:root{
  --bg:#f6f8fc;--card:#ffffff;--text:#172033;--muted:#667085;--primary:#6d5dfc;
  --primary-2:#4f46e5;--danger:#ef4444;--success:#22c55e;--warning:#f59e0b;
  --info:#0ea5e9;--border:#e6e9f0;--shadow:0 10px 30px rgba(17,24,39,.07);
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}.layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(180deg,#101827,#151f35);color:#fff;padding:22px 16px;position:sticky;top:0;height:100vh;box-shadow:8px 0 28px rgba(15,23,42,.08)}
.brand{font-size:22px;font-weight:900;margin:2px 8px 26px}.brand small{display:block;font-size:10px;color:#b8c0ff;letter-spacing:.18em;margin-top:3px}
.nav a{display:flex;align-items:center;gap:10px;padding:12px 13px;border-radius:12px;color:#d3d8e3;margin:5px 0;font-weight:650}
.nav a:hover,.nav a.active{background:linear-gradient(90deg,#5b4df7,#7c3aed);color:#fff;box-shadow:0 8px 22px rgba(91,77,247,.25)}
.main{padding:26px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;gap:16px}.topbar h2{font-size:25px}
.header-actions{display:flex;align-items:center;gap:10px}.user-chip{background:#fff;border:1px solid var(--border);padding:9px 12px;border-radius:12px;box-shadow:var(--shadow)}
.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:19px;box-shadow:var(--shadow)}
.card h3{margin-top:0}.stat{position:relative;overflow:hidden}.stat:after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-25px;top:-28px;background:rgba(109,93,252,.08)}
.stat .label{font-size:12px;color:var(--muted);text-transform:uppercase;font-weight:800;letter-spacing:.04em}.stat .value{font-size:31px;font-weight:900;margin-top:7px}.stat .sub{font-size:12px;color:var(--muted);margin-top:6px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 14px;border-radius:11px;border:0;background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;font-weight:800;cursor:pointer;box-shadow:0 8px 18px rgba(79,70,229,.18)}
.btn:hover{transform:translateY(-1px)}.btn.secondary{background:#eef0ff;color:#4438ca;box-shadow:none}.btn.danger{background:linear-gradient(135deg,#ef4444,#dc2626)}.btn.success{background:linear-gradient(135deg,#22c55e,#16a34a)}.btn.warning{background:linear-gradient(135deg,#f59e0b,#d97706)}
.btn.small{padding:7px 10px;font-size:12px}.actions{display:flex;gap:8px;flex-wrap:wrap}
table{width:100%;border-collapse:separate;border-spacing:0}th,td{padding:13px 11px;border-bottom:1px solid var(--border);text-align:left;font-size:13px}th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:0}
.badge{display:inline-block;padding:5px 9px;border-radius:999px;font-size:11px;font-weight:800}.free{background:#dcfce7;color:#166534}.occupied{background:#fee2e2;color:#991b1b}.cleaning{background:#fef3c7;color:#92400e}.maintenance{background:#e5e7eb;color:#374151}.reserved{background:#dbeafe;color:#1d4ed8}
.room-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:15px}.room{border-radius:17px;padding:17px;border:1px solid var(--border);background:#fff;box-shadow:0 8px 22px rgba(17,24,39,.06)}.room h3{margin:0 0 7px;font-size:18px}.room .price{color:var(--muted);font-size:13px}.room .timer{font-size:22px;font-weight:900;margin:10px 0}.room.free-card{border-top:4px solid #22c55e}.room.occupied-card{border-top:4px solid #ef4444}.room.cleaning-card{border-top:4px solid #f59e0b}.room.maintenance-card{border-top:4px solid #6b7280}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.field label{display:block;font-size:12px;font-weight:800;margin-bottom:7px;color:#344054}.field input,.field select,.field textarea{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:11px;background:#fff;outline:none}.field input:focus,.field select:focus,.field textarea:focus{border-color:#8b7fff;box-shadow:0 0 0 3px rgba(109,93,252,.12)}.field.full{grid-column:1/-1}
.alert{padding:12px 14px;border-radius:11px;margin-bottom:14px}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.alert.info{background:#e0f2fe;color:#075985}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at top left,#3b2ca8,#111827 48%,#0f172a)}
.login-card{width:min(470px,100%);background:#fff;border-radius:24px;padding:30px;box-shadow:0 24px 70px rgba(0,0,0,.3)}.login-card h1{margin:0 0 6px}.muted{color:var(--muted)}
.empty{padding:46px 20px;text-align:center}.empty h3{font-size:22px;margin-bottom:7px}.empty p{color:var(--muted);max-width:560px;margin:0 auto 18px}
.money-split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.money-box{padding:14px;border-radius:14px;background:#f8fafc;border:1px solid var(--border)}.money-box strong{display:block;font-size:20px;margin-top:5px}
hr{border:0;border-top:1px solid var(--border);margin:18px 0}
@media(max-width:1100px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.grid-4,.grid-3,.grid-2,.form-grid,.money-split{grid-template-columns:1fr}.main{padding:16px}.topbar{align-items:flex-start;flex-direction:column}.room-grid{grid-template-columns:1fr}}