body{margin:0;font-family:Inter,Arial,sans-serif;background:#0f172a;color:#e5e7eb}
*{box-sizing:border-box}
a{text-decoration:none}
.guest-body{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:32px}
.guest-container{width:min(1200px,100%)}
.app-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:#111827;border-right:1px solid #1f2937;padding:24px}
.brand{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.brand span{color:#94a3b8;font-size:14px}
.nav{display:flex;flex-direction:column;gap:8px}
.nav-link{display:block;padding:10px 12px;border-radius:10px;background:#1f2937;color:#e5e7eb}
.nav-link-disabled{opacity:.6}
.content-area{display:flex;flex-direction:column}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #1f2937;background:#0b1220}
.topbar-actions{display:flex;align-items:center;gap:14px}
.page-content{padding:24px}
.page-title{margin:0}
.card{background:#111827;border:1px solid #1f2937;border-radius:16px;padding:24px}
.card-wide{width:100%}
.card-nested{padding:20px}
.card-header{margin-bottom:20px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.stack{display:flex;flex-direction:column;gap:16px}
label{display:flex;flex-direction:column;gap:8px;font-size:14px}
input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid #334155;background:#020617;color:#e5e7eb}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:10px;border:none;background:#2563eb;color:#fff;cursor:pointer}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-light{background:#e5e7eb;color:#111827}
.alert{padding:14px 16px;border-radius:12px;margin-bottom:16px}
.alert-success{background:#052e16;color:#bbf7d0;border:1px solid #166534}
.alert-danger{background:#450a0a;color:#fecaca;border:1px solid #991b1b}
.badge{padding:4px 10px;border-radius:999px;font-size:12px}
.badge-success{background:#14532d;color:#bbf7d0}
.badge-danger{background:#7f1d1d;color:#fecaca}
.table{width:100%;border-collapse:collapse}
.table td{padding:10px;border-bottom:1px solid #1f2937}
.list{margin:0;padding-left:20px}
.form-actions{display:flex;justify-content:flex-end}
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-bottom:20px}
.stat-card{background:#111827;border:1px solid #1f2937;border-radius:16px;padding:20px}
.stat-label{display:block;color:#94a3b8;margin-bottom:6px}
@media(max-width:900px){.grid-2,.stats-grid,.app-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid #1f2937}}