:root{--bg: #0f172a;--surface: #1e293b;--surface-2: #273449;--border: #334155;--text: #e2e8f0;--muted: #94a3b8;--primary: #3b82f6;--primary-hover: #2563eb;--green: #22c55e;--red: #ef4444;--amber: #f59e0b;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.app{display:flex;min-height:100vh}.sidebar{width:230px;background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh}.brand{font-weight:700;font-size:18px;margin:4px 8px 18px}.brand span{color:var(--primary)}.nav-link{padding:10px 12px;border-radius:8px;color:var(--muted);display:flex;align-items:center;gap:8px}.nav-link:hover{background:var(--surface-2);text-decoration:none;color:var(--text)}.nav-link.active{background:var(--primary);color:#fff}.sidebar-footer{margin-top:auto;font-size:12px;color:var(--muted)}.content{flex:1;padding:28px 32px;max-width:1100px}.row{display:flex;gap:12px;align-items:center}.between{justify-content:space-between}.wrap{flex-wrap:wrap}.grid{display:grid;gap:16px}.cols-2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}h1{font-size:24px;margin:0 0 4px}h2{font-size:18px;margin:0 0 12px}.muted{color:var(--muted)}.small{font-size:13px}.mt{margin-top:16px}.mb{margin-bottom:16px}.spacer{flex:1}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px}.card.clickable:hover{border-color:var(--primary);cursor:pointer}button,.btn{background:var(--primary);color:#fff;border:none;padding:9px 14px;border-radius:8px;font-size:14px;cursor:pointer;font-weight:500}button:hover{background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{background:var(--surface-2)}.btn-danger{background:var(--red)}.btn-danger:hover{background:#dc2626}.btn-sm{padding:5px 10px;font-size:13px}input,select,textarea{background:var(--surface-2);border:1px solid var(--border);color:var(--text);padding:9px 11px;border-radius:8px;font-size:14px;width:100%}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px}.field{margin-bottom:4px}.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-green{background:#22c55e2e;color:#4ade80}.badge-red{background:#ef44442e;color:#f87171}.badge-amber{background:#f59e0b2e;color:#fbbf24}.badge-gray{background:var(--surface-2);color:var(--muted)}.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;background:var(--surface-2);font-size:12px;margin:0 6px 6px 0;border:1px solid var(--border)}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}.code-pill{font-family:SF Mono,Menlo,monospace;font-size:28px;letter-spacing:.25em;font-weight:700;background:var(--surface-2);padding:14px 22px;border-radius:10px;border:1px dashed var(--primary);display:inline-block;color:#fff}.login-wrap{min-height:100vh;display:grid;place-items:center}.login-card{width:360px}.error{color:#f87171;font-size:13px;margin-top:8px}.success{color:#4ade80;font-size:13px;margin-top:8px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:grid;place-items:center;z-index:50}.modal{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px;width:480px;max-height:88vh;overflow:auto}.sim-display{border-radius:16px;overflow:hidden;border:1px solid var(--border);aspect-ratio:16/10;display:flex;flex-direction:column;color:#fff;padding:22px}.sim-available{background:linear-gradient(160deg,#14532d,#166534)}.sim-busy{background:linear-gradient(160deg,#7f1d1d,#991b1b)}.sim-reserved{background:linear-gradient(160deg,#78350f,#92400e)}.sim-room{font-size:26px;font-weight:700}.sim-status{font-size:40px;font-weight:800;margin:6px 0}.sim-meeting{margin-top:auto}.sim-meeting .t{font-size:22px;font-weight:700}.sim-meeting .m{opacity:.85}.managing-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#f59e0b1f;border:1px solid var(--amber);color:#fbbf24;padding:10px 16px;border-radius:8px;margin-bottom:18px;font-size:14px;font-weight:500}.lang-switch{display:flex;gap:6px;margin-bottom:10px}.lang-switch button{flex:1;background:var(--surface-2);border:1px solid var(--border);color:var(--muted);padding:6px 8px;font-size:13px}.lang-switch button.active{background:var(--primary);color:#fff;border-color:var(--primary)}.segmented{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.segmented button{background:var(--surface-2);color:var(--muted);border:none;border-radius:0;padding:7px 14px;font-size:13px}.segmented button.active{background:var(--primary);color:#fff}[dir=rtl] .sidebar{border-right:none;border-left:1px solid var(--border)}[dir=rtl] th,[dir=rtl] td{text-align:right}[dir=rtl] .nav-link{flex-direction:row-reverse;text-align:right}[dir=rtl] .code-pill{direction:ltr}[dir=rtl] input,[dir=rtl] select,[dir=rtl] textarea{text-align:right}[dir=rtl] input[type=color]{text-align:initial}