:root{--bg: #0f1419;--surface: #1a2332;--surface2: #243044;--border: #2d3f56;--text: #e8edf4;--muted: #8b9cb3;--primary: #3b82f6;--primary-hover: #2563eb;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--radius: 10px;font-family:Segoe UI,system-ui,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-height:100vh}a{color:var(--primary);text-decoration:none}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--surface);border-right:1px solid var(--border);padding:1.25rem;display:flex;flex-direction:column;gap:.25rem}.sidebar h1{font-size:1.1rem;margin-bottom:1rem;color:var(--primary)}.sidebar a{padding:.6rem .75rem;border-radius:var(--radius);color:var(--muted);display:block}.sidebar a:hover,.sidebar a.active{background:var(--surface2);color:var(--text)}.main{flex:1;padding:1.5rem 2rem;overflow:auto}.page-title{font-size:1.5rem;margin-bottom:1.25rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.grid{display:grid;gap:1rem}.grid-4{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}.stat-value{font-size:2rem;font-weight:700;color:var(--primary)}.stat-label{color:var(--muted);font-size:.85rem;margin-top:.25rem}table{width:100%;border-collapse:collapse}th,td{padding:.75rem;text-align:left;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase}input,select,textarea{width:100%;padding:.6rem .75rem;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);margin-bottom:.75rem}label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:.25rem}.btn{padding:.6rem 1.2rem;border:none;border-radius:var(--radius);cursor:pointer;font-weight:600;background:var(--primary);color:#fff}.btn:hover{background:var(--primary-hover)}.btn-secondary{background:var(--surface2);color:var(--text);border:1px solid var(--border)}.btn-sm{padding:.35rem .7rem;font-size:.8rem}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1rem}.auth-card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2rem}.auth-card h1{margin-bottom:1.5rem;text-align:center}.error{color:var(--danger);font-size:.85rem;margin-bottom:.75rem}.badge{display:inline-block;padding:.2rem .5rem;border-radius:6px;font-size:.75rem;background:var(--surface2)}.badge-success{background:#14532d;color:var(--success)}.badge-warning{background:#422006;color:var(--warning)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}@media(max-width:768px){.app-layout{flex-direction:column}.sidebar{width:100%;flex-direction:row;flex-wrap:wrap}.form-row{grid-template-columns:1fr}}