:root{
  --bg:#0A0507; --bg2:#14090B;
  --panel:rgba(255,255,255,.035);
  --border:rgba(255,90,90,.14);
  --text:#f7f1f1; --muted:#c9a8a8;
  --red:#A31621; --red-deep:#5A0E15; --red-glow:#FF2E44; --red-soft:rgba(163,22,33,.16);
  --danger:#FF2E44; --ok:#4ade80; --gold:#E8B923;
  --radius:18px; --shadow:0 18px 50px rgba(0,0,0,.6);
  --font:"Segoe UI",Tahoma,Arial,"Noto Kufi Arabic",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:radial-gradient(1100px 650px at 85% -10%,rgba(163,22,33,.22),transparent),radial-gradient(900px 600px at 8% 12%,rgba(90,14,21,.5),transparent),var(--bg);color:var(--text);font-family:var(--font);min-height:100vh}
.bg-orbs{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.orb{position:absolute;border-radius:50%;filter:blur(100px);opacity:.4}
.o1{width:520px;height:520px;background:#A31621;top:-180px;left:-140px;animation:drift 14s ease-in-out infinite alternate}
.o2{width:420px;height:420px;background:#0A0507;bottom:-160px;right:-120px;animation:drift 18s ease-in-out infinite alternate-reverse}
.o3{width:240px;height:240px;background:#FF2E44;top:42%;left:52%;opacity:.12}
.grid-overlay{position:absolute;inset:0;background-image:linear-gradient(rgba(255,60,60,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,60,60,.045) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(700px 420px at 50% 0%,#000,transparent)}
@keyframes drift{to{transform:translate(40px,40px) scale(1.08)}}
.view{position:relative;z-index:1}
.hidden{display:none!important}
.glass{background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));border:1px solid var(--border);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-radius:var(--radius);box-shadow:var(--shadow)}
.btn{border:1px solid var(--border);background:rgba(255,255,255,.06);color:var(--text);border-radius:12px;padding:10px 18px;font-weight:700;font-family:var(--font);cursor:pointer;transition:.2s;display:inline-flex;align-items:center;gap:8px}
.btn:hover{transform:translateY(-1px);border-color:rgba(255,46,68,.45);box-shadow:0 6px 22px rgba(163,22,33,.35)}
.btn-primary{background:linear-gradient(135deg,#A31621,#5A0E15 70%,#0A0507);border:1px solid rgba(255,46,68,.4);box-shadow:0 8px 26px rgba(163,22,33,.5),inset 0 1px 0 rgba(255,255,255,.25)}
.btn-lg{font-size:17px;padding:15px 32px;border-radius:14px}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:10px}
.btn-ghost{background:transparent}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.avatar{width:38px;height:38px;border-radius:50%;object-fit:cover;background:#1A0B0D;border:1px solid var(--border)}
.avatar-lg{width:72px;height:72px}
.logo{width:40px;height:40px;border-radius:12px;object-fit:cover;box-shadow:0 0 18px rgba(255,46,68,.5)}
/* landing */
.topbar{display:flex;justify-content:space-between;align-items:center;margin:18px auto;max-width:1160px;padding:14px 22px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.hero{max-width:1160px;margin:30px auto;padding:0 22px 60px;text-align:center}
.hero-logo{width:130px;height:130px;border-radius:32px;object-fit:cover;box-shadow:0 0 60px rgba(255,46,68,.45),0 20px 50px rgba(0,0,0,.6);animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-10px)}}
.eyebrow{color:#FF2E44;letter-spacing:3px;font-size:12px;font-weight:700;margin-top:18px}
.hero h1{font-size:clamp(44px,7vw,84px);font-weight:900;letter-spacing:-1px;background:linear-gradient(180deg,#fff,#FF2E44 55%,#A31621);-webkit-background-clip:text;background-clip:text;color:transparent;margin:12px 0 6px;text-shadow:0 0 80px rgba(163,22,33,.35)}
.subtitle{color:var(--muted);font-size:clamp(16px,2.4vw,22px);margin-bottom:28px}
.hero-cta{display:flex;flex-direction:column;align-items:center;gap:12px}
.hint{color:var(--muted);font-size:13px}
.stats-row{display:flex;gap:14px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.stat{padding:16px 30px;display:flex;flex-direction:column;gap:4px;min-width:150px}
.stat strong{font-size:26px;color:#fff}
.stat span{font-size:13px;color:var(--muted)}
.pulse-dot{display:inline-block;width:10px;height:10px;border-radius:50%;background:#4ade80;box-shadow:0 0 10px #4ade80;animation:blink 1.6s infinite}
@keyframes blink{50%{opacity:.4}}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:34px;text-align:right}
.step{padding:24px;position:relative;color:#FF8A95}
.step-num{position:absolute;top:14px;left:18px;font-size:44px;font-weight:900;color:rgba(255,60,60,.14)}
.step h3{color:var(--text);margin:12px 0 6px;font-size:17px}
.step p{color:var(--muted);font-size:14px;line-height:1.7}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin-top:16px;text-align:right}
.feature{padding:24px;transition:.2s}
.feature:hover{transform:translateY(-3px);border-color:rgba(255,46,68,.5);box-shadow:0 14px 40px rgba(163,22,33,.35)}
.f-icon{display:inline-flex;padding:12px;border-radius:14px;background:linear-gradient(135deg,rgba(163,22,33,.3),rgba(90,14,21,.3));border:1px solid rgba(255,46,68,.35);color:#FF2E44;margin-bottom:12px}
.feature h3{margin-bottom:8px;font-size:16px}
.feature p{color:var(--muted);font-size:14px;line-height:1.7}
.footer{text-align:center;color:var(--muted);font-size:13px;padding:26px;opacity:.8}
/* app layout */
#view-app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{margin:16px;padding:20px 16px;display:flex;flex-direction:column;gap:18px;border-radius:20px}
.side-nav{display:flex;flex-direction:column;gap:6px}
.nav-item{background:transparent;border:1px solid transparent;color:var(--muted);text-align:right;padding:11px 14px;border-radius:12px;font-size:15px;font-weight:700;font-family:var(--font);cursor:pointer;transition:.18s;display:flex;align-items:center;gap:10px}
.nav-item:hover{color:var(--text);background:rgba(255,60,60,.07)}
.nav-item.active{color:#fff;background:linear-gradient(135deg,rgba(163,22,33,.4),rgba(90,14,21,.35));border-color:rgba(255,46,68,.45);box-shadow:0 0 18px rgba(163,22,33,.4)}
.side-user{margin-top:auto;display:flex;align-items:center;gap:10px}
.side-user-meta{flex:1;min-width:0}
.side-user-meta strong{display:block;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-user-meta span{font-size:12px;color:var(--muted)}
.main{padding:22px;max-width:1200px;width:100%;margin:0 auto}
.main-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px}
.head-user{display:flex;align-items:center;gap:10px}
.mobile-only,.mobile-nav{display:none}
.page-title{display:flex;justify-content:space-between;align-items:center;margin:6px 0 16px}
.page-title h2{font-size:26px}
.page-title p,.muted{color:var(--muted);font-size:14px}
/* rooms */
.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.room-card{padding:20px;display:flex;flex-direction:column;gap:10px;transition:.2s;position:relative;overflow:hidden}
.room-card::before{content:"";position:absolute;top:0;right:0;left:0;height:3px;background:linear-gradient(90deg,transparent,#A31621,transparent);opacity:.8}
.room-card:hover{transform:translateY(-2px);border-color:rgba(255,46,68,.5);box-shadow:0 14px 40px rgba(163,22,33,.35)}
.room-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.room-top strong{font-size:17px}
.status{font-size:12px;font-weight:700;padding:4px 10px;border-radius:99px}
.status.on{background:rgba(74,222,128,.13);color:var(--ok);border:1px solid rgba(74,222,128,.4)}
.status.off{background:rgba(255,93,108,.13);color:var(--danger);border:1px solid rgba(255,93,108,.4)}
.room-sub{color:var(--muted);font-size:13px}
.room-now{font-size:13px;background:rgba(0,0,0,.35);border:1px solid var(--border);border-radius:10px;padding:8px 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
/* room panel */
.room-layout{display:flex;flex-direction:column;gap:16px}
.now-playing{display:grid;grid-template-columns:260px 1fr;gap:24px;padding:26px;position:relative;overflow:hidden}
.np-art{position:relative;width:100%;aspect-ratio:1;border-radius:16px;overflow:hidden;background:linear-gradient(135deg,#1A0B0D,#0A0507);border:1px solid var(--border)}
.np-art img{width:100%;height:100%;object-fit:cover;display:block;position:relative;z-index:1}
.np-art-fallback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:64px;color:rgba(255,120,120,.3)}
.np-glow{position:absolute;inset:-40px;background:radial-gradient(circle,rgba(163,22,33,.35),transparent 70%);z-index:0}
.np-meta h2{font-size:24px;margin-bottom:4px}
.np-meta p{color:var(--muted);margin-bottom:14px}
.np-progress{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
input[type=range]{flex:1;accent-color:#A31621;cursor:pointer}
.np-controls{display:flex;align-items:center;gap:10px;margin:16px 0}
.ctl{width:44px;height:44px;border-radius:50%;border:1px solid var(--border);background:rgba(255,255,255,.05);color:var(--text);font-size:17px;cursor:pointer;transition:.18s;display:inline-flex;align-items:center;justify-content:center}
.ctl:hover{border-color:#FF2E44;box-shadow:0 0 14px rgba(163,22,33,.55)}
.ctl-main{width:62px;height:62px;font-size:22px;background:linear-gradient(135deg,#A31621,#0A0507);border:1px solid rgba(255,46,68,.5);box-shadow:0 0 26px rgba(163,22,33,.6)}
.ctl.toggled{border-color:#FF2E44;color:#FF2E44;box-shadow:0 0 14px rgba(163,22,33,.5)}
.np-volume{display:flex;align-items:center;gap:10px;max-width:320px;font-size:13px;color:var(--muted)}
.np-room{font-size:12px!important;margin:12px 0 0!important}
.room-cols{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.panel{padding:20px;min-width:0}
.panel h3{margin-bottom:12px;font-size:16px}
.search-row{display:flex;gap:8px;margin-bottom:12px}
.search-row input{flex:1;background:rgba(0,0,0,.45);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:10px 12px;font-size:14px;font-family:var(--font);outline:none;min-width:0}
.search-row input:focus{border-color:#A31621;box-shadow:0 0 12px rgba(163,22,33,.35)}
.track-list{display:flex;flex-direction:column;gap:8px;max-height:460px;overflow:auto}
.track{display:flex;align-items:center;gap:10px;padding:8px;border-radius:12px;border:1px solid transparent;transition:.15s}
.track:hover{background:rgba(163,22,33,.07);border-color:var(--border)}
.track img{width:48px;height:48px;border-radius:9px;object-fit:cover;background:#1A0B0D;flex-shrink:0}
.track .t-meta{flex:1;min-width:0}
.track .t-meta strong{display:block;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.track .t-meta span{font-size:12px;color:var(--muted)}
.track .t-dur{font-size:12px;color:var(--muted);flex-shrink:0}
.track .t-btns{display:flex;gap:6px;flex-shrink:0}
.mini-btn{border:1px solid var(--border);background:rgba(255,255,255,.06);color:var(--text);border-radius:8px;padding:5px 10px;font-size:12px;font-family:var(--font);cursor:pointer}
.mini-btn:hover{border-color:#FF2E44;box-shadow:0 0 10px rgba(163,22,33,.4)}
.mini-btn.danger:hover{border-color:var(--danger);color:var(--danger)}
.queue-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.queue-head h3{margin:0}
.queue-actions{display:flex;gap:6px}
.playlist-mini{display:flex;flex-direction:column;gap:8px}
.skel{border-radius:12px;background:linear-gradient(90deg,rgba(255,80,80,.06),rgba(255,80,80,.14),rgba(255,80,80,.06));background-size:200% 100%;animation:shimmer 1.2s infinite;height:64px}
@keyframes shimmer{to{background-position:-200% 0}}
.empty{color:var(--muted);font-size:14px;text-align:center;padding:26px 10px;border:1px dashed var(--border);border-radius:12px;line-height:1.9}
/* playlists */
.pl-cover{width:100%;aspect-ratio:16/8;border-radius:12px;object-fit:cover;background:linear-gradient(135deg,#5A0E15,#0A0507)}
.song-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid rgba(255,90,90,.08)}
/* profile */
.profile-card{display:flex;align-items:center;gap:16px}
/* toasts + modal */
#toasts{position:fixed;bottom:20px;left:20px;display:flex;flex-direction:column;gap:10px;z-index:50}
.toast{background:rgba(10,5,7,.95);border:1px solid var(--border);border-right:3px solid #A31621;padding:12px 16px;border-radius:12px;font-size:14px;box-shadow:var(--shadow);animation:slidein .25s ease;max-width:320px}
.toast.ok{border-right-color:var(--ok)}.toast.err{border-right-color:var(--danger)}
@keyframes slidein{from{transform:translateX(-20px);opacity:0}}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.65);display:flex;align-items:center;justify-content:center;z-index:60;padding:16px}
.modal-card{padding:24px;max-width:420px;width:100%;display:flex;flex-direction:column;gap:12px}
.modal-row{display:flex;gap:8px}
.modal-row input{flex:1;background:rgba(0,0,0,.45);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:9px 12px;min-width:0;font-family:var(--font)}
/* responsive */
@media(max-width:1080px){.room-cols{grid-template-columns:1fr 1fr}.now-playing{grid-template-columns:200px 1fr}}
@media(max-width:860px){
  #view-app{grid-template-columns:1fr}
  .sidebar{display:none}
  .mobile-nav{display:flex;gap:6px;overflow:auto}
  .mobile-only{display:flex}
  .head-user span{display:none}
  .room-cols{grid-template-columns:1fr}
  .now-playing{grid-template-columns:1fr}
  .np-art{max-width:320px}
  .main{padding:14px}
  .stats-row{flex-direction:column}
}