,.22),transparent 15%),linear-gradient(180deg,rgba(29,35,64,.7),rgba(9,11,18,.18));pointer-events:none;animation:authGlowDrift 9s ease-in-out infinite alternate}
    .authScene:after{content:"";position:absolute;inset:-45% -70%;z-index:0;background:linear-gradient(115deg,transparent 36%,rgba(255,255,255,.16) 48%,transparent 60%);opacity:0;transform:translateX(-26%) rotate(4deg);animation:authLightSweep 1.7s ease-out .28s both;pointer-events:none}
    .authEqualizer{position:absolute;left:50%;top:230px;width:min(920px,92vw);height:190px;transform:translateX(-50%);z-index:0;display:flex;align-items:flex-end;justify-content:center;gap:9px;opacity:.9;pointer-events:none;animation:authEqualizerIntro .9s cubic-bezier(.2,.8,.2,1) .18s both}
    .authEqualizer span{width:15px;min-height:28px;border-radius:10px 10px 3px 3px;background:linear-gradient(180deg,rgba(56,189,248,1),rgba(14,165,233,.22));box-shadow:0 0 28px rgba(56,189,248,.5);animation:authEq 1.9s ease-in-out infinite;transform-origin:bottom}
    .authEqualizer span:nth-child(n+15){background:linear-gradient(180deg,rgba(236,72,153,1),rgba(168,85,247,.24));box-shadow:0 0 28px rgba(236,72,153,.45)}
    .authEqualizer span:nth-child(1),.authEqualizer span:nth-child(28){height:74px;animation-delay:-.1s}.authEqualizer span:nth-child(2),.authEqualizer span:nth-child(27){height:110px;animation-delay:-.4s}.authEqualizer span:nth-child(3),.authEqualizer span:nth-child(26){height:150px;animation-delay:-.8s}.authEqualizer span:nth-child(4),.authEqualizer span:nth-child(25){height:198px;animation-delay:-.2s}.authEqualizer span:nth-child(5),.authEqualizer span:nth-child(24){height:132px;animation-delay:-1.1s}.authEqualizer span:nth-child(6),.authEqualizer span:nth-child(23){height:92px;animation-delay:-.6s}.authEqualizer span:nth-child(7),.authEqualizer span:nth-child(22){height:168px;animation-delay:-.9s}.authEqualizer span:nth-child(8),.authEqualizer span:nth-child(21){height:210px;animation-delay:-.3s}.authEqualizer span:nth-child(9),.authEqualizer span:nth-child(20){height:124px;animation-delay:-1.4s}.authEqualizer span:nth-child(10),.authEqualizer span:nth-child(19){height:86px;animation-delay:-.7s}.authEqualizer span:nth-child(11),.authEqualizer span:nth-child(18){height:142px;animation-delay:-1s}.authEqualizer span:nth-child(12),.authEqualizer span:nth-child(17){height:188px;animation-delay:-.5s}.authEqualizer span:nth-child(13),.authEqualizer span:nth-child(16){height:112px;animation-delay:-1.2s}.authEqualizer span:nth-child(14),.authEqualizer span:nth-child(15){height:68px;animation-delay:-.2s}
    @keyframes authEq{0%,100%{transform:scaleY(.62);filter:saturate(.85)}50%{transform:scaleY(1.08);filter:saturate(1.25)}}
    @keyframes authSceneReveal{from{opacity:0;transform:translateY(18px) scale(.985);filter:saturate(.8)}to{opacity:1;transform:none;filter:saturate(1)}}
    @keyframes authGlowDrift{from{transform:translate3d(-1.5%,0,0) scale(1);filter:hue-rotate(0deg)}to{transform:translate3d(1.5%,1%,0) scale(1.04);filter:hue-rotate(8deg)}}
    @keyframes authLightSweep{0%{opacity:0;transform:translateX(-28%) rotate(4deg)}28%{opacity:.72}100%{opacity:0;transform:translateX(34%) rotate(4deg)}}
    @keyframes authEqualizerIntro{from{opacity:0;transform:translateX(-50%) translateY(22px) scaleY(.55)}to{opacity:.9;transform:translateX(-50%)}}
    @keyframes authCardReveal{from{opacity:0;transform:translateY(22px) scale(.97)}to{opacity:1;transform:none}}
    @keyframes authItemReveal{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
    .authGrid{position:relative;z-index:1;grid-template-columns:minmax(320px,520px);justify-content:center;align-items:center;min-height:640px;gap:16px}
    .authHero{text-align:center;margin-bottom:20px;animation:authItemReveal .62s ease-out .2s both}
    .authLogoStage{position:relative;width:150px;height:106px;margin:0 auto 12px;display:grid;place-items:center}
    .authLogoStage:before,.authLogoStage:after{content:none}
    .authLogo{width:86px;height:86px;border-radius:24px;padding:9px;background:linear-gradient(145deg,rgba(16,24,46,.95),rgba(19,34,66,.95));border:1px solid rgba(56,189,248,.55);box-shadow:0 0 34px rgba(56,189,248,.18),0 0 26px rgba(236,72,153,.12);position:relative;z-index:1}
    .authTitle{font-size:clamp(2rem,4vw,3.05rem);line-height:1;margin:0;text-shadow:0 8px 26px rgba(0,0,0,.62)}
    .authSubtitle{margin-top:9px;color:#bfd7ff;font-weight:900;font-size:1.14rem}
    .login.authPrimary,.login.authSecondary{position:relative;border-color:rgba(56,189,248,.28);background:linear-gradient(180deg,rgba(26,33,58,.82),rgba(11,16,32,.9));backdrop-filter:blur(16px);border-radius:26px;box-shadow:0 28px 70px rgba(0,0,0,.48),inset 0 1px 0 rgba(255,255,255,.06)}
    .login.authPrimary{animation:authCardReveal .72s cubic-bezier(.2,.8,.2,1) .08s both}
    .login.authPrimary{max-width:none;padding:26px}
    .login.authPrimary form{display:grid;gap:0}
    .login.authPrimary form > *,.authDivider,.authRegister{animation:authItemReveal .48s ease-out both}
    .login.authPrimary form > *:nth-child(2){animation-delay:.28s}.login.authPrimary form > *:nth-child(3){animation-delay:.34s}.login.authPrimary form > *:nth-child(4){animation-delay:.4s}.login.authPrimary form > *:nth-child(5){animation-delay:.46s}.login.authPrimary form > *:nth-child(6){animation-delay:.52s}.authDivider{animation-delay:.58s}.authRegister{animation-delay:.64s}
    .login.authSecondary{max-width:none;margin-top:12px;padding:18px;background:linear-gradient(180deg,rgba(17,24,43,.84),rgba(10,15,29,.78));border-color:rgba(236,72,153,.22);box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
    .login.authPrimary input,.login.authSecondary input{min-height:58px;border-radius:19px;background:linear-gradient(90deg,#0b1224,#111a31);border-color:rgba(142,164,198,.42);font-size:1.06rem;padding-left:18px;padding-right:18px}
    .login.authPrimary button,.login.authSecondary button{min-height:58px;border-radius:19px;background:linear-gradient(90deg,#38bdf8,#ec4899);box-shadow:0 16px 36px rgba(56,189,248,.18);font-size:1.1rem}
    .login.authPrimary .passwordToggle,.login.authSecondary .passwordToggle{width:38px;height:38px;min-height:0;padding:0;border-radius:0;background:transparent!important;border:0!important;box-shadow:none!important;color:#bfd7ff;font-size:1.08rem;opacity:.72}
    .login.authPrimary .passwordToggle:hover,.login.authPrimary .passwordToggle:focus-visible,.login.authSecondary .passwordToggle:hover,.login.authSecondary .passwordToggle:focus-visible{background:transparent!important;border:0!important;box-shadow:none!important;opacity:1}
    .login.authPrimary .passwordToggle.isVisible,.login.authSecondary .passwordToggle.isVisible{background:transparent!important;border:0!important;color:#38bdf8;opacity:1}
    .login.authSecondary button{background:linear-gradient(90deg,#263047,#1d2740);box-shadow:none;border:1px solid rgba(80,107,149,.55)}
    .authForgot{display:block;text-align:center;color:#38bdf8;text-decoration:none;font-weight:900;margin-top:8px}
    .authKicker{color:#bfd7ff;font-weight:900;text-align:center;margin-bottom:10px}
    .googleSignInButton{display:flex;align-items:center;justify-content:center;gap:12px;min-height:58px;border-radius:19px;margin:10px 0 6px;background:linear-gradient(90deg,rgba(255,255,255,.96),rgba(226,232,240,.94));border:1px solid rgba(255,255,255,.72);box-shadow:0 16px 36px rgba(15,23,42,.22);color:#111827;text-decoration:none;font-size:1.04rem;font-weight:900;animation:authItemReveal .48s ease-out .62s both}
    .googleSignInButton:hover,.googleSignInButton:focus-visible{background:#fff;box-shadow:0 18px 42px rgba(56,189,248,.18);outline:2px solid rgba(56,189,248,.55);outline-offset:2px}
    .googleMark{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(from -45deg,#4285f4 0 25%,#34a853 0 50%,#fbbc05 0 75%,#ea4335 0);color:#fff;font-weight:900;box-shadow:inset 0 0 0 6px rgba(255,255,255,.16)}
    .authCreateButton{display:flex;align-items:center;justify-content:center;width:100%;min-height:58px;border-radius:19px;margin-top:10px;background:linear-gradient(90deg,rgba(30,41,66,.96),rgba(17,26,44,.96));border:1px solid rgba(56,189,248,.38);box-shadow:0 0 30px rgba(236,72,153,.08);color:#fff;font-size:1.1rem;font-weight:900;cursor:pointer}
    .authRegister{width:100%;margin-top:8px}
    .authRegister summary{list-style:none;outline:none}
    .authRegister summary::-webkit-details-marker{display:none}
    .authRegister[open] .authCreateButton{border-color:rgba(56,189,248,.75);background:linear-gradient(90deg,rgba(56,189,248,.22),rgba(236,72,153,.18))}
    .authDivider{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:14px;color:var(--muted);font-weight:900;margin:14px 0 2px}
    .authDivider:before,.authDivider:after{content:"";height:1px;background:rgba(255,255,255,.12)}
    .appShell{display:grid;grid-template-columns:220px 1fr;gap:18px;align-items:start}
    .sideNav{position:sticky;top:16px;border:1px solid var(--line);background:rgba(21,24,39,.72);border-radius:18px;padding:10px;display:grid;gap:8px}
    .tabBtn{justify-content:flex-start;gap:10px;background:transparent;color:var(--muted);border:1px solid transparent}
    .tabBtn.active{background:var(--accent);color:white;border-color:rgba(255,255,255,.14)}
    .contentStack{display:grid;gap:16px}
    .tabPanel{display:none}
    .tabPanel.active{display:block}
    .sectionTitle{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 14px}
    .sectionTitle h2{margin:0;font-size:1.2rem}
    .playerHero{text-align:center;display:grid;gap:14px;justify-items:center;padding:10px 0 4px}
    .cover{width:min(280px,72vw);aspect-ratio:1;border-radius:18px;background:linear-gradient(135deg,#22284a,#090b12);border:1px solid var(--line);display:grid;place-items:center;font-size:3rem;font-weight:900;color:var(--accent);box-shadow:0 18px 50px rgba(0,0,0,.35);overflow:hidden}
    .cover img{width:76%;height:76%;object-fit:contain;border-radius:18px;background:rgba(255,255,255,.94);padding:12px;box-shadow:0 14px 35px rgba(0,0,0,.25)}
    .controlRow{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
    .playerControls{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;align-items:center;margin-top:14px}
    .playerControls form{display:flex;justify-content:center}
    .playerButton{width:56px;height:56px;padding:0;border-radius:18px;background:rgba(99,102,241,.92);font-size:1.25rem;box-shadow:0 12px 28px rgba(0,0,0,.22)}
    .playerButton.primary{width:70px;height:70px;border-radius:24px;background:#f8fafc;color:#111827;font-size:1.45rem}
    .playerButton.secondary{background:#263047;color:#fff}
    .playerButton.powerButton{background:#4a1e28;color:#fecaca;font-size:.9rem}
    .playerButton.powerButton.on{background:#0d3b2d;color:#bbf7d0}
    .playerButton.muteButton{background:#263047;color:#fff;font-size:.82rem}
    .playerButton.muteButton.on{background:#4a3411;color:#fde68a}
    .volumeControl{margin-top:14px;padding:12px;border:1px solid rgba(255,255,255,.08);border-radius:16px;background:rgba(0,0,0,.16)}
    .volumeHeader{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-weight:900}
    .volumeValue{color:#fff;font-size:1.25rem}
    .statusStrip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:10px}
    .statusStrip div{border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:10px;background:rgba(0,0,0,.18)}
    .adminGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
    .adminBox{border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px;background:rgba(0,0,0,.18)}
    .adminSummary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:0 0 14px}
    .summaryCard{border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px;background:rgba(0,0,0,.18)}
    .summaryCard b{display:block;font-size:1.45rem}
    .wifiList{display:grid;gap:8px;margin-top:12px}
    .wifiRow{display:grid;grid-template-columns:1fr auto auto;gap:8px;align-items:center;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:10px;background:rgba(0,0,0,.16)}
    .wifiRow.active{border-color:rgba(34,197,94,.6);background:rgba(34,197,94,.12)}
    .wifiAdd{display:grid;grid-template-columns:1fr 1fr 90px auto;gap:8px;margin-top:12px}
    .wifiScan{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;margin-top:12px}
    .scanList{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:8px;margin-top:10px}
    .scanBtn{justify-content:space-between;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.08);color:var(--text)}
    .dlnaPanel{display:grid;gap:16px}
    .dlnaHead{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:2px}
    .dlnaHead h2{margin:0;font-size:1.25rem}
    .dlnaStatus{display:inline-flex;align-items:center;border-radius:999px;padding:5px 10px;background:rgba(99,102,241,.16);color:#c7d2fe;font-weight:900}
    .dlnaToolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:10px;background:rgba(0,0,0,.14)}
    .dlnaToolbar form{display:inline-flex}
    .dlnaToolbar [data-field="dlna_shuffle"]{display:inline-flex}
    .dlnaToolbar [data-field="dlna_shuffle"] form{display:inline-flex}
    .dlnaButton{min-height:42px;border-radius:12px;padding:10px 14px;background:#263047;color:#fff;font-size:.92rem}
    .dlnaButton.primary{background:var(--accent)}
    .dlnaButton.toggleOn{background:#0d3b2d;color:#bbf7d0}
    .dlnaGroup{border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px;background:rgba(0,0,0,.12)}
    .dlnaGroupTitle{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .dlnaGroupTitle h3{margin:0;font-size:1.02rem}
    .dlnaServers{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px}
    .dlnaServerBtn{justify-content:space-between;gap:10px;width:100%;min-height:54px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);color:var(--text);text-align:left}
    .dlnaServerBtn span,.dlnaItemTitle{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .dlnaServerBtn small{color:var(--muted);font-weight:900}
    .dlnaList{display:grid;gap:7px}
    .dlnaPager{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-bottom:8px;color:var(--muted);font-weight:900}
    .dlnaPager span{margin-right:auto}
    .dlnaPager form{display:inline-flex}
    .dlnaPager button:disabled{opacity:.45;cursor:not-allowed}
    .dlnaItem{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:10px 12px;background:rgba(0,0,0,.14)}
    .dlnaItemMeta{display:block;margin-top:2px;color:var(--muted);font-weight:800;font-size:.92rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .dlnaItem button{min-width:86px}
    .bleSetup{border:1px solid rgba(99,102,241,.35);border-radius:16px;padding:14px;background:rgba(99,102,241,.08);margin:14px 0}
    .bleGrid{display:grid;grid-template-columns:1fr 1fr auto;gap:8px;margin-top:10px}
    .bleStatus{margin-top:10px;color:var(--muted);font-weight:800}
    .bottomNav{display:none}
    @media(max-width:760px){.pairGrid,.stationAdd,.wifiAdd,.wifiScan,.bleGrid{grid-template-columns:1fr}}
    @media(max-width:820px){main{padding-bottom:86px}.appShell,.authGrid{grid-template-columns:1fr}.sideNav{display:none}.bottomNav{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(4,1fr);gap:6px;padding:8px;background:rgba(9,11,18,.94);border-top:1px solid var(--line);backdrop-filter:blur(12px)}.bottomNav .tabBtn{justify-content:center;padding:10px 6px;font-size:.82rem}.statusStrip,.adminGrid{grid-template-columns:1fr 1fr}}
    @media(max-width:520px){main{padding:22px 12px 86px}.buttons{grid-template-columns:repeat(2,1fr)}.meta{grid-template-columns:1fr}.head{align-items:flex-start;flex-direction:column}.statusStrip,.adminGrid,.adminSummary{grid-template-columns:1fr}.sleepActions{grid-template-columns:repeat(3,minmax(0,1fr))}.stationRow,.wifiRow{grid-template-columns:1fr;}.stationRow form,.wifiRow form{display:block}.stationRow button,.wifiRow button{width:100%}}
    /* App polish pass */
    main{width:min(1320px,100%);padding:24px 18px 36px}
    .head{padding:0 2px 8px;border-bottom:1px solid rgba(255,255,255,.06)}
    h1{letter-spacing:0;font-size:clamp(1.9rem,3.5vw,3rem)}
    .appShell{grid-template-columns:240px minmax(0,1fr)}
    .sideNav{padding:12px;background:linear-gradient(180deg,rgba(21,24,39,.92),rgba(13,16,29,.86))}
    .tabBtn{min-height:48px;padding:12px 14px}
    .card{border-radius:16px;padding:20px;background:linear-gradient(180deg,rgba(21,24,39,.95),rgba(17,20,34,.95))}
    .top{align-items:center;margin-bottom:8px}
    .tabPanel.active{animation:fadeIn .12s ease-out}
    @keyframes fadeIn{from{opacity:.65;transform:translateY(2px)}to{opacity:1;transform:none}}
    .playerHero{grid-template-columns:minmax(180px,260px) 1fr;align-items:center;text-align:left;justify-items:stretch;gap:28px;min-height:340px;padding:12px 12px 6px}
    .cover{width:100%;max-width:260px;justify-self:center;border-radius:14px}
    .playerHero .track{font-size:clamp(1.35rem,2.2vw,2rem);margin:0}
    .statusStrip{grid-template-columns:repeat(2,minmax(120px,1fr));max-width:520px;margin-left:auto;margin-right:auto}
    .controlRow{margin-top:12px}
    .controlRow button{min-width:92px}
    .stationList{border:1px solid rgba(255,255,255,.08);border-radius:14px;overflow:hidden;background:rgba(0,0,0,.12)}
    .stationRow{border:0;border-bottom:1px solid rgba(255,255,255,.07);border-radius:0;background:transparent;padding:12px}
    .stationRow:last-child{border-bottom:0}
    .logoGrid{grid-template-columns:repeat(auto-fill,minmax(106px,1fr));padding:10px;border:1px solid rgba(255,255,255,.08);border-radius:14px;background:rgba(0,0,0,.12)}
    .logoTile{min-height:118px;border-radius:12px;position:relative;touch-action:manipulation}
    .stationList{display:none}
    .stationMenu{position:absolute;left:8px;right:8px;bottom:8px;display:none;gap:6px;padding:7px;border-radius:12px;background:rgba(9,11,18,.94);border:1px solid rgba(255,255,255,.12);box-shadow:0 12px 30px rgba(0,0,0,.45);z-index:3}
    .logoTile.menuOpen .stationMenu{display:grid}
    .stationMenu button{width:100%;padding:9px 10px;border-radius:10px;font-size:.86rem}
    .adminGrid{grid-template-columns:repeat(4,minmax(0,1fr))}
    .adminBox{min-height:76px}
    .settingsGrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
    .settingsPanel{border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:14px;background:rgba(0,0,0,.14)}
    .settingsPanel.full{grid-column:1/-1}
    .deviceTable{width:100%;border-collapse:separate;border-spacing:0 8px}
    .deviceTable th{text-align:left;color:var(--muted);font-size:.78rem;padding:0 10px}
    .deviceTable td{background:rgba(0,0,0,.18);border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07);padding:12px 10px;font-weight:800}
    .deviceTable td:first-child{border-left:1px solid rgba(255,255,255,.07);border-radius:12px 0 0 12px}
    .deviceTable td:last-child{border-right:1px solid rgba(255,255,255,.07);border-radius:0 12px 12px 0}
    .miniPill{display:inline-flex;align-items:center;border-radius:999px;padding:4px 8px;background:rgba(99,102,241,.16);color:#c7d2fe;font-weight:900}
    .miniPill.ok{background:rgba(34,197,94,.15);color:#bbf7d0}
    .miniPill.bad{background:rgba(239,68,68,.15);color:#fecaca}
    .navBadge{margin-left:auto;min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:rgba(99,102,241,.28);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:.78rem;font-weight:900}
    .tabBtn .navBadge:empty{display:none}
    .messageGrid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:14px;align-items:start}
    .messageList,.userList{display:grid;gap:10px}
    .messageCard,.userCard,.adminForm{border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:14px;background:rgba(0,0,0,.16)}
    .messageCard.unread{border-color:rgba(99,102,241,.68);background:rgba(99,102,241,.12)}
    .messageHead,.userHead{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:8px}
    .messageHead b,.userHead b{font-size:1.02rem}
    .messageBody{white-space:pre-wrap;line-height:1.45;color:#e5e7eb}
    textarea,select{width:100%;border:1px solid var(--line);border-radius:12px;background:#0c1020;color:#fff;padding:11px 12px;font:inherit;font-weight:800;margin:8px 0 12px}
    textarea{min-height:120px;resize:vertical}
    .formGrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
    .adminDeviceTools{display:grid;grid-template-columns:1fr 1fr 1fr auto auto auto;gap:8px;margin:0 0 12px}
    .adminCenterGrid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:14px;align-items:start}
    .userEditGrid{display:grid;grid-template-columns:1fr 1fr 130px;gap:8px}
    .inlineActions{display:flex;gap:8px;flex-wrap:wrap}
    .checkRow{display:flex;align-items:flex-start;gap:10px;margin:8px 0 14px;color:var(--muted);font-weight:800}
    .checkRow input{width:auto;margin-top:4px}
    .accountGrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .accountList{display:grid;gap:8px}
    .accountItem{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:10px 12px;background:rgba(0,0,0,.14)}
    .accountItem b,.accountItem .muted{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
    .diagnosticBox{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.9rem}
    .bleSetup{margin:0}
    input[data-ble-ssid],input[data-wifi-ssid-input],.wifiAdd input,.bleGrid input{caret-color:#fff}
    @media(max-width:980px){
      main{width:100%;padding:18px 12px 88px}
      .appShell,.authGrid{grid-template-columns:1fr}
      .sideNav{display:none}
      .bottomNav{position:fixed;left:0;right:0;bottom:0;z-index:20;display:grid;grid-template-columns:repeat(auto-fit,minmax(70px,1fr));gap:6px;padding:8px;background:rgba(9,11,18,.96);border-top:1px solid var(--line);backdrop-filter:blur(12px)}
      .bottomNav .tabBtn{justify-content:center;min-height:46px;padding:10px 6px;font-size:.88rem}
      .playerHero{grid-template-columns:1fr;text-align:center;justify-items:center;gap:16px;min-height:0;padding:4px 0}
      .adminGrid,.settingsGrid{grid-template-columns:1fr 1fr}
      .deviceTable{font-size:.9rem}
    }
    @media(max-width:700px){
      body{background:linear-gradient(180deg,#1d2340 0,#090b12 42%)}
      main{padding:16px 10px 86px}
      .head{gap:10px;margin-bottom:14px;padding-bottom:14px}
      .head h1{font-size:2rem;line-height:1.05}
      .head .muted{font-size:.95rem;overflow-wrap:anywhere}
      .head .btn{padding:10px 14px}
      .contentStack{gap:12px}
      .card{width:100%;padding:14px;border-radius:16px}
      .top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:start}
      .name{font-size:1.12rem;line-height:1.2;overflow-wrap:anywhere}
      .pill{padding:7px 10px;font-size:.9rem}
      .cover{max-width:180px;border-radius:16px;font-size:2.5rem}
      .playerHero .track{font-size:1.25rem;line-height:1.18;max-width:100%;overflow-wrap:anywhere}
      .statusStrip{grid-template-columns:1fr 1fr;gap:8px}
      .statusStrip div{padding:10px}
      .playerControls{grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;width:100%}
      .playerButton{width:52px;height:52px;border-radius:17px}
      .playerButton.primary{width:64px;height:64px;border-radius:22px}
      .logoGrid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:10px}
      .logoTile{min-height:128px;padding:10px}
      .logoTile img,.logoFallback{width:72px;height:72px}
      .stationList{border-radius:14px}
      .stationRow,.wifiRow{grid-template-columns:1fr auto;gap:8px}
      .dlnaToolbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
      .dlnaToolbar [data-field="dlna_shuffle"]{display:block}
      .dlnaToolbar form,.dlnaToolbar button{width:100%}
      .dlnaItem{grid-template-columns:1fr}
      .dlnaItem button{width:100%}
      .stationRow form:first-of-type,.wifiRow form:first-of-type{grid-column:2}
      .stationRow form:last-of-type,.wifiRow form:last-of-type{grid-column:1 / -1}
      .stationRow button,.wifiRow button{width:100%}
      .stationAdd,.wifiAdd,.wifiScan,.bleGrid,.pairGrid{grid-template-columns:1fr}
      .adminGrid{grid-template-columns:1fr 1fr;gap:8px}
      .adminBox{min-height:0;padding:11px;overflow-wrap:anywhere}
      .settingsGrid,.messageGrid,.adminCenterGrid,.formGrid,.userEditGrid,.accountGrid,.adminDeviceTools{grid-template-columns:1fr}
      .authScene{min-height:0;padding:18px;border-radius:22px}
      .authEqualizer{top:178px;width:112vw;height:168px;gap:6px;opacity:.82}
      .authEqualizer span{width:9px}
      .authGrid{min-height:0;grid-template-columns:1fr;gap:14px}
      .login.authPrimary,.login.authSecondary{border-radius:22px;padding:18px}
      .authLogoStage{width:128px;height:98px}
      .authLogo{width:74px;height:74px;border-radius:20px}
      .authTitle{font-size:2rem}
      .sectionTitle{align-items:flex-start}
      .sectionTitle h2{font-size:1.15rem;line-height:1.15}
      .deviceTable{display:block;overflow-x:auto;white-space:nowrap}
    }
    @media(max-width:420px){
      .head h1{font-size:1.44rem;white-space:nowrap}
      .head .muted{font-size:.86rem}
      .head .btn,.installBtn{padding:9px 12px}
      .card{padding:12px}
      .adminGrid{grid-template-columns:1fr}
      .statusStrip{grid-template-columns:1fr 1fr}
      .statusStrip div{padding:9px}
      .playerControls{grid-template-columns:repeat(5,minmax(0,1fr))}
      .logoGrid{grid-template-columns:1fr 1fr}
      .logoTile span{font-size:.92rem}
    }
    @media(prefers-reduced-motion:reduce){
      .authScene,.authScene:before,.authScene:after,.authEqualizer,.authEqualizer span,.login.authPrimary,.authHero,.login.authPrimary form > *,.authDivider,.authRegister{animation:none!important;transition:none!important}
    }