/**
 * Walegaset Main Stylesheet
 *
 * This file contains all component styles, layouts, and utilities for the
 * Walegaset Django HTMX frontend. It builds upon the theme.css variables.
 *
 * Table of Contents:
 * 1. Base Styles & Reset
 * 2. Typography
 * 3. Layout & Container
 * 4. Navigation
 * 5. Forms & Inputs
 * 6. Buttons
 * 7. Cards
 * 8. Messages & Alerts
 * 9. Modals
 * 10. Tables
 * 11. Utility Classes
 * 12. HTMX Indicators
 * 13. Accessibility
 */

/* ============================================================================
 * 1. Base Styles & Reset
 * ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-foreground);
  background-color: var(--color-background);
  min-height: 100vh;
}

/* ============================================================================
 * 2. Typography
 * ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-md);
  color: var(--color-foreground);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.8;
}

a:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============================================================================
 * 3. Layout & Container
 * ========================================================================== */

.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 !important;
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

.main-content {
  min-height: calc(100vh - 64px); /* Subtract navigation height */
  padding: var(--spacing-xl) 0;
}

/* Skip to main content link for accessibility */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-primary-foreground);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}

/* ============================================================================
 * 4. Navigation
 * ========================================================================== */

.navigation {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--spacing-md);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover {
  opacity: 0.8;
}

.nav-logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  color: var(--color-muted-foreground);
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-foreground);
  background-color: var(--color-muted);
}

.nav-user-menu {
  position: relative;
}

.nav-user-button {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  background: transparent;
  color: var(--color-foreground);
  cursor: pointer;
  border-radius: var(--radius);
  transition: background-color var(--transition-fast);
}

.nav-user-button:hover {
  background-color: var(--color-muted);
}

/* Mobile Navigation */
.mobile-menu-button {
  display: none;
  background: none;
  border: none;
  color: var(--color-foreground);
  padding: var(--spacing-sm);
  cursor: pointer;
}

@media (max-width: 768px) {
  .mobile-menu-button {
    display: block;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md);
  }

  .nav-menu.open {
    display: flex;
  }
}

/* ============================================================================
 * 5. Forms & Inputs
 * ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-foreground);
  font-size: var(--font-size-sm);
}

.form-label.required::after {
  content: " *";
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-foreground);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-ring);
  box-shadow: 0 0 0 2px rgba(212, 212, 216, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-muted-foreground);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-help {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
}

.form-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--color-error);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
}

/* Checkbox and Radio */
.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--color-primary);
}

/* Checkbox Label (for standalone checkboxes) */
.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  margin-bottom: var(--spacing-sm);
}

.form-checkbox-label input[type="checkbox"] {
  width: 1.125rem;
  height: 1.125rem;
  margin-top: 0.125rem;
  accent-color: var(--color-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.checkbox-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

/* ============================================================================
 * 6. Buttons
 * ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-bg-muted);
  border-color: var(--color-border-hover);
}

/* Secondary Button */
.btn-secondary {
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--color-bg-muted);
  border-color: var(--color-border-hover);
}

/* Destructive Button */
.btn-destructive {
  border: 1px solid var(--color-destructive);
  background: var(--color-bg);
  color: var(--color-destructive);
}

.btn-destructive:hover:not(:disabled) {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--color-destructive);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-foreground);
  border: 1px solid transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-muted);
  border-color: var(--color-border);
}

/* Button Sizes */
.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
}

/* Full Width Button */
.btn-block {
  width: 100%;
}

/* ============================================================================
 * 7. Cards
 * ========================================================================== */

.card {
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.card-header {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.card-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-foreground);
  margin: 0;
}

.card-description {
  font-size: var(--font-size-sm);
  color: var(--color-muted-foreground);
  margin-top: var(--spacing-xs);
}

.card-content {
  margin-bottom: var(--spacing-lg);
}

.card-footer {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: var(--spacing-md);
}

/* ============================================================================
 * 8. Messages & Alerts
 * ========================================================================== */

.messages {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: var(--z-index-tooltip);
  max-width: 400px;
}

.message {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  animation: slideIn var(--transition-normal);
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.message-success {
  background-color: var(--color-success);
  color: white;
}

.message-error {
  background-color: var(--color-error);
  color: white;
}

.message-warning {
  background-color: var(--color-warning);
  color: white;
}

.message-info {
  background-color: var(--color-info);
  color: white;
}

.message-content {
  flex: 1;
}

.message-close {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  padding: 0;
  font-size: var(--font-size-lg);
  line-height: 1;
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.message-close:hover {
  opacity: 1;
}

/* ============================================================================
 * 9. Modals
 * ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-index-modal-backdrop);
  animation: fadeIn var(--transition-normal);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: var(--z-index-modal);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  animation: scaleIn var(--transition-normal);
}

@keyframes scaleIn {
  from {
    transform: translate(-50%, -50%) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
  }
}

/* ============================================================================
 * 10. Tables
 * ========================================================================== */

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

.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background-color: var(--color-muted);
}

.table th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--color-foreground);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table td {
  padding: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-foreground);
}

.table tbody tr:hover {
  background-color: var(--color-muted);
}

/* ============================================================================
 * 11. Utility Classes
 * ========================================================================== */

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Colors */
.text-muted { color: var(--color-muted-foreground); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-info { color: var(--color-info); }

/* Display */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flex Utilities */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Spacing */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ============================================================================
 * 12. HTMX Indicators
 * ========================================================================== */

.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator {
  display: inline-block;
}

.htmx-request.htmx-indicator {
  display: inline-block;
}

/* Loading Spinner */
.loading-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--color-muted);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================================================
 * 13. Accessibility
 * ========================================================================== */

/* Focus Visible */
*:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* =================================================================
   Dashboard Styles (Phase 2)
   ================================================================= */

/* Dashboard Container */
.dashboard-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Greeting Section */
.dashboard-greeting {
  margin-bottom: var(--spacing-2xl);
}

.greeting-text {
  font-size: 2rem;
  font-weight: 600;
  color: var(--color-foreground);
  margin: 0;
}

.user-name {
  color: var(--color-primary);
}

/* Statistics Grid */
.statistics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  transition: var(--transition-base);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-muted);
  color: var(--color-muted-foreground);
}

.stat-content {
  flex: 1;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-foreground);
  line-height: 1.2;
}

.stat-unit {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-muted-foreground);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin-top: var(--spacing-xs);
}

.stat-percentage {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
  margin-top: var(--spacing-xs);
}

/* Stat Card Variants */
.stat-success .stat-icon {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.stat-warning .stat-icon {
  background: rgba(251, 191, 36, 0.1);
  color: #fbbf24;
}

.stat-danger .stat-icon {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.stat-power .stat-icon {
  background: rgba(20, 184, 166, 0.1);
  color: var(--color-primary);
}

/* Dashboard Controls */
.dashboard-controls {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
}

.search-container {
  flex: 1;
  min-width: 300px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  color: var(--color-muted-foreground);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-sm) 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-input);
  color: var(--color-foreground);
  font-size: 0.9375rem;
}

.search-clear {
  position: absolute;
  right: var(--spacing-sm);
  background: none;
  border: none;
  color: var(--color-muted-foreground);
  cursor: pointer;
  padding: var(--spacing-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
}

.search-clear:hover {
  background: var(--color-muted);
  color: var(--color-foreground);
}

#search-loading {
  position: absolute;
  right: var(--spacing-md);
  width: 20px;
  height: 20px;
}

/* Auto-refresh Controls */
.auto-refresh-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.refresh-label {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  white-space: nowrap;
}

.refresh-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-input);
  color: var(--color-foreground);
  font-size: 0.875rem;
}

.last-updated {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  white-space: nowrap;
}

/* Sites Grid */
.sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

@media (max-width: 640px) {
  .sites-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1440px) {
  .sites-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Phase 10: Inactive Sites Section */
.inactive-sites-section {
  grid-column: 1 / -1;
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.inactive-sites-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: var(--transition-base);
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-foreground);
}

.inactive-sites-toggle:hover {
  background: var(--color-muted);
  border-color: var(--color-primary);
}

.inactive-toggle-icon {
  transition: transform 0.3s ease;
  color: var(--color-muted-foreground);
}

.inactive-toggle-text {
  flex: 1;
  text-align: left;
}

.inactive-sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

@media (max-width: 640px) {
  .inactive-sites-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1440px) {
  .inactive-sites-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Site Card */
.site-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.site-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.site-card-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.site-info {
  flex: 1;
}

.site-mac {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-foreground);
  margin: 0;
  font-family: 'Monaco', 'Courier New', monospace;
}

.site-name {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin: var(--spacing-xs) 0 0;
}

.site-status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-online {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.status-offline {
  background: rgba(107, 114, 128, 0.1);
  color: #6b7280;
}

.status-error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* Site Card Body */
.site-card-body {
  padding: var(--spacing-lg);
}

.site-section {
  margin-bottom: var(--spacing-lg);
}

.site-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-foreground);
  margin: 0 0 var(--spacing-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.site-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
}

.detail-label {
  color: var(--color-muted-foreground);
}

.detail-value {
  color: var(--color-foreground);
  font-weight: 500;
  font-family: 'Monaco', 'Courier New', monospace;
}

/* Serial Cards */
.serial-card {
  background: var(--color-muted);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.serial-card:last-child {
  margin-bottom: 0;
}

.serial-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.bank-count {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

.serial-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.bank-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 0.8125rem;
  flex-wrap: wrap;
}

.bank-label {
  color: var(--color-muted-foreground);
  min-width: 80px;
}

.bank-value {
  color: var(--color-foreground);
  font-family: 'Monaco', 'Courier New', monospace;
}

.fire-status {
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.fire-ok {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.fire-alert {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* KWh Cards */
.kwh-card {
  background: var(--color-muted);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.kwh-card:last-child {
  margin-bottom: 0;
}

.kwh-header {
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  font-family: 'Monaco', 'Courier New', monospace;
}

.kwh-details {
  display: flex;
  gap: var(--spacing-md);
}

.kwh-value {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.kwh-label {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

.kwh-number {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-foreground);
  font-family: 'Monaco', 'Courier New', monospace;
}

/* Fault Section */
.site-faults {
  border-left: 3px solid #ef4444;
  padding-left: var(--spacing-md);
}

.fault-summary {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: #ef4444;
  font-weight: 500;
}

.fault-description {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin: var(--spacing-sm) 0 0;
}

/* Site Meta */
.site-meta {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.last-update {
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

/* Site Card Footer */
.site-card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-muted);
}

.btn-view-details {
  width: 100%;
  justify-content: center;
}

/* Site Error State */
.site-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
  color: var(--color-muted-foreground);
}

.site-error svg {
  color: #ef4444;
  margin-bottom: var(--spacing-md);
}

.site-error p {
  margin: 0;
  font-weight: 500;
  color: var(--color-foreground);
}

.site-error small {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.75rem;
  color: var(--color-muted-foreground);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
}

.empty-icon {
  color: var(--color-muted-foreground);
  margin-bottom: var(--spacing-lg);
  opacity: 0.5;
}

.empty-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-foreground);
  margin: 0 0 var(--spacing-sm);
}

.empty-message {
  font-size: 1rem;
  color: var(--color-muted-foreground);
  margin: 0 0 var(--spacing-xs);
}

.empty-hint {
  font-size: 0.875rem;
  color: var(--color-muted-foreground);
  margin: 0;
}

/* Loading Skeleton */
.skeleton-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

.skeleton-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.skeleton-line {
  height: 16px;
  background: var(--color-muted);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

.skeleton-mac {
  width: 60%;
}

.skeleton-badge {
  width: 60px;
  height: 24px;
  background: var(--color-muted);
  border-radius: var(--radius-full);
}

.skeleton-short {
  width: 40%;
}

.skeleton-body {
  display: flex;
  flex-direction: column;
}

@keyframes skeleton-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.loading-spinner p {
  color: white;
  font-size: 1rem;
  margin: 0;
}

/* Spinner SVG */
.spinner {
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

.spinner-circle {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-dasharray: 60;
  stroke-dashoffset: 45;
  stroke-linecap: round;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .dashboard-container {
    padding: var(--spacing-md);
  }

  .greeting-text {
    font-size: 1.5rem;
  }

  .statistics-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
  }

  .dashboard-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .search-container {
    min-width: 100%;
  }

  .auto-refresh-container,
  .last-updated {
    width: 100%;
  }
}

/* ========================================
   Pagination Styles
   ======================================== */

.pagination-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-md) 0;
  border-top: 1px solid var(--color-border);
}

.pagination-info {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.pagination {
  display: flex;
  list-style: none;
  gap: var(--spacing-xs);
  margin: 0;
  padding: 0;
}

.pagination-item {
  display: inline-block;
}

.pagination-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background: white;
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  transition: var(--transition-base);
  cursor: pointer;
}

.pagination-link:hover:not([aria-disabled="true"]) {
  background: var(--color-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.pagination-item.active .pagination-link {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  cursor: default;
}

.pagination-item.disabled .pagination-link {
  background: var(--color-background);
  color: var(--color-text-muted);
  border-color: var(--color-border);
  cursor: not-allowed;
  opacity: 0.5;
}

.pagination-ellipsis {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  color: var(--color-text-secondary);
}

/* Mobile Pagination */
@media (max-width: 640px) {
  .pagination-container {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .pagination-info {
    order: 2;
  }

  .pagination {
    order: 1;
    flex-wrap: wrap;
    justify-content: center;
  }

  .pagination-link {
    min-width: 36px;
    height: 36px;
    padding: 0 var(--spacing-xs);
    font-size: 0.875rem;
  }
}

/* ========================================
   Site Detail Page Styles (Phase 3)
   ======================================== */

.site-detail-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Breadcrumb Navigation */
.breadcrumb {
  margin-bottom: var(--spacing-lg);
}

.breadcrumb ol {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

/* Site Overview Card */
.site-overview-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.overview-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.overview-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.site-mac-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
}

.overview-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.overview-detail {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.overview-detail .detail-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.overview-detail .detail-value {
  font-size: var(--font-size-base);
  color: var(--color-text);
  font-weight: 600;
}

/* Tab Interface */
.tab-container {
  margin-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-border);
}

.tab-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

.tab-button {
  padding: var(--spacing-md) var(--spacing-lg);
  border: none;
  background: none;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: var(--transition-base);
}

.tab-button:hover {
  color: var(--color-text);
  background: var(--color-hover);
}

.tab-button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

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

/* Time Range Selector */
.time-range-selector {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.selector-label {
  font-weight: 600;
  color: var(--color-text);
}

.time-buttons {
  display: flex;
  gap: var(--spacing-xs);
}

.time-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  background: white;
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: var(--transition-base);
}

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

.time-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* System Status Card */
.system-status-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.section-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0 0 var(--spacing-md) 0;
  color: var(--color-text);
}

.status-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.status-metric {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.metric-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(0, 191, 166, 0.1);
  color: var(--color-primary);
}

.metric-content {
  display: flex;
  flex-direction: column;
}

.metric-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-text);
}

.metric-unit {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-text-secondary);
}

.metric-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Charts Section */
.charts-section {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.section-placeholder {
  color: var(--color-text-secondary);
  font-style: italic;
  padding: var(--spacing-lg);
  text-align: center;
}

/* Charts Grid and Containers */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.chart-container {
  background-color: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.chart {
  min-height: 400px;
  width: 100%;
}

/* Responsive chart grid */
@media (max-width: 1024px) {
  .charts-grid {
    grid-template-columns: 1fr;
  }

  .chart {
    min-height: 350px;
  }
}

@media (max-width: 640px) {
  .charts-grid {
    gap: var(--spacing-md);
  }

  .chart-container {
    padding: var(--spacing-sm);
  }

  .chart {
    min-height: 300px;
  }
}

/* Per-Serial Breakdown */
.serials-section {
  margin-bottom: var(--spacing-lg);
}

.serial-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.serial-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  cursor: pointer;
}

.serial-header-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex: 1;
}

.serial-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
}

.bank-count-badge {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(0, 191, 166, 0.1);
  color: var(--color-primary);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.serial-toggle-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
  color: var(--color-text-secondary);
}

.serial-toggle-btn:hover {
  color: var(--color-text);
}

.serial-toggle-btn.expanded .toggle-icon {
  transform: rotate(180deg);
}

.toggle-icon {
  transition: transform var(--transition-base);
}

.serial-details {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

/* Banks Table */
.banks-table-container {
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.banks-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  background: white;
}

.banks-table thead {
  background: var(--color-hover);
  border-bottom: 2px solid var(--color-border);
}

.banks-table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.banks-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
}

.banks-table tbody tr:hover {
  background: var(--color-hover);
}

.bank-name-cell {
  font-weight: 600;
  color: var(--color-text);
}

/* Temperature Values */
.temperature-value {
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 600;
}

.temperature-value.temp-normal {
  color: #22c55e;
}

.temperature-value.temp-warning {
  color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}

.temperature-value.temp-critical {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

/* Fire Status Badge */
.fire-status-badge {
  padding: 2px 8px;
  border-radius: var(--border-radius);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.fire-status-badge.fire-ok {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.fire-status-badge.fire-alert {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

/* Status Indicator */
.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-indicator.status-online {
  background: #22c55e;
}

.status-indicator.status-offline {
  background: #ef4444;
}

/* Serial Summary Metrics */
.serial-summary-metrics {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--color-hover);
  border-radius: var(--border-radius);
}

.summary-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--color-text);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
}

.summary-metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.summary-value {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: 600;
}

/* Fault Section */
.fault-section {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.fault-summary-header {
  margin-bottom: var(--spacing-lg);
}

.fault-alert {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: rgba(239, 68, 68, 0.1);
  border-left: 4px solid #ef4444;
  border-radius: var(--border-radius);
  color: #dc2626;
  font-weight: 600;
}

.fault-alert svg {
  flex-shrink: 0;
}

/* Fault Cards */
.fault-cards-container {
  display: grid;
  gap: var(--spacing-md);
}

.fault-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  transition: var(--transition-base);
}

.fault-card-critical {
  border-left: 4px solid #ef4444;
  background: rgba(239, 68, 68, 0.02);
}

.fault-card-warning {
  border-left: 4px solid #f59e0b;
  background: rgba(245, 158, 11, 0.02);
}

.fault-card-info {
  border-left: 4px solid #3b82f6;
  background: rgba(59, 130, 246, 0.02);
}

.fault-card:hover {
  box-shadow: var(--shadow-md);
}

.fault-card-header {
  margin-bottom: var(--spacing-md);
}

.fault-card-title-section {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.fault-card-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
  flex: 1;
}

.fault-card-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.fault-card-meta svg {
  flex-shrink: 0;
}

.fault-card-body {
  margin-top: var(--spacing-md);
}

.fault-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.fault-detail {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-xs);
  background: var(--color-hover);
  border-radius: 4px;
}

.fault-detail-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.fault-detail-value {
  font-size: var(--font-size-sm);
  color: var(--color-text);
  font-weight: 600;
}

.fault-value-highlight {
  color: #ef4444;
  font-weight: 700;
}

.fault-description {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  background: var(--color-hover);
  border-radius: 4px;
  border-left: 3px solid var(--color-border);
}

.fault-description p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.no-faults {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.no-faults svg {
  color: #22c55e;
  margin-bottom: var(--spacing-md);
}

.no-faults p {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: #22c55e;
  margin: 0;
}

.no-faults small {
  color: var(--color-text-secondary);
  margin-top: var(--spacing-xs);
}

/* Table Tab Styles */
.table-tab-content {
  padding: var(--spacing-md);
}

.data-table-section {
  margin-bottom: var(--spacing-xl);
}

.table-section-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
}

.serial-table-section {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-md);
}

.serial-subtitle {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

.bank-table-section {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-md);
}

.bank-subtitle {
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-secondary);
}

.table-responsive {
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.telemetry-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
  background: white;
}

.telemetry-table thead {
  background: var(--color-hover);
  border-bottom: 2px solid var(--color-border);
}

.telemetry-table th {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
}

.telemetry-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
}

.telemetry-table tbody tr:hover {
  background: var(--color-hover);
}

.telemetry-table tbody tr.fault-row {
  font-weight: 500;
}

.telemetry-table tbody tr.fault-critical {
  background: rgba(239, 68, 68, 0.05);
}

.telemetry-table tbody tr.fault-warning {
  background: rgba(245, 158, 11, 0.05);
}

.fault-severity-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--border-radius);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.fault-severity-badge.severity-critical {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
}

.fault-severity-badge.severity-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
}

.fault-severity-badge.severity-info {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
}

.fault-severity-badge.severity-unknown {
  background: rgba(107, 114, 128, 0.1);
  color: #6b7280;
}

.no-data {
  padding: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* Text Color Utilities */
.text-danger {
  color: #ef4444 !important;
}

.text-warning {
  color: #f59e0b !important;
}

.text-success {
  color: #22c55e !important;
}

/* Responsive Design */
@media (max-width: 768px) {
  .site-mac-title {
    font-size: var(--font-size-xl);
  }

  .overview-header {
    flex-direction: column;
  }

  .time-buttons {
    flex-wrap: wrap;
  }

  .status-metrics {
    grid-template-columns: 1fr;
  }
}