/* ==========================================================================
   LocalWhisper Admin Styles
   ========================================================================== */

/* CSS Variables */
:root {
  /* Colors */
  --color-bg: #0f1117;
  --color-bg-secondary: #1a1d27;
  --color-bg-tertiary: #252832;
  --color-bg-card: #1e2028;
  --color-border: #2d3040;
  --color-text: #e4e4e7;
  --color-text-secondary: #a1a1aa;
  --color-text-muted: #71717a;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;

  /* Layout */
  --sidebar-width: 260px;
  --header-height: 60px;
  --border-radius: 0.5rem;
  --border-radius-lg: 0.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.3);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
}

/* Reset */
*, *::before, *::after {
  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-family);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.5;
  min-height: 100vh;
}

/* ==========================================================================
   Login Page
   ========================================================================== */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--spacing-lg);
}

.login-container {
  width: 100%;
  max-width: 400px;
}

.login-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-lg);
}

.login-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.login-header h1 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.login-header p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

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

/* ==========================================================================
   Admin Layout
   ========================================================================== */

.admin-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--color-bg-secondary);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-header {
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.sidebar-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.sidebar-nav {
  flex: 1;
  padding: var(--spacing-md);
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  margin-bottom: var(--spacing-xs);
}

.nav-item:hover {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
}

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

.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

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

.user-info {
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: var(--spacing-xl);
  min-height: 100vh;
}

#page-content {
  max-width: 1400px;
  margin: 0 auto;
}

/* ==========================================================================
   Form Elements
   ========================================================================== */

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

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  color: var(--color-text);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

textarea {
  min-height: 100px;
  resize: vertical;
}

select {
  cursor: pointer;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-decoration: none;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

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

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

.btn-danger {
  background: var(--color-danger);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: var(--color-danger-hover);
}

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: var(--spacing-xs);
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-icon:hover {
  color: var(--color-text);
  background: var(--color-bg-tertiary);
}

/* ==========================================================================
   Badge
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: 9999px;
  background: var(--color-primary);
  color: white;
}

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

.badge-warning {
  background: var(--color-warning);
  color: #1a1d27;
}

.badge-danger {
  background: var(--color-danger);
}

.badge-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Cards
   ========================================================================== */

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

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

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

/* ==========================================================================
   Stats Cards
   ========================================================================== */

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

.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xs);
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: 600;
}

.stat-subtitle {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

/* ==========================================================================
   Data Table
   ========================================================================== */

.table-container {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.table-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.table-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.table-filters {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.search-input {
  width: 300px;
}

.filter-select {
  min-width: 150px;
}

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

.data-table th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.data-table th.sortable:hover {
  color: var(--color-text);
}

.data-table th .sort-icon {
  margin-left: var(--spacing-xs);
  opacity: 0.5;
}

.data-table th.sorted .sort-icon {
  opacity: 1;
}

.data-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
}

.data-table tr:hover {
  background: var(--color-bg-tertiary);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.table-empty {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
}

.row-actions {
  display: flex;
  gap: var(--spacing-xs);
}

/* Pagination */
.table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

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

.pagination {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.pagination-btn {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

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

/* ==========================================================================
   Modal
   ========================================================================== */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-lg);
}

.modal {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

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

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text);
  background: var(--color-bg-tertiary);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   Toast Notifications
   ========================================================================== */

#toast-container {
  position: fixed;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.toast {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-width: 300px;
  max-width: 400px;
  transform: translateX(100%);
  opacity: 0;
  transition: all var(--transition-normal);
}

.toast.visible {
  transform: translateX(0);
  opacity: 1;
}

.toast-success {
  border-left: 4px solid var(--color-success);
}

.toast-error {
  border-left: 4px solid var(--color-danger);
}

.toast-warning {
  border-left: 4px solid var(--color-warning);
}

.toast-info {
  border-left: 4px solid var(--color-primary);
}

/* ==========================================================================
   Error Message
   ========================================================================== */

.error-message {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.loading-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-muted);
}

.skeleton {
  background: linear-gradient(90deg, var(--color-bg-tertiary) 25%, var(--color-border) 50%, var(--color-bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--border-radius);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================================================
   Page Headers
   ========================================================================== */

.page-header {
  margin-bottom: var(--spacing-xl);
}

.page-title {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

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

/* ==========================================================================
   Detail View
   ========================================================================== */

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
}

.detail-item {
  padding: var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
}

.detail-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-xs);
}

.detail-value {
  font-size: var(--font-size-md);
  word-break: break-word;
}

.detail-item.full-width {
  grid-column: 1 / -1;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .table-header {
    flex-direction: column;
    align-items: stretch;
  }

  .table-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .search-input {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .modal {
    max-width: 100%;
    margin: var(--spacing-md);
  }
}

/* ==========================================================================
   Utilities
   ========================================================================== */

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

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

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

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

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hidden {
  display: none !important;
}

[hidden] {
  display: none !important;
}