:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(31, 41, 55, 0.95);
  --border-color: rgba(255, 255, 255, 0.1);
  --border-active: rgba(99, 102, 241, 0.6);
  
  --primary: #6366f1;
  --primary-glow: rgba(99, 102, 241, 0.3);
  --primary-hover: #4f46e5;
  --accent: #06b6d4;
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.2);
  --warning: #f59e0b;
  --danger: #ef4444;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-primary);
  background-image: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
  color: var(--text-main);
  min-height: 100vh;
  display: block;
  overflow-x: hidden;
}

/* Top Navigation Bar */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 32px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.brand-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.4px;
  color: #fff;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

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

.tenant-selector-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.03);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.tenant-selector-wrap label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tenant-dropdown {
  background: #1f2937;
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

.tenant-dropdown:focus {
  border-color: var(--primary);
}

/* Dashboard Container */
.dashboard-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 28px 32px;
}

/* Tab Navigation */
.nav-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  white-space: nowrap;
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 14px var(--primary-glow);
  font-weight: 700;
}

.tab-content {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.kpi-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.kpi-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.kpi-label {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.kpi-icon {
  font-size: 20px;
}

.kpi-value {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
  margin-bottom: 8px;
}

.kpi-value.success { color: var(--success); }
.kpi-value.warning { color: var(--warning); }
.kpi-value.danger { color: var(--danger); }

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

/* Sections */
.dashboard-section {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 32px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: #fff;
}

/* Search and Filters */
.filter-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-input {
  flex-grow: 1;
  background: #1f2937;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 11px 16px;
  color: #fff;
  font-size: 13px;
  outline: none;
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.filter-select {
  background: #1f2937;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 11px 16px;
  color: #fff;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* Table */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background: rgba(31, 41, 55, 0.7);
  padding: 14px 16px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

td {
  padding: 14px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  outline: none;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
  background: #1f2937;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: #374151;
}

.btn-sm {
  padding: 7px 14px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-active {
  background: rgba(16, 185, 129, 0.2);
  color: #10b981;
}

.badge-expired {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

/* Preset & Action Buttons */
.preset-btn {
  background: #1f2937;
  border: 1px solid var(--border-color);
  color: #f3f4f6;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  margin-right: 8px;
  margin-bottom: 8px;
  transition: all 0.2s;
}

.preset-btn:hover {
  background: #374151;
  border-color: var(--primary);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-card {
  background: #111827;
  border: 1px solid var(--border-color);
  border-radius: 18px;
  max-width: 520px;
  width: 90%;
  padding: 28px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

/* Cron Quick Actions Panel */
.cron-actions-box {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 14px;
}

.cron-btn-card {
  background: #1f2937;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cron-btn-card:hover {
  border-color: var(--primary);
  background: #252f3f;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

.cron-btn-card h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
}

.cron-btn-card p {
  font-size: 12px;
  color: var(--text-muted);
}