/**
 * RUSVPN Support Tickets Styles - Dark Theme
 * Matches dashboard.css dark theme styling
 */

/* ============================================================================
   Support Page Layout
   ============================================================================ */

.support-page {
    max-width: 1200px;
    margin: 0 auto;
}

.page-description {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 8px 0 0 0;
}

/* ============================================================================
   Support Tickets Container
   ============================================================================ */

.support-tickets-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    box-shadow: var(--card-shadow);
    margin-top: 24px;
}

/* ============================================================================
   Tickets Header
   ============================================================================ */

.tickets-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tickets-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.tickets-header h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.tickets-count {
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-primary);
    border-radius: 12px;
    font-size: 13px;
    font-weight: 600;
}

.tickets-header-right {
    display: flex;
    gap: 12px;
}

/* ============================================================================
   Filters
   ============================================================================ */

.tickets-filters {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
    min-width: 150px;
}

.filter-group label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

.filter-select {
    padding: 10px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.filter-select:hover {
    border-color: var(--border-hover);
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.tickets-list {
    min-height: 300px;
}

.tickets-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ============================================================================
   Ticket Item
   ============================================================================ */

.ticket-item {
    display: flex;
    flex-direction: column;
    padding: 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
}

.ticket-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}

.ticket-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.ticket-id {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    font-family: 'Courier New', monospace;
}

.ticket-status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ticket-status.status-open {
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent-primary);
}

.ticket-status.status-in_progress {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.ticket-status.status-waiting_user {
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
}

.ticket-status.status-closed {
    background: rgba(100, 116, 139, 0.2);
    color: var(--text-muted);
}

.ticket-subject {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px 0;
}

.ticket-meta {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.ticket-category,
.ticket-priority,
.ticket-date,
.ticket-replies {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
}

.ticket-category::before {
    content: '📁';
    font-size: 14px;
}

.ticket-priority::before {
    content: '⚡';
    font-size: 14px;
}

.ticket-date::before {
    content: '🕒';
    font-size: 14px;
}

.ticket-replies::before {
    content: '💬';
    font-size: 14px;
}

.ticket-priority.priority-urgent {
    color: var(--error);
    font-weight: 600;
}

.ticket-priority.priority-high {
    color: var(--warning);
    font-weight: 600;
}

/* ============================================================================
   Loading State
   ============================================================================ */

.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

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

.loading-state p {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 0;
}

/* ============================================================================
   Empty State
   ============================================================================ */

.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.empty-state p {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 0 0 24px 0;
}

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

.tickets-pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ============================================================================
   Create Ticket Modal
   ============================================================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: all 0.2s;
    line-height: 1;
}

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

.modal-body {
    padding: 24px;
}

/* ============================================================================
   Form Styles
   ============================================================================ */

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.required {
    color: var(--error);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 15px;
    color: var(--text-primary);
    transition: all 0.2s;
    box-sizing: border-box;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input::placeholder {
    color: var(--text-disabled);
}

.form-input.error {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.05);
}

.form-input.error:focus {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.form-hint {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.form-message {
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 14px;
    margin-bottom: 16px;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--error);
    border: 1px solid var(--error);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.form-actions .btn {
    flex: 1;
}

/* ============================================================================
   Utility Classes
   ============================================================================ */

.hidden {
    display: none !important;
}

/* ============================================================================
   Responsive Design - Mobile
   ============================================================================ */

@media (max-width: 768px) {
    .support-tickets-container {
        padding: 16px;
    }
    
    .tickets-header {
        flex-direction: column;
        align-items: stretch;
        gap: 16px;
    }
    
    .tickets-header-left {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .tickets-header h2 {
        font-size: 20px;
    }
    
    .tickets-header-right {
        width: 100%;
    }
    
    .tickets-header-right .btn {
        width: 100%;
        justify-content: center;
    }
    
    .tickets-filters {
        flex-direction: column;
        gap: 12px;
    }
    
    .filter-group {
        min-width: 100%;
    }
    
    .ticket-item {
        padding: 16px;
    }
    
    .ticket-subject {
        font-size: 16px;
    }
    
    .ticket-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .tickets-pagination {
        flex-direction: column;
        gap: 16px;
    }
    
    .tickets-pagination .btn {
        width: 100%;
    }
    
    .modal {
        padding: 0;
    }
    
    .modal-content {
        max-height: 100vh;
        border-radius: 0;
    }
    
    .form-actions {
        flex-direction: column;
    }
}

/* ============================================================================
   Responsive Design - Tablet
   ============================================================================ */

@media (min-width: 768px) and (max-width: 1024px) {
    .tickets-filters {
        flex-wrap: wrap;
    }
    
    .filter-group {
        flex: 1 1 calc(50% - 8px);
        min-width: calc(50% - 8px);
    }
}