/* ============================================
   XGR Solutions - Ticketing System
   Thème Dracula
   ============================================ */

:root {
    /* Dracula Colors */
    --bg-primary: #282a36;
    --bg-secondary: #1e1f29;
    --bg-tertiary: #44475a;
    --bg-hover: #3d4051;
    
    --text-primary: #f8f8f2;
    --text-secondary: #6272a4;
    --text-muted: #545769;
    
    --accent-cyan: #8be9fd;
    --accent-green: #50fa7b;
    --accent-orange: #ffb86c;
    --accent-pink: #ff79c6;
    --accent-purple: #bd93f9;
    --accent-red: #ff5555;
    --accent-yellow: #f1fa8c;
    
    /* Spacing */
    --sidebar-width: 260px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
}

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

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ============ SIDEBAR ============ */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-primary);
    border-right: 1px solid var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid var(--bg-tertiary);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-text .accent {
    color: var(--accent-cyan);
}

.nav-menu {
    list-style: none;
    padding: 16px 12px;
    flex: 1;
}

.nav-item {
    margin-bottom: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-link:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.nav-link.active {
    background: var(--bg-tertiary);
    color: var(--accent-cyan);
}

.nav-badge {
    background: var(--accent-pink);
    color: var(--bg-primary);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: auto;
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    font-size: 20px;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.logout-btn {
    padding: 8px;
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.logout-btn:hover {
    background: var(--bg-hover);
}

/* ============ MAIN CONTENT ============ */

.main-content {
    margin-left: var(--sidebar-width);
    padding: 32px;
    min-height: 100vh;
}

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

/* ============ FLASH MESSAGES ============ */

.flash-messages {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
}

.flash-message {
    padding: 14px 20px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-md);
}

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

.flash-success {
    background: rgba(80, 250, 123, 0.15);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.flash-error {
    background: rgba(255, 85, 85, 0.15);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

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

/* ============ PAGE HEADER ============ */

.page-header {
    margin-bottom: 32px;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 15px;
}

/* ============ CARDS ============ */

.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--bg-tertiary);
    overflow: hidden;
}

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

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

/* ============ STATS GRID ============ */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--bg-tertiary);
    padding: 24px;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.stat-icon {
    font-size: 32px;
    margin-bottom: 12px;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 4px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card.open .stat-value { color: var(--accent-cyan); }
.stat-card.in-progress .stat-value { color: var(--accent-orange); }
.stat-card.resolved .stat-value { color: var(--accent-green); }
.stat-card.closed .stat-value { color: var(--text-secondary); }
.stat-card.total .stat-value { color: var(--accent-purple); }

/* ============ TICKETS TABLE ============ */

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

.tickets-table th,
.tickets-table td {
    padding: 14px 16px;
    text-align: left;
}

.tickets-table th {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.tickets-table tbody tr {
    border-bottom: 1px solid var(--bg-tertiary);
    transition: background var(--transition-fast);
}

.tickets-table tbody tr:hover {
    background: var(--bg-hover);
}

.tickets-table tbody tr:last-child {
    border-bottom: none;
}

.ticket-reference {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    color: var(--accent-cyan);
    text-decoration: none;
}

.ticket-reference:hover {
    text-decoration: underline;
}

.ticket-subject {
    font-weight: 500;
    color: var(--text-primary);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

/* ============ BADGES ============ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-category {
    background: rgba(139, 233, 253, 0.15);
    color: var(--accent-cyan);
}

.badge-status {
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-open {
    background: rgba(139, 233, 253, 0.15);
    color: var(--accent-cyan);
}

.badge-in_progress, .badge-in-progress {
    background: rgba(255, 184, 108, 0.15);
    color: var(--accent-orange);
}

.badge-resolved {
    background: rgba(80, 250, 123, 0.15);
    color: var(--accent-green);
}

.badge-closed {
    background: rgba(98, 114, 164, 0.15);
    color: var(--text-secondary);
}

.badge-priority-low {
    background: rgba(98, 114, 164, 0.15);
    color: var(--text-secondary);
}

.badge-priority-normal {
    background: rgba(139, 233, 253, 0.15);
    color: var(--accent-cyan);
}

.badge-priority-high {
    background: rgba(255, 184, 108, 0.15);
    color: var(--accent-orange);
}

.badge-priority-urgent {
    background: rgba(255, 85, 85, 0.15);
    color: var(--accent-red);
}

/* ============ FORMS ============ */

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

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 15px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px rgba(139, 233, 253, 0.1);
}

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

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

select.form-control {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236272a4' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-cyan);
    cursor: pointer;
}

/* ============ BUTTONS ============ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-cyan);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: #6ed8ec;
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--bg-hover);
}

.btn-success {
    background: var(--accent-green);
    color: var(--bg-primary);
}

.btn-success:hover {
    background: #3ed96a;
}

.btn-danger {
    background: var(--accent-red);
    color: var(--text-primary);
}

.btn-danger:hover {
    background: #e54444;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-icon {
    padding: 8px;
    min-width: 36px;
}

.btn-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* ============ FILTERS ============ */

.filters-bar {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
    align-items: center;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-label {
    color: var(--text-secondary);
    font-size: 13px;
    white-space: nowrap;
}

.filter-select {
    padding: 8px 32px 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236272a4' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-cyan);
}

/* ============ TICKET DETAIL ============ */

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.ticket-info h1 {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.ticket-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--text-secondary);
    font-size: 14px;
}

.ticket-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ticket-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.ticket-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 24px;
}

@media (max-width: 1024px) {
    .ticket-content {
        grid-template-columns: 1fr;
    }
}

.messages-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.message {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--bg-tertiary);
    overflow: hidden;
}

.message-header {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.message-sender {
    font-weight: 600;
    color: var(--text-primary);
}

.message-sender.client {
    color: var(--accent-orange);
}

.message-sender.support {
    color: var(--accent-cyan);
}

.message-date {
    color: var(--text-secondary);
    font-size: 13px;
}

.message-body {
    padding: 16px;
    white-space: pre-wrap;
    line-height: 1.7;
}

.reply-form {
    margin-top: 24px;
}

.ticket-sidebar .card {
    margin-bottom: 20px;
}

.sidebar-item {
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-tertiary);
}

.sidebar-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar-item:first-child {
    padding-top: 0;
}

.sidebar-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.sidebar-value {
    font-weight: 500;
    color: var(--text-primary);
}

/* ============ CATEGORIES ============ */

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.category-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--bg-tertiary);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform var(--transition-fast);
}

.category-card:hover {
    transform: translateY(-2px);
}

.category-icon {
    font-size: 32px;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
}

.category-info {
    flex: 1;
}

.category-name {
    font-weight: 600;
    margin-bottom: 4px;
}

.category-count {
    font-size: 13px;
    color: var(--text-secondary);
}

.category-actions {
    display: flex;
    gap: 8px;
}

/* ============ LOGIN PAGE ============ */

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--bg-tertiary);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.login-header {
    padding: 40px 40px 32px;
    text-align: center;
    border-bottom: 1px solid var(--bg-tertiary);
}

.login-logo {
    font-size: 48px;
    margin-bottom: 16px;
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.login-title .accent {
    color: var(--accent-cyan);
}

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

.login-body {
    padding: 32px 40px 40px;
}

.login-body .btn {
    width: 100%;
    margin-top: 8px;
}

/* ============ EMPTY STATE ============ */

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-text {
    margin-bottom: 24px;
}

/* ============ MODAL ============ */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    border: 1px solid var(--bg-tertiary);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

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

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

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

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--bg-tertiary);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============ DATE/TIME ============ */

.datetime {
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
}

/* ============ RESPONSIVE ============ */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tickets-table {
        display: block;
        overflow-x: auto;
    }
    
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-select,
    .search-input {
        flex: 1;
    }
}

/* ============ ANIMATIONS ============ */

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

.loading {
    animation: pulse 1.5s infinite;
}

/* ============ SCROLLBAR ============ */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============ COLOR PICKER ============ */

.color-input {
    display: flex;
    align-items: center;
    gap: 12px;
}

.color-input input[type="color"] {
    width: 50px;
    height: 38px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: none;
}

.color-input input[type="text"] {
    flex: 1;
}