:root {
  --bg: #f0f6fc;
  --card: #fff;
  --primary: #0284c7;
  --primary-dark: #0369a1;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --danger: #dc2626;
  --sidebar: #0c4a6e;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", "PingFang SC", sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }

.login-screen { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(145deg, #0369a1, #0ea5e9); }
.login-card { background: #fff; padding: 32px; border-radius: 16px; width: min(360px, 92vw); box-shadow: 0 20px 50px rgba(0,0,0,.15); }
.login-card h1 { margin: 0 0 4px; color: var(--primary-dark); }
.login-card input { width: 100%; padding: 12px; margin: 16px 0; border: 1px solid var(--border); border-radius: 8px; }
.login-card button { width: 100%; padding: 12px; border: 0; border-radius: 8px; background: var(--primary); color: #fff; font-size: 16px; cursor: pointer; }

.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--sidebar); color: #e0f2fe; padding: 20px 12px; display: flex; flex-direction: column; }
.brand { font-weight: 700; padding: 8px 12px 20px; font-size: 15px; }
.sidebar nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar nav button { text-align: left; border: 0; background: transparent; color: #bae6fd; padding: 10px 12px; border-radius: 8px; cursor: pointer; }
.sidebar nav button.active, .sidebar nav button:hover { background: rgba(255,255,255,.12); color: #fff; }
.logout { margin-top: auto; border: 1px solid rgba(255,255,255,.2); background: transparent; color: #fff; padding: 8px; border-radius: 8px; cursor: pointer; }

.main { padding: 24px 28px; }
.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.topbar h2 { margin: 0; }
.badge { background: #dbeafe; color: #1d4ed8; padding: 4px 10px; border-radius: 999px; font-size: 12px; }

.panel { display: none; }
.panel.active { display: block; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-bottom: 24px; }
.card { background: var(--card); border-radius: 12px; padding: 16px; border: 1px solid var(--border); }
.card .num { font-size: 28px; font-weight: 700; color: var(--primary); }
.card .label { color: var(--muted); font-size: 13px; margin-top: 4px; }
.card .sub { color: var(--muted); font-size: 11px; margin-top: 6px; opacity: 0.85; }
.cache-stats { margin-bottom: 12px; }
.log-actions { display: flex; gap: 8px; margin-bottom: 16px; }

.table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; border: 1px solid var(--border); }
.table th, .table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; vertical-align: top; }
.table th { background: #f8fafc; font-weight: 600; }
.map-table { margin-top: 12px; }

.toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar input, .toolbar select { flex: 1; min-width: 180px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; }
button { padding: 8px 14px; border: 0; border-radius: 8px; background: var(--primary); color: #fff; cursor: pointer; }
button.secondary { background: #e2e8f0; color: var(--text); }
button.danger { background: var(--danger); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 720px; background: var(--card); padding: 20px; border-radius: 12px; border: 1px solid var(--border); }
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; }
.form-grid label.full { grid-column: 1 / -1; }
.form-grid input { padding: 10px; border: 1px solid var(--border); border-radius: 8px; }
.actions { margin-top: 8px; }

textarea { width: 100%; max-width: 640px; padding: 12px; border: 1px solid var(--border); border-radius: 8px; font-family: inherit; line-height: 1.6; }

.code-block { background: #0f172a; color: #e2e8f0; padding: 16px; border-radius: 12px; overflow: auto; max-height: 480px; font-size: 12px; }
.muted { color: var(--muted); font-size: 13px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 12px; }
.hint.warn { color: #b45309; font-weight: 600; }
.diag-box { padding: 14px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px; line-height: 1.6; }
.diag-box.error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.diag-box.warn { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }
.diag-box.ok { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.field-status { font-size: 12px; margin-top: 4px; min-height: 18px; }
.field-status.ok { color: #166534; }
.field-status.muted { color: var(--muted); }

.modal { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: grid; place-items: center; z-index: 100; }
.modal-card { background: #fff; width: min(480px, 92vw); border-radius: 12px; padding: 20px; }
.modal-card form label { display: block; margin-bottom: 10px; font-size: 13px; }
.modal-card form input, .modal-card form select { width: 100%; padding: 8px; margin-top: 4px; border: 1px solid var(--border); border-radius: 6px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }

@media (max-width: 768px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; }
}