:root{
  --brand:#7a3b12;
  --brand-dark:#5c2b0d;
  --bg:#f6f3ef;
  --card:#ffffff;
  --border:#e4ddd3;
  --text:#2b241d;
  --muted:#8a7f70;
  --success:#2e7d32;
  --warning:#c77700;
  --danger:#c0392b;
}
*{box-sizing:border-box;}
body{margin:0;font-family:'Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--text);}
a{color:var(--brand);text-decoration:none;}
.app-shell{display:flex;min-height:100vh;}
.sidebar{width:220px;background:var(--brand-dark);color:#fff;display:flex;flex-direction:column;padding:20px 0;flex-shrink:0;}
.sidebar .brand{font-size:1.2rem;font-weight:700;padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:10px;display:flex;align-items:center;}
.sidebar .brand-logo{max-height:36px;max-width:170px;object-fit:contain;}
.sidebar nav{display:flex;flex-direction:column;flex:1;}
.sidebar nav a{color:#f1e6da;padding:12px 20px;border-left:3px solid transparent;}
.sidebar nav a:hover{background:rgba(255,255,255,.08);}
.sidebar nav a.active{background:rgba(255,255,255,.12);border-left-color:#fff;font-weight:600;}
.sidebar-footer{padding:15px 20px;border-top:1px solid rgba(255,255,255,.15);font-size:.85rem;}
.sidebar-footer .who{margin-bottom:8px;}
.logout-link{color:#f7c9b0;}
.content{flex:1;display:flex;flex-direction:column;min-width:0;}
.topbar{background:var(--card);padding:18px 30px;border-bottom:1px solid var(--border);}
.topbar h1{margin:0;font-size:1.4rem;}
.content-body{padding:25px 30px;}
.card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:20px;}
.grid{display:grid;gap:18px;}
.grid.cols-2{grid-template-columns:repeat(2,1fr);}
.grid.cols-3{grid-template-columns:repeat(3,1fr);}
.grid.cols-4{grid-template-columns:repeat(4,1fr);}
.stat{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:18px;}
.stat .label{color:var(--muted);font-size:.85rem;text-transform:uppercase;letter-spacing:.03em;}
.stat .value{font-size:1.7rem;font-weight:700;margin-top:6px;}
table{width:100%;border-collapse:collapse;background:var(--card);}
table th,table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:.92rem;}
table th{background:#f1ece4;font-weight:600;}
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.78rem;font-weight:600;}
.badge.available,.badge.free,.badge.active,.badge.served,.badge.received{background:#e3f3e3;color:var(--success);}
.badge.occupied,.badge.pending{background:#fdecd8;color:var(--warning);}
.badge.maintenance,.badge.cancelled{background:#fbe1de;color:var(--danger);}
.badge.cleaning,.badge.preparing{background:#e6ecfa;color:#2f52a3;}
.btn{display:inline-block;padding:9px 16px;border-radius:6px;border:none;background:var(--brand);color:#fff;cursor:pointer;font-size:.9rem;font-weight:600;}
.btn:hover{background:var(--brand-dark);}
.btn.secondary{background:#eee;color:var(--text);}
.btn.danger{background:var(--danger);}
.btn.small{padding:5px 10px;font-size:.8rem;}
form.inline{display:inline;}
input,select,textarea{padding:9px 11px;border:1px solid var(--border);border-radius:6px;font-size:.92rem;width:100%;font-family:inherit;}
label{display:block;margin-bottom:5px;font-weight:600;font-size:.88rem;}
.field{margin-bottom:14px;}
.form-row{display:flex;gap:14px;}
.form-row > .field{flex:1;}
.alert{padding:12px 16px;border-radius:6px;margin-bottom:18px;font-size:.92rem;}
.alert.success{background:#e3f3e3;color:var(--success);}
.alert.error{background:#fbe1de;color:var(--danger);}
.tabs{display:flex;gap:6px;margin-bottom:20px;border-bottom:1px solid var(--border);}
.tabs a{padding:10px 18px;border-bottom:3px solid transparent;color:var(--text);}
.tabs a.active{border-color:var(--brand);color:var(--brand);font-weight:600;}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand-dark),var(--brand));}
.login-box{background:#fff;padding:40px;border-radius:10px;width:100%;max-width:380px;box-shadow:0 10px 40px rgba(0,0,0,.2);}
.login-box h1{font-size:1.4rem;margin-top:0;text-align:center;color:var(--brand-dark);}
.login-logo{text-align:center;margin-bottom:10px;}
.login-logo img{max-height:80px;max-width:100%;object-fit:contain;}
.login-box .btn{width:100%;margin-top:10px;}
.text-muted{color:var(--muted);}
.text-right{text-align:right;}