:root{--bg:#0b0d1a;--bg2:#10142a;--card:#141830;--card2:#1a1f3b;--line:#262c52;--text:#e8ebff;--muted:#8e96c4;--a1:#8b5cf6;--a2:#22d3ee;--ok:#34d399;--bad:#fb7185;--warn:#fbbf24;--glow:.5;--halo:.12;--shadow:0 10px 40px rgba(0,0,0,.35);--r:16px;color-scheme:dark}
[data-theme=light]{--bg:#f4f6ff;--bg2:#eceffd;--card:#fff;--card2:#f1f3fd;--line:#dde1f5;--text:#1b2040;--muted:#6a719b;--a1:#7c5cf0;--a2:#0aa5c9;--glow:.28;--halo:.05;--shadow:0 10px 30px rgba(60,70,140,.12);color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:15px/1.6 "Segoe UI",system-ui,-apple-system,"Noto Sans Arabic",Tahoma,Roboto,sans-serif;transition:background .4s,color .4s}
a{color:var(--a2);text-decoration:none}a:hover{text-decoration:underline}
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden}
.bg i{position:absolute;width:60vmax;height:60vmax;border-radius:50%;filter:blur(90px);opacity:.14;animation:drift 38s ease-in-out infinite alternate}
.bg i:first-child{background:var(--a1);top:-25vmax;left:-15vmax}.bg i:last-child{background:var(--a2);bottom:-30vmax;right:-20vmax;animation-delay:-19s}
[data-theme=light] .bg i{opacity:.1}
@keyframes drift{to{transform:translate(8vmax,6vmax) scale(1.12)}}
@keyframes flow{0%,100%{background-position:0 50%}50%{background-position:100% 50%}}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(52,211,153,.5)}50%{box-shadow:0 0 0 7px rgba(52,211,153,0)}}
@keyframes eq{0%,100%{transform:scaleY(.35)}50%{transform:scaleY(1)}}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
/* soft RGB glow */
.glow{position:relative;background:var(--card);border-radius:var(--r);box-shadow:var(--shadow)}
.glow::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;background:linear-gradient(120deg,var(--a1),var(--a2),#c084fc,var(--a2),var(--a1));background-size:300% 300%;animation:flow 16s ease-in-out infinite;opacity:var(--glow);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0)}
.glow::after{content:"";position:absolute;inset:-6px;z-index:-1;border-radius:calc(var(--r) + 6px);background:linear-gradient(120deg,var(--a1),var(--a2),#c084fc,var(--a2),var(--a1));background-size:300% 300%;animation:flow 16s ease-in-out infinite;filter:blur(18px);opacity:var(--halo);pointer-events:none;transition:opacity .4s}
.glow:hover::after{opacity:calc(var(--halo)*2)}
/* layout */
header#nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;padding:10px 22px;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text)!important;text-decoration:none!important;letter-spacing:.2px}
.brand small{font-weight:500;color:var(--muted)}
.logo{width:38px;height:38px;flex:none}.logo .bar{transform-box:fill-box;transform-origin:center;animation:eq 2.6s ease-in-out infinite}.logo .bar:nth-child(2){animation-delay:-.6s}.logo .bar:nth-child(3){animation-delay:-1.3s}.logo .bar:nth-child(4){animation-delay:-1.9s}
.nav{display:flex;gap:4px;margin-inline-start:12px;overflow-x:auto;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}
.nav a{padding:7px 13px;border-radius:10px;color:var(--muted);white-space:nowrap;text-decoration:none!important;transition:.25s}.nav a:hover{color:var(--text);background:var(--card2)}.nav a.on{color:var(--text);background:var(--card2);box-shadow:inset 0 -2px 0 var(--a1)}
.sp{flex:1}.tools{display:flex;align-items:center;gap:8px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:99px;background:var(--card2);border:1px solid var(--line);color:var(--text);font-size:13px;white-space:nowrap}
main{flex:1;width:100%;max-width:1080px;margin:0 auto;padding:30px 22px 50px;animation:rise .5s ease both}
footer{padding:22px;text-align:center;color:var(--muted);font-size:12.5px}footer a{color:var(--muted);margin:0 8px}
h1{font-size:28px;margin:0 0 6px}h2{font-size:19px;margin:0 0 14px}h3{font-size:15px;margin:0 0 8px}
.muted{color:var(--muted)}.sm{font-size:13px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(270px,1fr))}.stack>*+*{margin-top:18px}
.card{padding:22px}.card.sm-pad{padding:16px}
/* controls */
input,select,textarea{width:100%;padding:11px 14px;border-radius:12px;border:1px solid var(--line);background:var(--card2);color:var(--text);font:inherit;outline:none;transition:border-color .25s,box-shadow .25s}
input:focus,select:focus,textarea:focus{border-color:var(--a1);box-shadow:0 0 0 3px color-mix(in srgb,var(--a1) 22%,transparent)}
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:0;border-radius:12px;font:inherit;font-weight:600;cursor:pointer;color:#fff;background:linear-gradient(120deg,var(--a1),var(--a2));background-size:200% 200%;animation:flow 14s ease-in-out infinite;transition:transform .2s,filter .2s,opacity .2s;text-decoration:none!important}
.btn:hover{filter:brightness(1.1);transform:translateY(-1px)}.btn:active{transform:none}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn.ghost{background:var(--card2);color:var(--text);border:1px solid var(--line);animation:none}.btn.danger{background:linear-gradient(120deg,#e11d48,#fb7185);animation:none}.btn.small{padding:6px 12px;font-size:13px;border-radius:9px}
.icon{background:transparent;border:1px solid var(--line);color:var(--muted);width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.25s;padding:0;font:inherit;font-size:13px;font-weight:600}.icon:hover{color:var(--text);border-color:var(--a1);background:var(--card2)}.icon svg{width:18px;height:18px}
.err{color:var(--bad);font-size:13px;min-height:20px;margin-top:10px}
.badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;padding:3px 10px;border-radius:99px;background:var(--card2);border:1px solid var(--line);color:var(--muted)}
.badge.live{color:var(--ok);border-color:color-mix(in srgb,var(--ok) 40%,transparent)}.badge.live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pulse 2.4s infinite}
.badge.bad{color:var(--bad)}.badge.good{color:var(--ok)}
.bar-wrap{height:8px;border-radius:99px;background:var(--card2);overflow:hidden;border:1px solid var(--line)}.bar-fill{height:100%;border-radius:99px;background:linear-gradient(90deg,var(--a1),var(--a2));transition:width .6s}
table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px 12px;text-align:start;border-bottom:1px solid var(--line);vertical-align:middle}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.5px}tr:last-child td{border-bottom:0}
.scroll{overflow-x:auto}
/* hero */
.hero{text-align:center;padding:40px 0 30px}.hero .logo{width:92px;height:92px;margin-bottom:10px;filter:drop-shadow(0 0 24px color-mix(in srgb,var(--a1) 50%,transparent))}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.15;margin:8px 0 12px;background:linear-gradient(120deg,var(--text),var(--a2),var(--a1));background-size:200% 200%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:flow 18s ease-in-out infinite}
.hero p{max-width:560px;margin:0 auto 26px;color:var(--muted);font-size:17px}
.wave{display:flex;gap:5px;justify-content:center;align-items:flex-end;height:46px;margin:30px 0 0}.wave i{width:5px;height:100%;border-radius:4px;background:linear-gradient(var(--a2),var(--a1));opacity:.7;animation:eq 3.4s ease-in-out infinite}
.auth{max-width:420px;margin:30px auto}
/* room link box */
.linkbox{display:flex;gap:8px;align-items:center;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:6px 6px 6px 14px}.linkbox code{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;direction:ltr;text-align:left;font-size:13.5px;color:var(--a2)}
.seg{display:inline-flex;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:3px}.seg button{border:0;background:transparent;color:var(--muted);padding:7px 16px;border-radius:9px;font:inherit;cursor:pointer;transition:.25s}.seg button.on{background:linear-gradient(120deg,var(--a1),var(--a2));color:#fff}
.switch{display:inline-flex;align-items:center;gap:10px;cursor:pointer;color:var(--text);margin:0;font-size:14px}.switch input{display:none}.switch span{width:42px;height:24px;border-radius:99px;background:var(--card2);border:1px solid var(--line);position:relative;transition:.3s}.switch span::after{content:"";position:absolute;top:2px;inset-inline-start:2px;width:18px;height:18px;border-radius:50%;background:var(--muted);transition:.3s}.switch input:checked+span{background:color-mix(in srgb,var(--a1) 55%,transparent);border-color:var(--a1)}.switch input:checked+span::after{inset-inline-start:20px;background:#fff}
.list{list-style:none;margin:0;padding:0}.list li{display:flex;align-items:center;gap:10px;padding:9px 12px;border:1px solid var(--line);border-radius:12px;background:var(--card2);margin-bottom:8px;transition:.2s}.list li.drag{opacity:.45}.list li.over{border-color:var(--a2)}.list .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.list .grab{cursor:grab;color:var(--muted)}
.drop{border:2px dashed var(--line);border-radius:var(--r);padding:30px;text-align:center;color:var(--muted);transition:.3s;cursor:pointer}.drop.on,.drop:hover{border-color:var(--a1);background:color-mix(in srgb,var(--a1) 7%,transparent);color:var(--text)}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px}.tabs button{border:1px solid var(--line);background:var(--card2);color:var(--muted);padding:8px 16px;border-radius:10px;font:inherit;cursor:pointer;transition:.25s}.tabs button.on{color:#fff;border-color:transparent;background:linear-gradient(120deg,var(--a1),var(--a2))}
.stat{padding:18px}.stat b{display:block;font-size:26px;line-height:1.2}.stat span{color:var(--muted);font-size:13px}
.codes{font-family:ui-monospace,Consolas,monospace;direction:ltr;text-align:left;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:12px;white-space:pre;overflow:auto;max-height:200px;font-size:13px}
/* modal + toast */
#modal{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(5,6,16,.62);backdrop-filter:blur(6px)}#modal.open{display:flex;animation:rise .25s both}.dlg{max-width:420px;width:100%;padding:24px}
#toasts{position:fixed;bottom:20px;inset-inline-end:20px;z-index:60;display:flex;flex-direction:column;gap:8px}.toast{padding:11px 16px;border-radius:12px;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);animation:rise .3s both;max-width:340px}.toast.bad{border-color:var(--bad)}.toast.ok{border-color:var(--ok)}
.empty{text-align:center;color:var(--muted);padding:34px 10px}
.player{width:100%;height:40px;margin-top:6px}
.prose p{color:var(--muted);line-height:1.8}.prose h3{margin-top:22px}
@media(max-width:720px){header#nav{flex-wrap:wrap;padding:10px 14px}.nav{order:3;width:100%;margin:0}main{padding:22px 14px 40px}.brand small{display:none}.hide-sm{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}