:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: #131e36;
  --bg-card-hover: #182645;
  --border-color: #1e293b;
  --border-color-light: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-cyan: #38bdf8;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Layout Container */
.admin-container {
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px;
  flex: 1;
}

/* Header */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  margin-bottom: 24px;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  font-size: 28px;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
}

.role-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-pill.owner {
  background: rgba(245, 158, 11, 0.2);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.role-pill.admin {
  background: rgba(56, 189, 248, 0.2);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.4);
}

.role-pill.read_only {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Tabs Navigation */
.tabs-nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  border-bottom: 2px solid transparent;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
}

.tab-btn.active {
  color: var(--accent-cyan);
  border-bottom-color: var(--accent-cyan);
}

/* Metric Cards Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 20px;
}

.metric-lbl {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.metric-val {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.metric-sub {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Cards & Sections */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.card-header-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Tables */
.table-container {
  width: 100%;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
}

.data-table th {
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

.code-pill {
  font-family: var(--font-mono);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-cyan);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.badge.success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge.danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.badge.warn {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge.info {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
}

.btn-primary {
  background: #0284c7;
  color: white;
}
.btn-primary:hover { background: #0369a1; }

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-color-light);
}
.btn-secondary:hover { background: #1e293b; }

.btn-danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.4);
}
.btn-danger:hover { background: rgba(244, 63, 94, 0.25); }

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* Forms */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color-light);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  font-family: inherit;
}

.form-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

/* Daily Cost Bar Chart */
.cost-chart {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 140px;
  padding: 16px 0 28px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 16px;
}

.chart-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  justify-content: flex-end;
}

.chart-bar {
  width: 100%;
  max-width: 28px;
  background: var(--accent-cyan);
  border-radius: 4px 4px 0 0;
  transition: height 0.3s ease;
  min-height: 4px;
}

.chart-lbl {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 6px;
  white-space: nowrap;
}

.chart-amount {
  font-size: 10px;
  color: var(--text-secondary);
  margin-bottom: 4px;
  font-weight: 600;
}

/* Footer */
.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 32px 0 20px;
  margin-top: auto;
}

.footer a {
  color: var(--text-secondary);
  text-decoration: none;
}
.footer a:hover {
  color: var(--accent-cyan);
  text-decoration: underline;
}