:root{
  --bg:#14110f;
  --bg-2:#1c1815;
  --surface:#231e1a;
  --line:#3a322b;
  --text:#f4ede4;
  --muted:#b3a698;
  --amber:#f0a94b;
  --amber-2:#ffcf8a;
  --teal:#4fb3a5;
  --coral:#e9735b;
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:"IBM Plex Sans Arabic",system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:inherit;text-decoration:none}
h1,h2,h3,.brand{font-family:"Reem Kufi","IBM Plex Sans Arabic",sans-serif;line-height:1.3}
.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.accent{color:var(--amber);font-weight:600}
.center{text-align:center}
.inline{display:inline}
small{font-size:.82em}

/* nav */
.topbar{position:sticky;top:0;z-index:50;background:rgba(20,17,15,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:700}
.brand-mark{width:32px;height:32px;border-radius:10px;background:linear-gradient(135deg,var(--amber),var(--coral));display:grid;place-items:center}
.brand-mark svg{width:19px;height:19px}
.nav-links{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:.95rem}
.nav-links a:not(.btn):hover,.link:hover{color:var(--text)}
.who{color:var(--text);font-weight:500}
.link{background:none;border:0;color:var(--muted);font:inherit;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:11px 22px;font-weight:600;font-size:1rem;transition:transform .15s,background .15s,border-color .15s;cursor:pointer;border:1px solid transparent;font-family:inherit;color:var(--text);background:none}
.btn-primary{background:var(--amber);color:#1b1206}
.btn-primary:hover{background:var(--amber-2)}
.btn-ghost{border-color:var(--line)}
.btn-ghost:hover{border-color:var(--muted)}
.btn-sm{padding:7px 16px;font-size:.9rem}
.btn-lg{padding:15px 34px;font-size:1.1rem}
.btn:disabled{opacity:.6;cursor:wait}
.danger{color:var(--coral)}

/* page */
.page{padding-top:40px;padding-bottom:80px}
.page-head{margin-bottom:28px}
.page-head h1{font-size:clamp(1.7rem,3.4vw,2.3rem)}
h2{font-size:1.3rem;margin-bottom:16px}
.flash{padding:12px 16px;border-radius:12px;margin-bottom:16px;background:rgba(79,179,165,.12);border:1px solid rgba(79,179,165,.35)}
.flash.err{background:rgba(233,115,91,.1);border-color:rgba(233,115,91,.4)}
.empty{padding:36px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);text-align:center}

/* forms */
.form{display:grid;gap:16px}
.form label{display:grid;gap:6px;font-weight:500;font-size:.95rem}
.form small{color:var(--muted);font-weight:400}
input,textarea,select{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:11px 14px;color:var(--text);font:inherit;font-weight:400}
input:focus,textarea:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(240,169,75,.15)}
input[type=datetime-local]{color-scheme:dark}
.form .btn{margin-top:4px}

.auth .page{display:grid;place-items:start center}
.auth-card{width:100%;max-width:440px;margin-top:24px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:32px 28px}
.auth-card h1{font-size:1.7rem}
.auth-card > .muted{margin-bottom:20px}
.auth-card p.center{margin-top:18px}

/* dashboard */
.split{display:grid;grid-template-columns:380px 1fr;gap:28px;align-items:start}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:sticky;top:88px}
.list{display:grid;gap:12px}

/* event cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.event-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;display:flex;flex-direction:column;gap:8px}
.event-card h3{font-size:1.15rem}
.event-card .desc{font-size:.93rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ev-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.88rem;color:var(--amber-2)}
.ev-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.ev-foot{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:auto;padding-top:10px;font-size:.9rem}
.host{display:flex;gap:10px;align-items:center}
.host div{display:grid;line-height:1.4}
.host small{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.av{width:38px;height:38px;flex:none;border-radius:50%;display:grid;place-items:center;background:linear-gradient(150deg,#3b2a1c,#6b4524);font-family:"Reem Kufi";border:1px solid #5a4630}
.tag{background:var(--line);color:var(--muted);padding:1px 8px;border-radius:6px;font-size:.78rem}
.live{display:inline-flex;align-items:center;gap:6px;background:var(--coral);color:#fff;font-weight:700;padding:2px 9px;border-radius:6px;font-size:.75rem;letter-spacing:.5px}
.live i{width:6px;height:6px;border-radius:50%;background:#fff;animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.3}}

/* room */
.prejoin{max-width:560px;margin:40px auto;text-align:center;display:grid;gap:12px;justify-items:center}
.prejoin h1{font-size:clamp(1.6rem,3.6vw,2.4rem)}
.eyebrow{display:inline-block;padding:4px 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.88rem}
.room-page .page{padding-top:20px;padding-bottom:24px}
.stage{display:flex;flex-direction:column;gap:14px;min-height:calc(100vh - 110px)}
.stage-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.stage-title{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.vgrid{flex:1;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));grid-auto-rows:minmax(180px,1fr);gap:10px;align-content:start}
.vtile{position:relative;border-radius:16px;overflow:hidden;background:linear-gradient(150deg,#2a211a,#3b2a1c);display:grid;place-items:center;aspect-ratio:16/10;border:2px solid transparent;transition:border-color .2s}
.vtile.speaking{border-color:var(--amber)}
.vtile.screen{grid-column:1/-1;aspect-ratio:16/9;background:#000}
.vtile video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}
.vtile.screen video{object-fit:contain}
.vtile.has-video video{display:block}
.vtile.has-video .ph{display:none}
.vtile.local:not(.screen) video{transform:scaleX(-1)}
.ph{width:84px;height:84px;border-radius:50%;display:grid;place-items:center;font-family:"Reem Kufi";font-size:2rem;background:rgba(255,255,255,.1);border:2px solid rgba(255,255,255,.2)}
.label{position:absolute;bottom:8px;right:10px;font-size:.82rem;background:rgba(0,0,0,.55);padding:2px 10px;border-radius:6px;z-index:1}
.stage-msg{text-align:center;color:var(--amber-2)}
.vcontrols{display:flex;justify-content:center;gap:12px;padding:6px 0}
.vbtn{width:52px;height:52px;border-radius:50%;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;cursor:pointer;transition:background .15s}
.vbtn:hover{background:var(--line)}
.vbtn svg{width:22px;height:22px;stroke:var(--text);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.vbtn.off{background:#4a2620;border-color:#7a3a33}
.vbtn.off svg{stroke:#ffb4a5}
.vbtn.on{background:var(--teal);border-color:var(--teal)}
.vbtn.end{background:var(--coral);border-color:var(--coral)}
.stage.ended .vcontrols button:not(.end){display:none}

/* installer */
.install{max-width:620px}
.install fieldset{border:1px solid var(--line);border-radius:16px;padding:18px;display:grid;gap:14px}
.install legend{padding:0 8px;font-weight:600;color:var(--amber)}
.install .hint{font-size:.85rem;color:var(--muted)}

@media (max-width:860px){
  .split{grid-template-columns:1fr}
  .panel{position:static}
  .nav-links .who{display:none}
}
@media (max-width:480px){
  .wrap{padding:0 16px}
  .nav-links{gap:12px;font-size:.88rem}
  .cards{grid-template-columns:1fr}
  .auth-card{padding:26px 18px}
}