:root {
  --bg-page: #0f172a;
  --bg-surface: #1e293b;
  --bg-elevated: #273549;
  --border-color: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #38bdf8;
  --accent-strong: #0284c7;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.mono-text {
  font-family: var(--font-mono);
}

.hidden {
  display: none !important;
}

/* ==================== Login Page ==================== */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: radial-gradient(circle at top, #1e293b 0%, #0f172a 70%);
}

.login-container {
  width: 100%;
  max-width: 440px;
}

.login-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

.login-header h1 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

.login-action-box {
  margin: 24px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.btn-google {
  width: 100%;
  background: #ffffff;
  color: #0f172a;
  padding: 12px 18px;
  font-size: 15px;
}

.btn-google:hover {
  background: #f1f5f9;
}

.btn-disabled {
  opacity: 0.5;
  pointer-events: none;
}

.btn-primary {
  background: var(--accent-strong);
  color: #ffffff;
}

.btn-primary:hover {
  background: #0369a1;
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--accent);
}

.login-footer-info {
  border-top: 1px solid var(--border-color);
  padding-top: 18px;
  font-size: 12px;
  color: var(--text-secondary);
}

.allowed-accounts-title {
  font-weight: 600;
  margin-bottom: 6px;
}

.allowed-accounts-list {
  list-style: none;
  margin-bottom: 10px;
}

.allowed-accounts-list li {
  margin-bottom: 3px;
}

.allowed-accounts-list code {
  font-family: var(--font-mono);
  color: var(--accent);
}

/* ==================== Alerts ==================== */
.alert {
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 18px;
  font-size: 13px;
  border: 1px solid transparent;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fecaca;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fde68a;
}

/* ==================== Admin Dashboard Layout ==================== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sidebar-brand {
  padding: 22px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.brand-title {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
}

.brand-sub {
  font-size: 12px;
  color: var(--text-secondary);
}

.sidebar-nav {
  padding: 18px 12px;
  flex: 1;
}

.nav-section-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  padding: 0 10px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(56, 189, 248, 0.14);
  color: var(--accent);
}

.sidebar-footer {
  padding: 14px 16px;
  border-top: 1px solid var(--border-color);
}

.db-endpoint-tag {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  flex-shrink: 0;
}

.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
}

.page-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.user-Chip {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  padding: 6px 12px;
  border-radius: 999px;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
}

.user-meta {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.user-name {
  font-size: 12px;
  font-weight: 600;
}

.user-email {
  font-size: 11px;
  color: var(--text-secondary);
}

.btn-logout {
  font-size: 12px;
  color: #fca5a5;
  text-decoration: none;
  margin-left: 6px;
  padding-left: 8px;
  border-left: 1px solid var(--border-color);
}

.content-area {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ==================== KPI Cards ==================== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 18px 20px;
}

.kpi-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-mono);
  margin-bottom: 4px;
}

.kpi-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.text-accent {
  color: var(--accent);
}

.text-danger {
  color: var(--danger);
}

.kpi-divider {
  color: var(--text-muted);
  margin: 0 4px;
}

/* ==================== Panels ==================== */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 20px 22px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}

.panel-title {
  font-size: 16px;
  font-weight: 700;
}

.panel-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ==================== Daily Chart ==================== */
.chart-legend {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.swatch-total {
  background: #38bdf8;
}

.swatch-unique {
  background: #22c55e;
}

.chart-container {
  min-height: 210px;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 18px 8px 6px;
  overflow-x: auto;
  border-top: 1px solid rgba(51, 65, 85, 0.5);
}

.chart-bar-group {
  flex: 1;
  min-width: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.chart-bars {
  height: 150px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 4px;
}

.bar-col {
  width: 14px;
  border-radius: 4px 4px 0 0;
  transition: height 0.2s ease;
  position: relative;
}

.bar-total {
  background: linear-gradient(180deg, #38bdf8 0%, #0284c7 100%);
}

.bar-unique {
  background: linear-gradient(180deg, #4ade80 0%, #16a34a 100%);
}

.chart-counts {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.chart-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

/* ==================== Filters & Table ==================== */
.quick-range-group {
  display: flex;
  gap: 6px;
}

.btn-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
}

.btn-chip.active,
.btn-chip:hover {
  background: rgba(56, 189, 248, 0.16);
  border-color: var(--accent);
  color: var(--accent);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  padding: 14px;
  background: rgba(15, 23, 42, 0.55);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 16px;
}

.filter-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.filter-field label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.filter-field select,
.filter-field input {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 6px;
}

.filter-search {
  flex: 1;
  min-width: 200px;
}

.table-responsive {
  overflow-x: auto;
}

.logs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.logs-table th,
.logs-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.logs-table th {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: rgba(15, 23, 42, 0.4);
}

.logs-table tbody tr {
  cursor: pointer;
  transition: background 0.12s ease;
}

.logs-table tbody tr:hover {
  background: rgba(56, 189, 248, 0.08);
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
}

.badge-pageview {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
}

.badge-action {
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80;
}

.badge-error {
  background: rgba(239, 68, 68, 0.18);
  color: #f87171;
}

.status-ok {
  color: var(--success);
  font-family: var(--font-mono);
}

.status-err {
  color: var(--danger);
  font-family: var(--font-mono);
  font-weight: 600;
}

.meta-sub {
  font-size: 11px;
  color: var(--text-muted);
  max-width: 340px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty-cell,
.empty-state {
  text-align: center;
  padding: 32px;
  color: var(--text-muted);
  width: 100%;
}

/* ==================== Modal ==================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 14px;
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.55);
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 16px;
  font-weight: 700;
}

.modal-subtitle {
  font-size: 12px;
  color: var(--text-secondary);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 24px;
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.detail-item {
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
}

.detail-item-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 2px;
}

.detail-item-value {
  font-family: var(--font-mono);
  font-size: 13px;
  word-break: break-all;
}

.json-block-header {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.json-pre {
  background: #0b1120;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #e2e8f0;
  overflow-x: auto;
}