/* Main Stylesheet for Ticketing System */

:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --success-color: #27ae60;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    --light-bg: #f8f9fa;
    --border-color: #dee2e6;
    --text-muted: #6c757d;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f4f6f9;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.navbar-menu a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.navbar-menu a:hover {
    color: var(--primary-color);
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 60px;
    width: 250px;
    height: calc(100vh - 60px);
    background-color: white;
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 1rem 0;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s;
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
    background-color: var(--light-bg);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

/* Main Content */
.main-content {
    margin-left: 250px;
    padding: 2rem;
    min-height: calc(100vh - 60px);
}

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

/* Cards */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-body {
    padding: 1rem 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

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

.btn-success:hover {
    background-color: #229954;
}

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

.btn-danger:hover {
    background-color: #c0392b;
}

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

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.125rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--secondary-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

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

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    padding-right: 2.5rem;
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.form-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

.table thead {
    background-color: var(--light-bg);
}

.table th,
.table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--secondary-color);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 12px;
    color: white;
}

.badge-primary { background-color: var(--primary-color); }
.badge-success { background-color: var(--success-color); }
.badge-danger { background-color: var(--danger-color); }
.badge-warning { background-color: var(--warning-color); }
.badge-info { background-color: var(--info-color); }
.badge-secondary { background-color: #6c757d; }

/* Status badges */
.status-open { background-color: var(--primary-color); }
.status-in-progress { background-color: var(--warning-color); }
.status-waiting-customer { background-color: #e67e22; }
.status-waiting-agent { background-color: #f39c12; }
.status-resolved { background-color: var(--success-color); }
.status-closed { background-color: #6c757d; }

/* Priority badges */
.priority-low { background-color: #95a5a6; }
.priority-normal { background-color: var(--primary-color); }
.priority-high { background-color: var(--warning-color); }
.priority-urgent { background-color: var(--danger-color); }

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

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

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination a,
.pagination span {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    color: var(--secondary-color);
}

.pagination a:hover {
    background-color: var(--light-bg);
}

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

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.25rem;
}

.stat-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Ticket List */
.ticket-list-item {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: all 0.3s;
}

.ticket-list-item:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.ticket-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-decoration: none;
}

.ticket-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Comments */
.comment {
    background-color: var(--light-bg);
    border-left: 3px solid var(--primary-color);
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.comment-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.comment-author {
    font-weight: 600;
    color: var(--secondary-color);
}

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

.comment-internal {
    background-color: #fff9e6;
    border-left-color: var(--warning-color);
}

/* Attachments */
.attachment-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--light-bg);
    border-radius: 4px;
    text-decoration: none;
    color: var(--secondary-color);
}

.attachment-item:hover {
    background-color: var(--border-color);
}

/* Utilities */
.text-muted { color: var(--text-muted); }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .navbar-menu {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--light-bg);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.modal-close {
    font-size: 1.5rem;
    cursor: pointer;
    border: none;
    background: none;
    color: var(--text-muted);
}