:root{
  --bg:#0F1623;--surface:#161E2E;--surface2:#1D2740;--border:#253050;
  --ocean:#1263B0;--ocean-light:#1A7FD4;--coral:#D94F2B;--gold:#C9A84C;
  --kelp:#1A7A3C;--text:#E8EDF5;--muted:#7A8FA8;--white:#fff;
  --red:#C0291F;--green:#1A7A3C;--yellow:#B8860B;--shadow:0 20px 45px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text)}
body{min-height:100vh}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.hidden{display:none !important}
.shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{background:var(--surface);border-right:1px solid var(--border);padding:22px 16px 18px;display:flex;flex-direction:column;gap:18px}
.brand{display:flex;align-items:center;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--ocean),#0A2540);display:grid;place-items:center;font-size:22px;box-shadow:var(--shadow)}
.brand-title{font-family:'Cormorant Garamond',serif;font-size:30px;font-weight:700;line-height:1}
.brand-title em{color:var(--gold);font-style:italic}
.brand-sub{font-size:12px;color:var(--muted);margin-top:4px}
.nav{display:flex;flex-direction:column;gap:8px}
.nav-group-title{font-size:11px;text-transform:uppercase;letter-spacing:1.6px;color:var(--muted);padding:0 12px;margin-top:8px}
.nav-item{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;color:var(--muted);border:1px solid transparent;transition:.15s}
.nav-item:hover,.nav-item.active{background:rgba(18,99,176,.12);color:var(--text);border-color:rgba(26,127,212,.25)}
.nav-icon{width:20px;text-align:center}
.sidebar-footer{margin-top:auto;border-top:1px solid var(--border);padding-top:16px;display:grid;gap:12px}
.tenant-card,.user-card{background:var(--surface2);border:1px solid var(--border);border-radius:14px;padding:14px}
.tenant-card h4,.user-card h4{margin:0 0 6px;font-size:13px}
.small{font-size:12px;color:var(--muted)}
.main{display:flex;flex-direction:column;min-width:0}
.topbar{height:72px;padding:0 28px;border-bottom:1px solid var(--border);background:rgba(15,22,35,.92);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:space-between;gap:16px;position:sticky;top:0;z-index:20}
.topbar h1{font-size:20px;margin:0 0 6px}
.topbar p{margin:0;color:var(--muted);font-size:13px}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.content{padding:24px;display:grid;gap:18px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:18px;box-shadow:var(--shadow)}
.stat h3{font-size:12px;color:var(--muted);margin:0 0 10px;text-transform:uppercase;letter-spacing:1.2px}
.stat .value{font-size:30px;font-weight:800;margin:0}
.stat .hint{font-size:12px;color:var(--muted);margin-top:8px}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:1.4fr .9fr}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.panel-head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-head h2{margin:0;font-size:15px}
.panel-body{padding:18px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.input,.select,.textarea{width:100%;background:var(--surface2);border:1px solid var(--border);color:var(--text);padding:11px 13px;border-radius:12px;outline:none}
.input:focus,.select:focus,.textarea:focus{border-color:var(--ocean-light)}
.textarea{min-height:94px;resize:vertical}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.field{display:grid;gap:7px}
.field label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.btn{border:none;border-radius:12px;padding:11px 15px;font-weight:700;display:inline-flex;align-items:center;gap:8px;transition:.15s}
.btn.primary{background:var(--ocean);color:#fff}
.btn.primary:hover{background:var(--ocean-light)}
.btn.secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}
.btn.secondary:hover{border-color:var(--ocean-light)}
.btn.danger{background:rgba(192,41,31,.12);color:#ffb3ab;border:1px solid rgba(192,41,31,.3)}
.btn.success{background:rgba(26,122,60,.12);color:#b5f0c4;border:1px solid rgba(26,122,60,.35)}
.btn.ghost{background:transparent;color:var(--muted);border:1px dashed var(--border)}
.btn.small{padding:8px 11px;border-radius:10px;font-size:12px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 10px;text-align:left;border-bottom:1px solid rgba(37,48,80,.65);vertical-align:top}
th{font-size:11px;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);background:rgba(29,39,64,.75);position:sticky;top:0}
tr:hover td{background:rgba(18,99,176,.04)}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:5px 10px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.8px}
.badge.blue{background:rgba(18,99,176,.16);color:#87c7ff}.badge.green{background:rgba(26,122,60,.16);color:#9ce0ad}.badge.red{background:rgba(192,41,31,.15);color:#ffb3ab}.badge.yellow{background:rgba(184,134,11,.16);color:#ffdf88}.badge.gray{background:rgba(122,143,168,.12);color:#b0bece}.badge.orange{background:rgba(217,79,43,.16);color:#ffc2b1}
.kv{display:grid;gap:8px}.kv .item{display:flex;justify-content:space-between;gap:18px;padding:10px 0;border-bottom:1px solid rgba(37,48,80,.55)}.kv .item:last-child{border-bottom:0}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}
.product-card,.order-card{background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:16px;display:grid;gap:12px;box-shadow:var(--shadow)}
.product-card .price{font-size:22px;font-weight:800}.muted{color:var(--muted)}
.notice{padding:13px 15px;border-radius:14px;border:1px solid rgba(26,127,212,.35);background:rgba(18,99,176,.12);color:#d9ecff}
.error{padding:13px 15px;border-radius:14px;border:1px solid rgba(192,41,31,.35);background:rgba(192,41,31,.14);color:#ffd3ce}
.success-box{padding:13px 15px;border-radius:14px;border:1px solid rgba(26,122,60,.35);background:rgba(26,122,60,.12);color:#d6ffdf}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,rgba(18,99,176,.28),transparent 25%),var(--bg)}
.login-card{width:min(980px,100%);display:grid;grid-template-columns:1.1fr .9fr;background:var(--surface);border:1px solid var(--border);border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.login-hero{padding:42px;background:linear-gradient(160deg,rgba(18,99,176,.34),rgba(10,37,64,.85));display:grid;align-content:space-between;gap:24px}
.login-hero h1{font-family:'Cormorant Garamond',serif;font-size:54px;line-height:.95;margin:0}.login-hero em{color:var(--gold)}
.login-hero p{margin:0;color:#d9e6f2;font-size:15px;max-width:460px}
.login-form{padding:34px;display:grid;gap:18px;align-content:center}
.login-form h2{margin:0;font-size:28px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap}.toolbar .input,.toolbar .select{max-width:260px}
.empty{padding:26px;text-align:center;color:var(--muted);border:1px dashed var(--border);border-radius:16px;background:rgba(29,39,64,.35)}
.footer-note{color:var(--muted);font-size:12px;text-align:center;padding:0 24px 20px}
@media (max-width: 1100px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.two,.shell,.login-card{grid-template-columns:1fr}.sidebar{position:sticky;top:0;z-index:30}.content{padding:18px}.topbar{padding:16px 18px;height:auto;align-items:flex-start;flex-direction:column}}
@media (max-width: 720px){.form-grid,.form-grid.three,.stats{grid-template-columns:1fr}.sidebar{padding:14px}.topbar{padding:14px}.content{padding:14px}}