/* --- Reset/Vars --- */
: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)}

/* --- Layout with sidebar --- */
.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}

/* --- Cards, inputs --- */
.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}

/* --- Rooms cards --- */
.room-card{position:relative}
.room-actions{position:absolute;top:10px;right:10px}
.room-token{color:var(--muted);font-size:12px}

/* --- Auth pages --- */
.auth-wrap{max-width:420px;margin:60px auto}
.center{text-align:center}
a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}