* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, Segoe UI, Roboto, sans-serif; background: #f4f5f7; color: #1a1a1a; }
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: #1c2333; color: #cfd6e4; padding: 20px 0; flex-shrink: 0; }
.sidebar-brand { font-weight: 700; font-size: 20px; color: #fff; padding: 0 20px 16px; }
.sidebar-section { text-transform: uppercase; font-size: 11px; letter-spacing: 0.05em; color: #7d8aa8; padding: 16px 20px 6px; }
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li { padding: 0; }
.sidebar a, .sidebar li { display: block; padding: 8px 20px; color: #cfd6e4; text-decoration: none; font-size: 14px; }
.sidebar a:hover, .sidebar a.active { background: #2a3350; color: #fff; }
.link-button { background: none; border: none; color: #cfd6e4; cursor: pointer; padding: 0; font-size: 14px; }
.content { flex: 1; padding: 32px 40px; max-width: 1100px; }
h1 { margin-top: 0; }
.cards { display: flex; gap: 16px; flex-wrap: wrap; margin: 16px 0 28px; }
.card { background: #fff; border-radius: 8px; padding: 16px 20px; box-shadow: 0 1px 3px rgba(0,0,0,.08); min-width: 140px; }
.card-number { display: block; font-size: 28px; font-weight: 700; }
.card-label { display: block; font-size: 13px; color: #666; }
.data-table { width: 100%; border-collapse: collapse; background: #fff; margin-bottom: 24px; }
.data-table th, .data-table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid #e5e7eb; font-size: 14px; }
.data-table th { background: #f0f1f4; font-weight: 600; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; background: #e5e7eb; font-size: 12px; }
.badge-ok { background: #d1fae5; color: #065f46; }
.badge-fail { background: #fee2e2; color: #991b1b; }
.panel-form { display: flex; flex-direction: column; gap: 10px; max-width: 480px; background: #fff; padding: 16px; border-radius: 8px; margin-bottom: 20px; }
.panel-form label { display: flex; flex-direction: column; font-size: 13px; gap: 4px; }
.panel-form input, .panel-form select, .panel-form textarea { padding: 8px; border: 1px solid #d1d5db; border-radius: 4px; font-size: 14px; }
.panel-form button, form > button { align-self: flex-start; padding: 8px 16px; background: #2a3350; color: #fff; border: none; border-radius: 4px; cursor: pointer; font-size: 14px; margin-top: 6px; }
.flash { padding: 10px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.flash-success { background: #d1fae5; color: #065f46; }
.flash-error { background: #fee2e2; color: #991b1b; }
.filter-bar { margin-bottom: 16px; }
.filter-bar a { margin-right: 12px; text-decoration: none; color: #555; font-size: 14px; }
.filter-bar a.active { font-weight: 700; color: #1c2333; }
.advanced-panel { background: #fff; border-radius: 8px; padding: 12px 16px; margin: 16px 0; }
.advanced-panel summary { cursor: pointer; font-weight: 600; }
.muted { color: #666; font-size: 14px; }
.diagnostic-good { color: #065f46; }
.diagnostic-bad { color: #991b1b; }
.login-body { display: flex; align-items: center; justify-content: center; height: 100vh; background: #1c2333; }
.login-form { background: #fff; padding: 32px; border-radius: 8px; display: flex; flex-direction: column; gap: 12px; width: 320px; }
.login-form label { display: flex; flex-direction: column; font-size: 13px; gap: 4px; }
.login-form input { padding: 8px; border: 1px solid #d1d5db; border-radius: 4px; }
.login-form button { padding: 10px; background: #2a3350; color: #fff; border: none; border-radius: 4px; cursor: pointer; }