:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --border: #e2e5eb;
  --text: #1a1f29;
  --text-muted: #6b7280;
  --accent: #3454d1;
  --accent-hover: #2a44ac;
  --danger: #c53030;
  --danger-bg: #fdecec;
  --success: #1f8a4c;
  --success-bg: #e9f9ee;
  --warn: #9a6700;
  --warn-bg: #fff6e0;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1218;
    --surface: #171b23;
    --border: #262c38;
    --text: #edf0f5;
    --text-muted: #9aa3b2;
    --accent: #5c78e8;
    --accent-hover: #7a92ee;
    --danger: #f2a3a3;
    --danger-bg: #3a1f1f;
    --success: #7fd6a0;
    --success-bg: #143523;
    --warn: #e5c07b;
    --warn-bg: #3a2f10;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

#app { min-height: 100vh; }

.center-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.brand h1 {
  font-size: 18px;
  margin: 0;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
}

.field input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: var(--surface);
  color: var(--text);
  outline: none;
}

.field input:focus {
  border-color: var(--accent);
}

.row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.hint {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.btn-primary, .btn-secondary {
  width: 100%;
  padding: 11px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  margin-bottom: 8px;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-secondary:hover { background: var(--bg); }

.btn-small {
  width: auto;
  padding: 7px 12px;
  font-size: 13px;
}

.message {
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 6px;
  margin-bottom: 16px;
}

.message.error { color: var(--danger); background: var(--danger-bg); }
.message.success { color: var(--success); background: var(--success-bg); }

#settings-details {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
}

#settings-details summary {
  cursor: pointer;
  font-weight: 600;
}

#settings-details .field { margin-top: 12px; margin-bottom: 0; }

/* Dashboard */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-email {
  font-size: 13px;
  color: var(--text-muted);
  margin-right: 4px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.status-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.status-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.status-card-head h2 {
  font-size: 15px;
  margin: 0;
  word-break: break-all;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.status-pill::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.status-pill.up { color: var(--success); background: var(--success-bg); }
.status-pill.down { color: var(--danger); background: var(--danger-bg); }
.status-pill.checking { color: var(--warn); background: var(--warn-bg); }

.status-detail {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

.status-detail + .status-detail { margin-top: 6px; }

.footnote {
  max-width: 900px;
  margin: 0 auto 24px;
  padding: 0 24px;
  font-size: 12px;
  color: var(--text-muted);
}

/* Data Quality */

.dq-panel {
  max-width: 1000px;
  margin: 0 auto;
  padding: 24px;
}

.dq-toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.dq-status {
  font-size: 13px;
  color: var(--text-muted);
}

.dq-summary {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.dq-summary-stat {
  flex: 1;
  min-width: 120px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
}

.dq-summary-stat strong {
  display: block;
  font-size: 22px;
}

.dq-summary-stat span {
  font-size: 12px;
  color: var(--text-muted);
}

.dq-summary-stat.good strong { color: var(--success); }
.dq-summary-stat.bad strong { color: var(--danger); }
.dq-summary-stat.warn strong { color: var(--warn); }

.dq-category {
  margin-bottom: 24px;
}

.dq-category h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin: 0 0 10px;
}

.dq-rule-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
}

.dq-rule-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.dq-rule-head h4 {
  font-size: 14px;
  margin: 0;
  flex: 1;
}

.dq-rule-count {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}

.dq-rule-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin: 0 0 12px;
}

.dq-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  overflow-x: auto;
  display: block;
}

.dq-table th, .dq-table td {
  text-align: left;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.dq-table th {
  color: var(--text-muted);
  font-weight: 600;
}

.dq-load-more {
  margin-top: 10px;
}

.dq-clean {
  font-size: 14px;
  color: var(--success);
}

.dq-passed {
  font-size: 13px;
  color: var(--text-muted);
}

.dq-passed summary {
  cursor: pointer;
  font-weight: 600;
}

.dq-passed ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.dq-passed li {
  margin-bottom: 4px;
}