:root{--bg:#0d1320;--bg2:#121a29;--panel:#182235;--border:#24344d;--text:#e7eaf0;--muted:#9fb0c9;--green:#2ecc71;--green-2:#1ea660;--red:#f05454;--link:#3ddc84;--blue:#2b3648;--radius:14px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:Inter,-apple-system,system-ui,Segoe\ UI,Roboto,Ubuntu,Arial,sans-serif;background:var(--bg);color:var(--text)}.app{display:grid;grid-template-columns:280px 1fr;min-height:100vh}.sidebar{background:var(--bg2);border-right:1px solid var(--border);padding:18px 16px;display:flex;flex-direction:column}.brand{font-size:22px;font-weight:800;margin:12px 8px 20px}.menu a{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:10px;color:var(--text);text-decoration:none}.menu a.active,.menu a:hover{background:var(--panel);border:1px solid var(--border)}.menu small{color:var(--muted)}.footer{margin-top:auto;color:var(--muted);font-size:12px;padding:8px 10px}.main{padding:28px}.h1{font-size:28px;font-weight:800;margin:0 0 18px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin:12px 0}.grid{display:grid;gap:14px}.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}label{display:block;margin:10px 0 6px}input,textarea,select{width:100%;padding:12px;border-radius:12px;border:1px solid var(--border);background:var(--bg2);color:var(--text)}textarea{resize:vertical;min-height:110px}button,.btn{display:inline-block;background:var(--green);border:0;color:#0a0f18;padding:12px 18px;border-radius:12px;font-weight:700;text-decoration:none;cursor:pointer}button:hover,.btn:hover{background:var(--green-2)}.btn-ghost{background:var(--blue);color:var(--text)}.badge-red{background:#3b1e24;border:1px solid #6d2d34;color:#ff9b9b;padding:6px 10px;border-radius:999px;font-size:12px}.alert{background:#332024;border:1px solid #6b2c2c;color:#ffc7c7;border-radius:12px;padding:12px;margin:10px 0}.room-card{position:relative}.room-actions{position:absolute;top:10px;right:10px}.room-token{color:var(--muted);font-size:12px}.auth-wrap{max-width:420px;margin:60px auto}.center{text-align:center}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}