*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0f172a;--surface:#1e293b;--surface2:#263347;--border:#334155;
  --text:#f1f5f9;--text2:#cbd5e1;--text3:#94a3b8;
  --red:#e63946;--gold:#c9973a;--green:#22c55e;--blue:#3b82f6;--yellow:#f59e0b;
  --navy:#0a0f1e;--sidebar-w:220px;
}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',Arial,sans-serif;font-size:14px}
a{color:inherit;text-decoration:none}

/* Shell */
.shell{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{width:var(--sidebar-w);background:var(--navy);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;height:100vh;z-index:100}
.sidebar-logo{padding:24px 20px 8px;font-size:22px;font-weight:800;color:var(--text)}
.sidebar-logo span{color:var(--red)}
.company-name{padding:4px 20px 16px;font-size:11px;color:var(--text3);border-bottom:1px solid var(--border);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-nav{flex:1;padding:12px 0;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 20px;color:var(--text3);font-size:13px;font-weight:500;transition:all .15s;cursor:pointer}
.nav-item svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:2;flex-shrink:0}
.nav-item:hover{color:var(--text);background:var(--surface)}
.nav-item.active{color:var(--red);background:rgba(230,57,70,.08);border-right:2px solid var(--red)}
.sidebar-footer{padding:12px 0;border-top:1px solid var(--border)}
.logout{color:var(--text3)}
.logout:hover{color:var(--red)}

/* Main */
.main{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column}
.content{padding:28px;max-width:1200px}

/* Page header */
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.page-header h1{font-size:22px;font-weight:800;color:var(--text)}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px}
.stat-label{font-size:11px;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-weight:700}
.stat-value{font-size:24px;font-weight:800;color:var(--text);font-family:monospace}
.stat-value.red{color:var(--red)}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px;margin-bottom:20px}
.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.card-header h3{font-size:14px;font-weight:700}
.btn-link{color:var(--red);font-size:13px}

/* Table */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{padding:8px 12px;text-align:left;font-size:10px;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;border-bottom:1px solid var(--border);font-weight:700}
.table td{padding:12px;border-bottom:1px solid var(--border)}
.table tr:last-child td{border-bottom:none}
.table tr:hover td{background:var(--surface2)}
.mono{font-family:monospace}

/* Badges */
.badge{padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase}
.badge-green{background:rgba(34,197,94,.1);color:#4ade80}
.badge-blue{background:rgba(59,130,246,.1);color:#60a5fa}
.badge-gray{background:rgba(148,163,184,.1);color:#94a3b8}
.badge-red{background:rgba(239,68,68,.1);color:#f87171}
.badge-yellow{background:rgba(245,158,11,.1);color:#fbbf24}

/* Buttons */
.btn{display:inline-block;padding:9px 18px;border-radius:8px;font-size:13px;font-weight:700;border:none;cursor:pointer;text-decoration:none}
.btn-primary{background:var(--red);color:#fff}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text2)}
.btn-gold{background:var(--gold);color:var(--navy)}

/* Forms */
.form-group{margin-bottom:16px}
.form-label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text3);margin-bottom:6px}
.form-control{width:100%;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:var(--text);font-size:14px;outline:none}
.form-control:focus{border-color:var(--red)}

/* Empty state */
.empty-state{text-align:center;padding:40px;color:var(--text3);font-size:13px}
.empty-state a{color:var(--red)}

/* Alerts */
.alert{padding:12px 16px;border-radius:8px;font-size:13px;margin-bottom:16px}
.alert-success{background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);color:#4ade80}
.alert-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:#f87171}

@media(max-width:768px){
  .sidebar{width:60px}
  .sidebar-logo,.company-name,.nav-item span{display:none}
  .main{margin-left:60px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .content{padding:16px}
}