:root{color-scheme:dark;--bg:#07101d;--panel:#101b2b;--line:#29384d;--text:#f3f6fb;--muted:#aab6c7;--accent:#70d6b1;--blue:#79a9ff}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(ellipse at top,#14243a 0,var(--bg) 52%);color:var(--text);font:16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.shell{width:min(920px,100% - 32px);margin:0 auto;padding:20px 0 44px}
.topbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:6px 0 18px;color:var(--muted);font-size:.76rem;letter-spacing:.12em}
a{color:var(--blue);text-decoration:none;font-weight:650;letter-spacing:normal;font-size:.95rem}
.hero{padding:42px 0 20px}.eyebrow{color:var(--accent);font-size:.78rem;font-weight:750;letter-spacing:.14em}.hero h1{font-size:clamp(2.3rem,8vw,4rem);line-height:1.05;margin:10px 0}.intro{max-width:660px;color:var(--muted);font-size:1.08rem}
.panel{background:color-mix(in srgb,var(--panel) 92%,transparent);border:1px solid var(--line);border-radius:20px;padding:24px;margin:16px 0;box-shadow:0 16px 48px #0002}
h2{font-size:1.25rem;margin:0 0 10px}.notice{color:#d5deeb;background:#0a1422;border-left:3px solid var(--accent);padding:12px 14px;border-radius:4px;font-size:.92rem}
label{display:block;font-weight:650;margin:18px 0 7px}textarea{width:100%;resize:vertical;color:var(--text);background:#08121f;border:1px solid #3b4b61;border-radius:12px;padding:13px;font:inherit;min-height:106px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
button{border:0;border-radius:11px;padding:12px 18px;background:var(--accent);color:#06251b;font:inherit;font-weight:750;cursor:pointer}
button.secondary{background:#1a2a41;color:var(--text);border:1px solid var(--line)}
button:disabled{opacity:.48;cursor:not-allowed}
#status{color:var(--muted);min-height:1.5em;margin-bottom:0}.section-heading{display:flex;align-items:center;justify-content:space-between}.section-heading h2{margin:0}.muted{color:var(--muted)}
.session{border:1px solid var(--line);border-radius:13px;padding:16px;margin-top:12px;background:#0b1523}
.session-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.session-title{font-weight:700}.badge{border:1px solid var(--line);border-radius:99px;padding:2px 9px;color:var(--accent);font-size:.78rem;text-transform:uppercase}
.participants{display:flex;gap:7px;flex-wrap:wrap;margin:12px 0}.participant{font-size:.8rem;background:#17243a;border-radius:99px;padding:3px 9px}
.turn{border-top:1px solid var(--line);padding:12px 0}.turn strong{color:var(--accent);text-transform:capitalize}.turn p{white-space:pre-wrap;margin:4px 0 0;color:#e0e6ef}.error{color:#ffb4a9}.brief{background:#091421;padding:12px;border-radius:10px;white-space:pre-wrap;overflow-wrap:anywhere}
footer{text-align:center;color:var(--muted);font-size:.8rem;padding:18px}
@media(max-width:600px){.shell{width:min(100% - 22px,920px)}.panel{padding:17px;border-radius:15px}.hero{padding-top:32px}.session-head{display:block}.badge{display:inline-block;margin-top:7px}}