/**
 * Support Tickets Frontend CSS
 *
 * @package MULTISITE_ULTIMATE_SUPPORT_TICKETS
 * @since 1.0.0
 */

/* ==========================================================================
   Variables
   ========================================================================== */

:root {
  --wu-primary: #007cba;
  --wu-primary-dark: #005a87;
  --wu-success: #00a32a;
  --wu-warning: #dba617;
  --wu-danger: #d63638;
  --wu-info: #72aee6;
  --wu-secondary: #6c757d;
  
  --wu-border: #ddd;
  --wu-border-light: #f0f0f1;
  --wu-bg-light: #f6f7f7;
  --wu-bg-white: #fff;
  
  --wu-text-dark: #1e1e1e;
  --wu-text-medium: #646970;
  --wu-text-light: #8c8f94;
  
  --wu-border-radius: 4px;
  --wu-border-radius-large: 8px;
  --wu-spacing-small: 8px;
  --wu-spacing-medium: 16px;
  --wu-spacing-large: 24px;
  
  --wu-shadow-small: 0 1px 3px rgba(0, 0, 0, 0.1);
  --wu-shadow-medium: 0 4px 6px rgba(0, 0, 0, 0.1);
  --wu-shadow-large: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   Base Components
   ========================================================================== */

.wu-support-tickets-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--wu-spacing-large);
}

.wu-card {
  background: var(--wu-bg-white);
  border: 1px solid var(--wu-border);
  border-radius: var(--wu-border-radius);
  box-shadow: var(--wu-shadow-small);
  overflow: hidden;
}

.wu-card-header {
  padding: var(--wu-spacing-medium) var(--wu-spacing-large);
  background: var(--wu-bg-light);
  border-bottom: 1px solid var(--wu-border);
}

.wu-card-body {
  padding: var(--wu-spacing-large);
}

.wu-card-footer {
  padding: var(--wu-spacing-medium) var(--wu-spacing-large);
  background: var(--wu-bg-light);
  border-top: 1px solid var(--wu-border);
}

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

.wu-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--wu-spacing-small);
  padding: 8px 16px;
  background: var(--wu-secondary);
  color: white;
  text-decoration: none;
  border: none;
  border-radius: var(--wu-border-radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.4;
}

.wu-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--wu-shadow-medium);
  color: white;
}

.wu-btn:active {
  transform: translateY(0);
}

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

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

.wu-btn-success {
  background: var(--wu-success);
}

.wu-btn-warning {
  background: var(--wu-warning);
}

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

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

.wu-btn-secondary:hover {
  background: var(--wu-bg-light);
  color: var(--wu-text-dark);
}

.wu-btn-small {
  padding: 6px 12px;
  font-size: 12px;
}

.wu-btn-large {
  padding: 12px 24px;
  font-size: 16px;
}

/* ==========================================================================
   Badges
   ========================================================================== */

.wu-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wu-badge-success {
  background: #d4edda;
  color: #155724;
}

.wu-badge-warning {
  background: #fff3cd;
  color: #856404;
}

.wu-badge-info {
  background: #d1ecf1;
  color: #0c5460;
}

.wu-badge-primary {
  background: #cfe2ff;
  color: #052c65;
}

.wu-badge-secondary {
  background: #e2e3e5;
  color: #383d41;
}

.wu-badge-danger {
  background: #f8d7da;
  color: #721c24;
}

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

.wu-form-row {
  margin-bottom: var(--wu-spacing-medium);
}

.wu-form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--wu-text-dark);
  font-size: 14px;
}

.wu-form-input,
.wu-form-select,
.wu-form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--wu-border);
  border-radius: var(--wu-border-radius);
  font-size: 14px;
  background: var(--wu-bg-white);
  color: var(--wu-text-dark);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.wu-form-input:focus,
.wu-form-select:focus,
.wu-form-textarea:focus {
  outline: none;
  border-color: var(--wu-primary);
  box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.1);
}

.wu-form-help {
  margin: 6px 0 0 0;
  font-size: 12px;
  color: var(--wu-text-light);
}

/* ==========================================================================
   Tickets List
   ========================================================================== */

.wu-tickets-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--wu-spacing-large);
  padding-bottom: var(--wu-spacing-medium);
  border-bottom: 2px solid var(--wu-border-light);
}

.wu-tickets-title {
  margin: 0;
  color: var(--wu-text-dark);
  font-size: 28px;
  font-weight: 700;
}

.wu-tickets-filters {
  background: var(--wu-bg-light);
  border: 1px solid var(--wu-border);
  border-radius: var(--wu-border-radius);
  padding: var(--wu-spacing-medium);
  margin-bottom: var(--wu-spacing-large);
}

.wu-filter-form {
  display: flex;
  gap: var(--wu-spacing-medium);
  align-items: end;
  flex-wrap: wrap;
}

.wu-filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 120px;
}

.wu-tickets-grid {
  display: grid;
  gap: var(--wu-spacing-medium);
}

.wu-ticket-card {
  background: var(--wu-bg-white);
  border: 1px solid var(--wu-border);
  border-radius: var(--wu-border-radius-large);
  padding: var(--wu-spacing-large);
  transition: all 0.2s ease;
  position: relative;
}

.wu-ticket-card:hover {
  box-shadow: var(--wu-shadow-medium);
  transform: translateY(-2px);
}

.wu-ticket-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--wu-spacing-medium);
  gap: var(--wu-spacing-medium);
}

.wu-ticket-number {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Consolas', 'Courier New', monospace;
  font-weight: 600;
  color: var(--wu-primary);
  font-size: 14px;
}

.wu-ticket-badges {
  display: flex;
  gap: var(--wu-spacing-small);
  flex-wrap: wrap;
}

.wu-ticket-subject {
  margin: 0 0 var(--wu-spacing-small) 0;
  font-size: 18px;
  font-weight: 600;
  color: var(--wu-text-dark);
  line-height: 1.4;
}

.wu-ticket-subject a {
  color: inherit;
  text-decoration: none;
}

.wu-ticket-subject a:hover {
  color: var(--wu-primary);
}

.wu-ticket-excerpt {
  color: var(--wu-text-medium);
  margin-bottom: var(--wu-spacing-medium);
  line-height: 1.5;
}

.wu-ticket-meta {
  display: flex;
  gap: var(--wu-spacing-large);
  flex-wrap: wrap;
  margin-bottom: var(--wu-spacing-medium);
  font-size: 13px;
}

.wu-ticket-meta-item {
  display: flex;
  gap: 4px;
  align-items: center;
}

.wu-meta-label {
  color: var(--wu-text-light);
  font-weight: 500;
}

.wu-meta-value {
  color: var(--wu-text-dark);
  font-weight: 600;
}

.wu-ticket-actions {
  display: flex;
  gap: var(--wu-spacing-small);
  flex-wrap: wrap;
}

/* ==========================================================================
   Empty States
   ========================================================================== */

.wu-empty-state {
  text-align: center;
  padding: var(--wu-spacing-large) * 2;
  background: var(--wu-bg-white);
  border: 1px solid var(--wu-border);
  border-radius: var(--wu-border-radius-large);
}

.wu-empty-state-icon {
  color: var(--wu-text-light);
  margin-bottom: var(--wu-spacing-medium);
}

.wu-empty-state-title {
  color: var(--wu-text-dark);
  margin: 0 0 var(--wu-spacing-small) 0;
  font-size: 20px;
  font-weight: 600;
}

.wu-empty-state-description {
  color: var(--wu-text-medium);
  margin: 0 0 var(--wu-spacing-large) 0;
  font-size: 16px;
  line-height: 1.5;
}

/* ==========================================================================
   Messages
   ========================================================================== */

.wu-message {
  display: flex;
  align-items: flex-start;
  gap: var(--wu-spacing-small);
  padding: var(--wu-spacing-medium);
  margin-bottom: var(--wu-spacing-medium);
  border-radius: var(--wu-border-radius);
  font-size: 14px;
  line-height: 1.5;
}

.wu-message-success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.wu-message-error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

.wu-message-warning {
  background: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

.wu-message-info {
  background: #d1ecf1;
  color: #0c5460;
  border: 1px solid #bee5eb;
}

.wu-message-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

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

.wu-pagination {
  display: flex;
  justify-content: center;
  gap: var(--wu-spacing-small);
  margin: var(--wu-spacing-large) 0;
}

.wu-pagination .page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  background: var(--wu-bg-white);
  border: 1px solid var(--wu-border);
  color: var(--wu-primary);
  text-decoration: none;
  border-radius: var(--wu-border-radius);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.wu-pagination .page-numbers:hover,
.wu-pagination .page-numbers.current {
  background: var(--wu-primary);
  color: white;
  border-color: var(--wu-primary);
}

.wu-pagination .page-numbers.dots {
  border: none;
  background: transparent;
  color: var(--wu-text-light);
  cursor: default;
}

.wu-pagination .page-numbers.dots:hover {
  background: transparent;
  color: var(--wu-text-light);
}

/* ==========================================================================
   Statistics
   ========================================================================== */

.wu-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--wu-spacing-medium);
  margin: var(--wu-spacing-large) 0;
}

.wu-stat-card {
  background: var(--wu-bg-white);
  border: 1px solid var(--wu-border);
  border-radius: var(--wu-border-radius);
  padding: var(--wu-spacing-medium);
  text-align: center;
  transition: all 0.2s ease;
}

.wu-stat-card:hover {
  box-shadow: var(--wu-shadow-small);
}

.wu-stat-number {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--wu-primary);
  line-height: 1;
}

.wu-stat-label {
  display: block;
  font-size: 12px;
  color: var(--wu-text-light);
  margin-top: 4px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ==========================================================================
   File Upload
   ========================================================================== */

.wu-file-upload-area {
  border: 2px dashed var(--wu-border);
  border-radius: var(--wu-border-radius-large);
  padding: var(--wu-spacing-large) * 1.5;
  text-align: center;
  background: var(--wu-bg-light);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.wu-file-upload-area:hover,
.wu-file-upload-area.dragover {
  border-color: var(--wu-primary);
  background: rgba(0, 124, 186, 0.05);
}

.wu-file-upload-icon {
  color: var(--wu-text-light);
  margin-bottom: var(--wu-spacing-small);
}

.wu-file-upload-text {
  margin: 0 0 4px 0;
  font-weight: 500;
  color: var(--wu-text-dark);
  font-size: 16px;
}

.wu-file-upload-hint {
  margin: 0;
  font-size: 12px;
  color: var(--wu-text-light);
}

.wu-file-list {
  margin-top: var(--wu-spacing-medium);
}

.wu-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--wu-spacing-small) var(--wu-spacing-medium);
  background: var(--wu-bg-light);
  border: 1px solid var(--wu-border);
  border-radius: var(--wu-border-radius);
  margin-bottom: var(--wu-spacing-small);
}

.wu-file-item:last-child {
  margin-bottom: 0;
}

.wu-file-info {
  display: flex;
  align-items: center;
  gap: var(--wu-spacing-small);
}

.wu-file-name {
  font-size: 13px;
  color: var(--wu-text-dark);
  font-weight: 500;
}

.wu-file-size {
  font-size: 12px;
  color: var(--wu-text-light);
}

.wu-file-remove {
  padding: 4px 6px;
  background: transparent;
  border: none;
  color: var(--wu-danger);
  cursor: pointer;
  border-radius: var(--wu-border-radius);
  font-weight: bold;
}

.wu-file-remove:hover {
  background: rgba(214, 54, 56, 0.1);
}

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

.wu-loading {
  position: relative;
}

.wu-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.wu-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--wu-border);
  border-radius: 50%;
  border-top-color: var(--wu-primary);
  animation: wu-spin 0.8s linear infinite;
}

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

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

@media (max-width: 768px) {
  .wu-support-tickets-container {
    padding: var(--wu-spacing-medium);
  }
  
  .wu-tickets-header {
    flex-direction: column;
    gap: var(--wu-spacing-medium);
    align-items: stretch;
  }
  
  .wu-filter-form {
    flex-direction: column;
    align-items: stretch;
  }
  
  .wu-filter-group {
    min-width: auto;
  }
  
  .wu-ticket-header {
    flex-direction: column;
    gap: var(--wu-spacing-small);
  }
  
  .wu-ticket-meta {
    flex-direction: column;
    gap: var(--wu-spacing-small);
  }
  
  .wu-ticket-actions {
    justify-content: stretch;
  }
  
  .wu-ticket-actions .wu-btn {
    flex: 1;
    justify-content: center;
  }
  
  .wu-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .wu-pagination {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  .wu-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .wu-card-body {
    padding: var(--wu-spacing-medium);
  }
  
  .wu-file-upload-area {
    padding: var(--wu-spacing-large);
  }
  
  .wu-tickets-title {
    font-size: 24px;
  }
}