:root{--bg:#0d1317;--surface:#131c21;--surface-2:#1b2830;--text:#e8eff2;--muted:#9cb1bd;--accent:#19c37d;--danger:#ef4f4f}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at 10% 10%,#1f2b34 0,var(--bg) 45%);color:var(--text);font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}a{color:inherit;text-decoration:none}.page{max-width:1100px;margin:0 auto;padding:1.5rem 1rem 2.5rem}.topbar{border-bottom:1px solid #223038;background:rgba(12,18,22,.8);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.topbar-inner{max-width:1100px;margin:0 auto;padding:.9rem 1rem;display:flex;align-items:center;justify-content:space-between;gap:.8rem}.brand{font-weight:800;letter-spacing:.02em}.nav{display:flex;gap:.8rem;flex-wrap:wrap;color:var(--muted)}.nav a:hover{color:var(--text)}.session-pill{border:1px solid #30424b;padding:.24rem .62rem;color:#cfe2eb;background:#10191f}.nav-btn,.session-pill{border-radius:999px;font-size:.88rem}.nav-btn{padding:.36rem .68rem}.card{background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid #25363f;border-radius:14px;padding:1rem}.grid{display:grid;grid-gap:1rem;gap:1rem}.grid.two{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.hero{display:grid;grid-gap:1rem;gap:1rem}h1,h2,h3{margin-top:0}.muted,label,li,p{color:var(--muted)}label{display:grid;grid-gap:.35rem;gap:.35rem;margin-bottom:.8rem}button,input,select,textarea{font:inherit}input,select,textarea{width:100%;border-radius:10px;border:1px solid #30454f;background:#0f171c;color:var(--text);padding:.65rem .75rem}textarea{min-height:100px;resize:vertical}button{border:0;border-radius:10px;background:var(--accent);color:#04150d;font-weight:700;padding:.62rem .9rem;cursor:pointer}button.alt{background:#2a3c46;color:var(--text)}button.danger{background:var(--danger);color:#fff}.notice{border:1px solid #35505c;border-radius:10px;padding:.75rem;background:#101c22;color:#cce3ee}.error{color:#ff9b9b}.success{color:#8ef0be}.stats{display:grid;grid-gap:.6rem;gap:.6rem;grid-template-columns:repeat(auto-fit,minmax(170px,1fr))}.stat{background:#101920;border:1px solid #24343d;border-radius:10px;padding:.75rem}.stat strong{display:block;font-size:1.15rem;color:#f3fbff}.admin-table{width:100%;border-collapse:collapse;font-size:.92rem}.admin-table td,.admin-table th{border-bottom:1px solid #25343d;padding:.52rem .42rem;text-align:left;vertical-align:top}.admin-table th{color:#cce0ea;font-weight:700}.admin-table tbody tr:hover{background:rgba(39,58,69,.28)}@media (max-width:700px){.nav{font-size:.93rem}.admin-table{display:block;overflow-x:auto;white-space:nowrap}}