*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,sans-serif;background:#f5f7fb;color:#17202a}
a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}.layout{display:flex;min-height:100vh}.sidebar{width:260px;background:#121826;color:#fff;padding:20px;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}.brand-badge{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#b91c1c,#111827);display:grid;place-items:center;font-weight:700}
.brand h1{font-size:18px;margin:0}.brand p{margin:0;font-size:12px;color:#a5b4cc}.nav{display:flex;flex-direction:column;gap:8px}.nav a{padding:12px 14px;border-radius:12px;color:#dbe5f0}
.nav a:hover,.nav a.active{background:#1f2937;color:#fff}.content{flex:1;padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px}
.topbar h2{margin:0;font-size:28px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 16px;border-radius:12px;border:0;background:#111827;color:#fff;cursor:pointer;font-weight:600}
.btn.red{background:#b91c1c}.btn.gray{background:#334155}.btn.light{background:#fff;color:#111827;border:1px solid #d7dee8}.btn.sm{padding:8px 12px;font-size:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.card{background:#fff;border:1px solid #e5e9f0;border-radius:18px;padding:20px;box-shadow:0 10px 24px rgba(15,23,42,.05)}
.card h3{margin:0 0 8px;font-size:18px}.metric{font-size:34px;font-weight:800}.muted{color:#64748b}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form-card{background:#fff;border:1px solid #e5e9f0;border-radius:18px;padding:22px;box-shadow:0 10px 24px rgba(15,23,42,.05)}.field{margin-bottom:14px}.field label{display:block;margin-bottom:7px;font-size:14px;font-weight:700}
input[type=text],input[type=email],input[type=password],input[type=url],input[type=number],textarea,select{width:100%;padding:12px 14px;border:1px solid #d6dde8;border-radius:12px;background:#fff}
textarea{min-height:110px;resize:vertical}.notice{padding:14px 16px;border-radius:14px;margin-bottom:16px}.notice.success{background:#ecfdf5;color:#166534;border:1px solid #bbf7d0}.notice.error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.table-wrap{overflow:auto;background:#fff;border:1px solid #e5e9f0;border-radius:18px;box-shadow:0 10px 24px rgba(15,23,42,.05)}table{width:100%;border-collapse:collapse}th,td{padding:14px;border-bottom:1px solid #eef2f7;text-align:left;vertical-align:top}th{font-size:13px;color:#475569;background:#f8fafc}
.thumb{width:88px;height:88px;object-fit:cover;border-radius:12px;border:1px solid #e2e8f0;background:#f8fafc}.pair{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(135deg,#111827,#7f1d1d)}
.login-card{width:100%;max-width:440px;background:#fff;border-radius:24px;padding:28px;box-shadow:0 16px 50px rgba(0,0,0,.25)}.login-card h1{margin:0 0 8px}.login-card p{margin:0 0 18px;color:#64748b}
.kicker{display:inline-block;padding:6px 10px;border-radius:999px;background:#fee2e2;color:#991b1b;font-size:12px;font-weight:700;margin-bottom:12px}.stat-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-top:18px}.stat{padding:16px;border-radius:16px;background:#f8fafc;border:1px solid #e9eef5}
small.helper{display:block;color:#64748b;margin-top:6px}.actions{display:flex;gap:8px;flex-wrap:wrap}.preview{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:10px}
@media (max-width:980px){.layout{display:block}.sidebar{width:100%;height:auto;position:relative}.content{padding:18px}.grid-2{grid-template-columns:1fr}.topbar{flex-direction:column;align-items:flex-start}}