:root {
  --bg-dark: #0B0F19;
  --bg-card: #151D2F;
  --bg-input: #1C263D;
  --border: #2D3748;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --primary: #2563EB;
  --primary-hover: #1D4ED8;
  --success: #10B981;
  --danger: #EF4444;
  --warning: #F59E0B;
  --radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
}

/* SUPER ADMIN LOGIN FORM */
.login-container {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, #1E293B 0%, #0F172A 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 420px;
  padding: 36px 32px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 12px;
  color: var(--text-main);
}

.login-header p {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* App Layout */
.app-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 280px;
  background-color: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
}

.brand-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.brand-badge {
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  color: #fff;
  font-weight: 800;
  padding: 8px 12px;
  border-radius: var(--radius);
  letter-spacing: 1px;
}

.brand-info h2 {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.brand-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.nav-item:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.nav-item.active {
  background-color: var(--primary);
  color: #fff;
}

.system-status-widget {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.status-indicator.online {
  background-color: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.status-details {
  display: flex;
  flex-direction: column;
}

.status-title {
  font-size: 0.75rem;
  font-weight: 600;
}

.status-sub {
  font-size: 0.65rem;
  color: var(--text-muted);
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 32px 40px;
  overflow-y: auto;
}

.top-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.header-titles h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

.header-titles p {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-top: 4px;
}

/* Tab Panes */
.tab-pane {
  display: none;
}

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

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

.card-header {
  margin-bottom: 20px;
}

.card-header h3 {
  font-size: 1.125rem;
  font-weight: 600;
}

.card-header p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

.table-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.search-input {
  flex: 1;
  max-width: 400px;
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.875rem;
}

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

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-weight: 600;
}

.data-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.loading-cell {
  text-align: center;
  color: var(--text-muted);
  padding: 30px !important;
}

code {
  font-family: 'JetBrains Mono', monospace;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.8rem;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background-color: rgba(16, 185, 129, 0.15);
  color: var(--success);
}

.badge-danger {
  background-color: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary);
  color: #fff;
}

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

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 0.75rem;
}

.w-full {
  width: 100%;
}

.mt-4 {
  margin-top: 1.5rem;
}

.max-w-md {
  max-width: 480px;
}

/* Forms */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group input,
.form-group select {
  background-color: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 0.875rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.inline-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 16px;
  align-items: flex-end;
}

.form-actions-inline {
  margin-bottom: 16px;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}

.modal-overlay.hidden {
  display: none !important;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 580px;
  padding: 24px;
}

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

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* Result Box */
.result-box {
  margin-top: 16px;
  padding: 14px;
  border-radius: var(--radius);
  font-size: 0.85rem;
  line-height: 1.5;
}

.result-box.success {
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--success);
  color: #34D399;
}

.result-box.error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--danger);
  color: #F87171;
}

.hidden {
  display: none !important;
}