/* Support Dashboard Styles */
        .dashboard-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
        }

        .dashboard-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
        }

        .dashboard-stats {
            display: flex;
            gap: 1rem;
        }

        .stat-card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 1rem 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            min-width: 160px;
            text-align: center;
        }

        .stat-value {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
            color: var(--primary);
        }

        .stat-label {
            font-size: 0.8rem;
            color: var(--text-light);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Support Ticket Styles */
        .support-container {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

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

        .search-bar {
            position: relative;
            width: 300px;
        }

        .search-input {
            width: 100%;
            padding: 0.75rem 1rem 0.75rem 2.5rem;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            transition: var(--transition);
            background-color: var(--card-bg);
            color: var(--text);
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
        }

        .search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .btn {
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-md);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
.btn-primary {
    background-color: var(--primary);
    color: white;
    border: none;
    outline: none;
    box-shadow: none;
    border-radius: 8px; /* 👈 Làm tròn góc */
    padding: 0.5rem 1rem; /* 👈 Tăng diện tích bấm */
    cursor: pointer; /* 👈 Con trỏ dạng bàn tay */
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md); /* Nếu bạn vẫn muốn hiệu ứng bóng đổ khi hover */
}

.btn-primary:focus {
    outline: none;        /* Bỏ viền khi focus */
    box-shadow: none;     /* Bỏ bóng đổ nếu có khi focus */
}


        .btn-outline {
            background-color: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
        }

        .btn-outline:hover {
            background-color: rgba(67, 97, 238, 0.08);
            transform: translateY(-1px);
        }

        .tabs {
            display: flex;
            border-bottom: 1px solid var(--border);
            margin-bottom: 1.5rem;
        }

        .tab {
            padding: 0.75rem 1.5rem;
            cursor: pointer;
            position: relative;
            color: var(--text-light);
            font-weight: 500;
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .tab:hover {
            color: var(--primary);
        }

        .tab.active {
            color: var(--primary);
        }

        .tab.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
        }

        .ticket-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .ticket-card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 1.25rem;
            transition: var(--transition);
            border-left: 4px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            border: 1px solid var(--border);
        }

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

        .ticket-card.new {
            border-left-color: var(--primary);
        }

        .ticket-card.pending {
            border-left-color: var(--warning);
        }

        .ticket-card.resolved {
            border-left-color: var(--success);
        }

        .ticket-card.urgent {
            border-left-color: var(--error);
        }

        .ticket-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .ticket-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .ticket-title i {
            font-size: 0.9rem;
            color: var(--warning);
        }

        .ticket-meta {
            display: flex;
            gap: 1rem;
            align-items: center;
        }

        .ticket-status {
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .status-new {
            background-color: rgba(67, 97, 238, 0.1);
            color: var(--primary);
        }

        .status-pending {
            background-color: rgba(248, 150, 30, 0.1);
            color: var(--warning);
        }

        .status-resolved {
            background-color: rgba(76, 201, 240, 0.1);
            color: var(--success);
        }

        .status-urgent {
            background-color: rgba(239, 35, 60, 0.1);
            color: var(--error);
        }

        .ticket-date {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .ticket-content {
            color: var(--text-light);
            line-height: 1.6;
            font-size: 0.9rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ticket-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 0.5rem;
        }

        .ticket-tags {
            display: flex;
            gap: 0.5rem;
        }

        .ticket-tag {
            background-color: rgba(114, 9, 183, 0.1);
            color: var(--secondary);
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .ticket-tag.category {
            background-color: rgba(67, 97, 238, 0.1);
            color: var(--primary);
        }

        .ticket-tag.priority {
            background-color: rgba(239, 35, 60, 0.1);
            color: var(--error);
        }

        .ticket-actions {
            display: flex;
            gap: 0.5rem;
        }

        .btn-icon {
            background-color: transparent;
            border: none;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }

        .btn-icon:hover {
            background-color: rgba(0, 0, 0, 0.05);
            color: var(--primary);
            transform: translateY(-1px);
        }

        [data-theme="dark"] .btn-icon:hover {
            background-color: rgba(255, 255, 255, 0.05);
        }

        .no-tickets {
            text-align: center;
            padding: 3rem;
            color: var(--text-light);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }

        .no-tickets i {
            font-size: 2rem;
            color: var(--text-light);
            opacity: 0.5;
        }

        /* Modal Styles */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }

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

        .modal {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-width: 600px;
            max-height: 90vh;
            overflow-y: auto;
            transform: translateY(20px);
            transition: var(--transition);
        }

        .modal-overlay.active .modal {
            transform: translateY(0);
        }

        .modal-header {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--primary);
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .modal-close:hover {
            background-color: rgba(0, 0, 0, 0.05);
            color: var(--primary);
        }

        .modal-body {
            padding: 1.5rem;
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--text);
            font-size: 0.9rem;
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: var(--transition);
            background-color: var(--card-bg);
            color: var(--text);
        }

        .form-textarea {
            min-height: 120px;
            resize: vertical;
            line-height: 1.6;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
        }

        .modal-footer {
            padding: 1.25rem 1.5rem;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: flex-end;
            gap: 0.75rem;
        }

        .btn-secondary {
            background-color: var(--card-bg);
            color: var(--text);
            border: 1px solid var(--border);
            padding: 0.75rem 1.25rem;
            border-radius: var(--radius-md);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 0, 0, 0.05);
            transform: translateY(-1px);
        }

        [data-theme="dark"] .btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.05);
        }

        /* Ticket Detail Styles */
        .ticket-detail {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border);
        }

        .ticket-detail-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 1.25rem;
        }

        .ticket-detail-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }

        .ticket-detail-content {
            line-height: 1.8;
            color: var(--text);
            margin-bottom: 1.5rem;
            white-space: pre-line;
        }

        .ticket-detail-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.25rem;
            margin-bottom: 1.5rem;
        }

        .meta-item {
            display: flex;
            flex-direction: column;
            min-width: 120px;
        }

        .meta-label {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 0.25rem;
        }

        .meta-value {
            font-weight: 500;
            color: var(--text);
            font-size: 0.9rem;
        }

        .ticket-replies {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

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

        .replies-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text);
        }

        .reply-count {
            background-color: var(--primary);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .reply-card {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 1.25rem;
            border: 1px solid var(--border);
        }

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

        .reply-user {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .reply-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .reply-info {
            display: flex;
            flex-direction: column;
        }

        .reply-name {
            font-weight: 600;
            color: var(--text);
            font-size: 0.9rem;
        }

        .reply-role {
            font-size: 0.75rem;
            color: var(--text-light);
        }

        .reply-date {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .reply-content {
            line-height: 1.8;
            color: var(--text);
            white-space: pre-line;
            font-size: 0.9rem;
        }

        .reply-form {
            background-color: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 1.25rem;
            margin-top: 1.5rem;
            border: 1px solid var(--border);
        }

        .form-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 1rem;
        }

        .file-upload {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-top: 1rem;
        }

        .file-label {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
        }

        .file-label:hover {
            color: var(--primary-dark);
        }

        .file-input {
            display: none;
        }

        .file-name {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-left: 0.5rem;
        }

        /* Priority Indicators */
        .priority-indicator {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .priority-high {
            color: var(--error);
        }

        .priority-medium {
            color: var(--warning);
        }

        .priority-low {
            color: var(--success);
        }

        /* Responsive Styles */
        @media (max-width: 1200px) {
            .app-container {
                grid-template-columns: 240px 1fr;
            }
            
            .dashboard-stats {
                flex-wrap: wrap;
            }
            
            .stat-card {
                min-width: 140px;
            }
        }

        @media (max-width: 992px) {
            .app-container {
                grid-template-columns: 220px 1fr;
            }
            
            .main-content {
                padding: 1.5rem;
            }
            
            .form-row {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        @media (max-width: 768px) {
            .app-container {
                grid-template-columns: 1fr;
                grid-template-rows: auto auto 1fr;
            }

            .header {
                grid-column: 1 / 2;
                padding: 1rem;
                position: sticky;
                top: 0;
            }

            .sidebar {
                grid-column: 1 / 2;
                grid-row: 2 / 3;
                height: auto;
                position: static;
                display: none;
                border-right: none;
                border-bottom: 1px solid var(--border);
            }

            .sidebar.active {
                display: flex;
            }

            .main-content {
                grid-column: 1 / 2;
                grid-row: 3 / 4;
                padding: 1.25rem;
            }
            .support-toolbar {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }

            .search-bar {
                width: 100%;
            }

            .dashboard-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
                margin-bottom: 1.5rem;
            }

            .dashboard-stats {
                width: 100%;
                justify-content: space-between;
            }

            .stat-card {
                flex: 1;
                min-width: auto;
            }

            .ticket-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }

            .ticket-meta {
                width: 100%;
                justify-content: space-between;
            }

            .ticket-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }

            .ticket-actions {
                width: 100%;
                justify-content: flex-end;
            }
        }

        @media (max-width: 576px) {
            .header-title {
                font-size: 1.1rem;
            }

            .header-actions {
                gap: 0.75rem;
            }

            .tabs {
                overflow-x: auto;
                padding-bottom: 0.5rem;
            }

            .tab {
                padding: 0.5rem 1rem;
                white-space: nowrap;
            }

            .modal {
                max-height: 80vh;
            }

            .ticket-detail-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }

            .ticket-detail-meta {
                gap: 0.75rem;
            }

            .meta-item {
                min-width: calc(50% - 0.75rem);
            }

            .modal-footer {
                flex-direction: column;
            }

            .btn, .btn-secondary {
                width: 100%;
            }
        }

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .ticket-card {
            animation: fadeIn 0.3s ease forwards;
        }

        .ticket-card:nth-child(1) { animation-delay: 0.1s; }
        .ticket-card:nth-child(2) { animation-delay: 0.2s; }
        .ticket-card:nth-child(3) { animation-delay: 0.3s; }
        .ticket-card:nth-child(4) { animation-delay: 0.4s; }