/* ================================
   ADMIN PANEL (MVP)
   Using theme system variables
   ================================ */

.admin-panel { 
  position: fixed; 
  top: var(--header-height); 
  right: var(--space-6); 
  width: 400px; 
  max-height: 80vh; 
  overflow-y: auto; 
  background: var(--color-bg-elevated);
  backdrop-filter: blur(10px); 
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl); 
  padding: var(--space-6); 
  z-index: var(--z-modal); 
  box-shadow: var(--shadow-lg);
}

.admin-panel.hidden { 
  display: none; 
}

.admin-panel .admin-grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
  gap: var(--space-4); 
  margin: var(--space-4) 0; 
}

.admin-card { 
  background: var(--card-bg); 
  border: 1px solid var(--card-border); 
  border-radius: var(--radius-xl); 
  padding: var(--space-4); 
}

.admin-card h3 { 
  margin: 0 0 var(--space-3) 0; 
  font-size: var(--font-size-xl); 
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
}

.form-row { 
  display: flex; 
  gap: var(--space-2); 
  align-items: center; 
  margin: var(--space-2) 0; 
}

/* Admin forms используют компактный размер (наследуется) */
.form-row input {
  flex: 1;
  /* padding, height, font-size наследуются из components/forms.css */
}

.form-row input:focus {
  /* focus styles наследуются */
}

.result-box { 
  margin-top: var(--space-3); 
  font-size: var(--font-size-sm); 
}

.result-box .success { 
  color: var(--color-success); 
}

.result-box .error { 
  color: var(--color-error); 
}

.hint { 
  font-size: var(--font-size-xs); 
  color: var(--color-text-muted); 
}

.hint.muted { 
  opacity: 0.8; 
}

/* ================================
   USER TABLE CONTROLS
   Using theme system variables
   ================================ */

.users-table-container {
  margin-top: var(--space-16);
}

.table-header-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: 0;
}

.table-header-controls h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.activity-filters {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-tertiary);
  margin-right: var(--space-1);
}

.filter-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  font-family: var(--font-primary);
  cursor: pointer;
  transition: var(--transition-base);
  white-space: nowrap;
  outline: none;
}

.filter-btn:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-primary);
  color: var(--color-text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: var(--font-weight-semibold);
  box-shadow: var(--shadow-glow);
}

/* ================================
   SORTABLE TABLE HEADERS
   Using theme system variables
   ================================ */

.users-table th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  transition: var(--transition-base);
}

.users-table th.sortable:hover {
  background: var(--color-bg-hover);
}

.users-table th.sortable .sort-indicator {
  display: inline-block;
  margin-left: var(--space-2);
  opacity: 0.3;
  color: var(--color-text-tertiary);
  transition: var(--transition-fast);
}

.users-table th.sortable .sort-indicator::after {
  content: '↕';
}

.users-table th.sortable.sort-asc .sort-indicator,
.users-table th.sortable.sort-desc .sort-indicator {
  opacity: 1;
  color: var(--color-primary);
}

.users-table th.sortable.sort-asc .sort-indicator::after {
  content: '↑';
}

.users-table th.sortable.sort-desc .sort-indicator::after {
  content: '↓';
}

/* ================================
   PRICING SETTINGS SECTION
   ================================ */

.pricing-settings-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.pricing-settings-section .section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.pricing-settings-section .section-header h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2) 0;
}

.pricing-settings-section .section-description {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.settings-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.settings-card h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-3) 0;
}

.form-group {
  margin-bottom: var(--space-3);
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.form-group input[type="number"],
.form-group input[type="text"] {
  /* Базовые стили наследуются */
  width: 100%;
}

.form-group input:read-only {
  background: var(--color-bg-elevated);
  color: var(--color-text-tertiary);
  cursor: not-allowed;
  border-style: dashed;
  opacity: 0.7;
}

.form-hint {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
}

.plans-grid {
  /* Контейнер для тарифов и системных настроек */
  display: block;
}

.subscription-plans {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

/* Карточка тарифного плана */
.plan-card {
  background: var(--color-bg-elevated);
  border: 2px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  position: relative;
  overflow: hidden;
}

.plan-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.plan-card.plan-free {
  border-color: rgba(34, 197, 94, 0.3);
}

.plan-card.plan-premium {
  border-color: rgba(168, 85, 247, 0.4);
  background: linear-gradient(135deg, var(--color-bg-elevated) 0%, rgba(168, 85, 247, 0.05) 100%);
}

/* Хедер карточки */
.plan-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.plan-icon {
  /* Иконка плана - теперь через CSS masks */
  color: var(--color-primary);
  flex-shrink: 0;
}

.plan-header h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin: 0;
}

/* Цена */
.plan-price {
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--card-border);
}

.price-amount {
  font-size: 28px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.price-currency {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  margin-left: var(--space-1);
}

/* Лимиты */
.plan-limits {
  margin-bottom: var(--space-3);
}

.limit-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
}

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

.limit-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

/* Фичи плана */
.plan-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-3);
  border-top: 1px solid var(--card-border);
}

.feature-item {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.feature-item::before {
  color: var(--color-success);
}

/* Старые стили для совместимости */
.plan-details p {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: var(--space-1) 0;
}

.plan-description {
  color: var(--color-text-tertiary) !important;
  font-style: italic;
  margin-top: var(--space-2) !important;
}

/* ========================================
   СИСТЕМНЫЕ НАСТРОЙКИ
   ======================================== */

.system-settings-section {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 2px solid var(--card-border);
}

.system-settings-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-4) 0;
}

.system-settings-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-3);
}

.system-card {
  background: var(--color-bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  transition: box-shadow 0.2s;
}

.system-card:hover {
  box-shadow: var(--shadow-sm);
}

.system-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.system-icon {
  /* Системная иконка - через CSS masks */
  color: var(--color-primary);
  flex-shrink: 0;
}

.system-card-header h6 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.system-card-value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.system-card-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  font-style: italic;
}

.settings-actions {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-5);
  flex-shrink: 0;
}

/* Индикатор несохраненных изменений */
.settings-actions .btn-primary.has-changes {
  animation: pulse 2s infinite;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(139, 92, 246, 0.1);
  }
}

/* Responsive для header кнопок */
@media (max-width: 768px) {
  .pricing-settings-section .section-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .settings-actions {
    width: 100%;
  }
  
  .settings-actions button {
    flex: 1;
  }
}

.loading-text,
.error-text {
  text-align: center;
  padding: var(--space-4);
  color: var(--color-text-secondary);
}

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

/* ================================
   ADMIN STATS PERIOD SELECTOR
   ================================ */

.admin-stats-controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
}

.stats-period-label {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.stats-period-selector {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.period-btn {
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
}

.period-btn:hover {
  background: var(--color-bg-tertiary);
  border-color: var(--color-primary-alpha);
  color: var(--color-text-primary);
}

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

.period-btn:active {
  transform: scale(0.98);
}

/* Responsive для маленьких экранов */
@media (max-width: 768px) {
  .admin-stats-controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .stats-period-label {
    text-align: center;
  }
  
  .stats-period-selector {
    justify-content: center;
  }
}

/* ================================
   REQUESTS PAGE STYLES
   ================================ */

.requests-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 16px;
  border: 1px solid var(--card-border, #e5e7eb);
  background: var(--card-bg, #ffffff);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary, #1f2937);
}

.filter-btn:hover {
  background: var(--color-bg-secondary, #f9fafb);
  border-color: var(--primary-color, #8b5cf6);
}

.filter-btn.active {
  background: var(--primary-color, #8b5cf6);
  color: white;
  border-color: var(--primary-color, #8b5cf6);
}

.requests-table-container {
  background: var(--card-bg, #ffffff);
  border-radius: 12px;
  padding: 24px;
  border: 1px solid var(--card-border, #e5e7eb);
}

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

.requests-table th {
  text-align: left;
  padding: 12px;
  border-bottom: 2px solid var(--card-border, #e5e7eb);
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-secondary, #6b7280);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.requests-table td {
  padding: 12px;
  border-bottom: 1px solid var(--card-border, #e5e7eb);
  vertical-align: middle;
}

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

.source-badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
}

.source-waitlist {
  background: #dbeafe;
  color: #1e40af;
}

.source-partner {
  background: #fef3c7;
  color: #92400e;
}

.status-select {
  padding: 6px 10px;
  border: 1px solid var(--card-border, #e5e7eb);
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  min-width: 140px;
}

.status-select:hover {
  border-color: var(--primary-color, #8b5cf6);
}

.status-select:focus {
  outline: none;
  border-color: var(--primary-color, #8b5cf6);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.status-pending {
  background: #fef3c7;
  color: #92400e;
}

.status-contacted {
  background: #dbeafe;
  color: #1e40af;
}

.status-converted {
  background: #d1fae5;
  color: #065f46;
}

.status-archived {
  background: #f3f4f6;
  color: #6b7280;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 6px;
  cursor: pointer;
  border: none;
  font-weight: 500;
  transition: all 0.2s;
}

.btn-danger {
  background: #fee2e2;
  color: #dc2626;
}

.btn-danger:hover {
  background: #fecaca;
}

/* Action buttons (edit, delete, download, etc.) */
.action-btn.btn-delete {
  color: #dc2626;
}

.action-btn.btn-delete:hover {
  background: #fee2e2;
  color: #b91c1c;
}

.text-muted {
  color: var(--color-text-secondary, #6b7280);
  font-size: 12px;
}

/* Уменьшенный размер для плана в таблице пользователей */
#users-page table .plan-badge {
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* ================================
   PRICING EDITOR - Editable Input Fields
   ================================ */

/* Редактируемые поля в карточках тарифов */
.plan-price-input,
.plan-tokens-input {
  width: 100px;
  padding: 4px 8px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-base);
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-size: 16px;
  font-weight: 600;
  text-align: right;
  transition: border-color 0.2s, background 0.2s;
  font-family: var(--font-primary);
}

.plan-price-input:hover,
.plan-tokens-input:hover {
  background: var(--color-bg-elevated);
}

.plan-price-input:focus,
.plan-tokens-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-elevated);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

/* Редактируемые поля системных настроек */
#bonus-tokens-input,
#max-debt-input {
  width: 120px;
  padding: 6px 10px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-base);
  background: var(--color-bg);
  color: var(--color-text-primary);
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  transition: border-color 0.2s, background 0.2s;
  font-family: var(--font-primary);
}

#bonus-tokens-input:hover,
#max-debt-input:hover {
  background: var(--color-bg-elevated);
}

#bonus-tokens-input:focus,
#max-debt-input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-bg-elevated);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

/* Убираем стрелки у number inputs в Chrome, Safari, Edge */
.plan-price-input::-webkit-outer-spin-button,
.plan-price-input::-webkit-inner-spin-button,
.plan-tokens-input::-webkit-outer-spin-button,
.plan-tokens-input::-webkit-inner-spin-button,
#bonus-tokens-input::-webkit-outer-spin-button,
#bonus-tokens-input::-webkit-inner-spin-button,
#max-debt-input::-webkit-outer-spin-button,
#max-debt-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Убираем стрелки у number inputs в Firefox */
.plan-price-input,
.plan-tokens-input,
#bonus-tokens-input,
#max-debt-input {
  -moz-appearance: textfield;
}

/* Адаптация под темную тему */
[data-theme="dark"] .plan-price-input,
[data-theme="dark"] .plan-tokens-input,
[data-theme="dark"] #bonus-tokens-input,
[data-theme="dark"] #max-debt-input {
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .plan-price-input:hover,
[data-theme="dark"] .plan-tokens-input:hover,
[data-theme="dark"] #bonus-tokens-input:hover,
[data-theme="dark"] #max-debt-input:hover {
  background: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .plan-price-input:focus,
[data-theme="dark"] .plan-tokens-input:focus,
[data-theme="dark"] #bonus-tokens-input:focus,
[data-theme="dark"] #max-debt-input:focus {
  background: rgba(255, 255, 255, 0.1);
}