:root {
    --primary: #1e31a1;
    --primary-hover: #17267f;
    --primary-light: rgba(30, 49, 161, 0.08);
    --primary-border: rgba(30, 49, 161, 0.25);
    --accent: #0d9dd5;
    --accent-soft: rgba(13, 157, 213, 0.12);
    --sidebar-bg: linear-gradient(180deg, #08112f 0%, #132a6f 100%);
    --sidebar-text: #b7c6ec;
    --sidebar-active: #ffffff;
    --sidebar-hover: rgba(255, 255, 255, 0.08);
    --sidebar-active-bg: rgba(13, 157, 213, 0.18);
    --bg: #f4f7fc;
    --card: #FFFFFF;
    --surface: #f8fbff;
    --text: #172447;
    --text-secondary: #4d5c7f;
    --muted: #6d7c9d;
    --success: #16a34a;
    --success-bg: #f0fdf4;
    --success-border: #bbf7d0;
    --warning: #d97706;
    --warning-bg: #fffbeb;
    --warning-border: #fde68a;
    --danger: #dc2626;
    --danger-bg: #fef2f2;
    --danger-border: #fecaca;
    --info: #0d9dd5;
    --info-bg: #eefaff;
    --info-border: #b8e9f9;
    --border: #d8e2f0;
    --border-light: #edf2f8;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-xs: 6px;
    --sidebar-width: 250px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
}

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

.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 24px 20px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.brand-mark {
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.96);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 8px 18px rgba(7, 15, 48, 0.22);
    padding: 8px;
}

.sidebar-logo {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.sidebar-brand h2 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
}

.sidebar-brand p {
    font-size: 0.75rem;
    color: rgba(223, 233, 255, 0.78);
    margin-top: 1px;
}

.sidebar nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 16px 12px;
}

.sidebar nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--sidebar-text);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    text-decoration: none;
}

.sidebar nav a svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.7;
}

.sidebar nav a:hover {
    background: var(--sidebar-hover);
    color: #e4e4e7;
    text-decoration: none;
}

.sidebar nav a.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active);
    font-weight: 600;
}

.sidebar nav a.active svg {
    opacity: 1;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--sidebar-text);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    text-decoration: none;
}

.sidebar-footer a:hover {
    background: rgba(220, 38, 38, 0.1);
    color: #fca5a5;
    text-decoration: none;
}

.sidebar-footer a svg {
    width: 18px;
    height: 18px;
}

.main {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 24px 28px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    min-height: 64px;
}

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

.topbar h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.sidebar-toggle {
    display: none;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 8px;
    cursor: pointer;
    color: var(--text);
}

.sidebar-toggle svg {
    width: 20px;
    height: 20px;
}

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

.user-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--card);
    padding: 8px 14px;
    border-radius: 999px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.user-pill .user-icon {
    width: 16px;
    height: 16px;
    color: var(--muted);
}

.role-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.card {
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
}

.alert-card {
    border-left: 4px solid var(--success);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 22px;
    height: 22px;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--muted);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}

.grid {
    display: grid;
    gap: 16px;
}

.cards-2 {
    grid-template-columns: repeat(2, 1fr);
}

.cards-3 {
    grid-template-columns: repeat(3, 1fr);
}

.cards-4 {
    grid-template-columns: repeat(4, 1fr);
}

.charts-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

.charts-grid-2 {
    grid-template-columns: 1fr 1fr;
    display: grid;
    gap: 16px;
    margin-top: 20px;
}

.chart-card {
    padding: 20px;
}

.chart-card h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.chart-card canvas {
    max-height: 260px;
}

.mt-10 {
    margin-top: 10px;
}

.mt-16 {
    margin-top: 16px;
}

.mt-20 {
    margin-top: 20px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: -4px;
}

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

input[type="text"],
input[type="email"],
input[type="password"],
input[type="datetime-local"],
textarea,
select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font: inherit;
    font-size: 0.9rem;
    color: var(--text);
    background: #fff;
    transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

input[type="file"] {
    padding: 8px;
    font-size: 0.85rem;
}

.form-card {
    max-width: 640px;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-grid-2 .form-actions {
    grid-column: 1 / -1;
}

.permissions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 12px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text);
    cursor: pointer;
    margin-bottom: 0;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
}

.credential-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin: 10px 0;
    font-family: monospace;
    font-size: 0.875rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary);
    color: #fff;
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1.4;
}

.btn svg {
    width: 16px;
    height: 16px;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: #fff;
    text-decoration: none;
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

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

.btn-outline:hover {
    background: var(--surface);
    border-color: var(--primary-border);
    color: var(--primary);
}

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

.btn-danger:hover {
    background: #b91c1c;
}

.btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}

.table-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
}

.table-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.filters select {
    width: auto;
    min-width: 120px;
    padding: 7px 12px;
    font-size: 0.85rem;
}

.table-wrap {
    overflow-x: auto;
    margin: 0 -24px;
    padding: 0 24px;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
}

thead th {
    padding: 10px 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
    color: var(--text-secondary);
    vertical-align: middle;
}

tbody tr:hover td {
    background: rgba(0, 0, 0, 0.015);
}

tbody tr:last-child td {
    border-bottom: none;
}

code {
    background: var(--surface);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-family: monospace;
    color: var(--primary);
}

.badge,
.priority {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    line-height: 1.4;
}

.badge-open {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid var(--warning-border);
}

.badge-progress {
    background: var(--info-bg);
    color: var(--info);
    border: 1px solid var(--info-border);
}

.badge-resolved {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid var(--success-border);
}

.priority-low {
    background: #f3f4f6;
    color: #4b5563;
    border: 1px solid #d1d5db;
}

.priority-medium {
    background: var(--warning-bg);
    color: #92400e;
    border: 1px solid var(--warning-border);
}

.priority-high {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
}

.text-danger {
    color: var(--danger);
    font-weight: 600;
}

.text-success {
    color: var(--success);
    font-weight: 600;
}

.alert-error {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid var(--danger-border);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.alert-success {
    background: var(--success-bg);
    color: #166534;
    border: 1px solid var(--success-border);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.auth-layout {
    min-height: 100vh;
    display: flex;
    background: #fff;
}

.auth-left {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.auth-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px;
    background: linear-gradient(135deg, #101f67 0%, #0d9dd5 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.auth-right::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('data:image/svg+xml;utf8,<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="2" cy="2" r="1.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100%" height="100%" fill="url(%23dots)"/></svg>');
    opacity: 0.8;
}

.auth-right-content {
    position: relative;
    z-index: 1;
    max-width: 480px;
    margin: 0 auto;
}

.auth-right h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.auth-right p {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.6;
}

.auth-card {
    width: min(420px, 100%);
    background: transparent;
    box-shadow: none;
    border: none;
    padding: 0;
    margin: 0 auto;
}

.auth-brand {
    margin-bottom: 32px;
    text-align: left;
}

.auth-logo {
    max-width: 200px;
    height: auto;
    margin-bottom: 24px;
    display: block;
}

.auth-brand h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}

.auth-brand p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.auth-form label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: -8px;
}

.auth-form input {
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    background: #fff;
    transition: all 0.2s;
}

.auth-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px var(--primary-light);
}

.auth-form .btn {
    padding: 12px 16px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    margin-top: 8px;
}

.auth-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
    margin-top: 24px;
}

.auth-links a {
    font-weight: 500;
    color: var(--primary);
}

.auth-links a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.ticket-detail-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 20px;
    align-items: start;
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.ticket-header h2 {
    font-size: 1.2rem;
    margin-bottom: 4px;
}

.ticket-description {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    color: var(--text-secondary);
    line-height: 1.7;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.875rem;
}

.detail-row:last-child {
    border-bottom: none;
}

.chat-box {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 12px;
    max-height: 500px;
    overflow-y: auto;
    padding-right: 4px;
}

.chat-message {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: var(--radius);
    position: relative;
}

.chat-message.left {
    background: #f5f8ff;
    border: 1px solid var(--primary-light);
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

.chat-message.right {
    background: var(--info-bg);
    border: 1px solid var(--info-border);
    align-self: flex-end;
    text-align: right;
    border-bottom-right-radius: 4px;
}

.chat-message strong {
    font-size: 0.85rem;
    color: var(--text);
}

.chat-role {
    font-size: 0.7rem;
    color: var(--muted);
    margin-left: 6px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.chat-message p {
    margin: 4px 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.chat-message small {
    display: block;
    margin-top: 6px;
    font-size: 0.75rem;
}

.attachment-link {
    display: inline-block;
    margin-top: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.chat-form {
    margin-top: 16px;
}

.chat-input-row {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 8px;
    align-items: center;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.timeline-item {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.85rem;
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    margin-top: 6px;
    flex-shrink: 0;
}

.timeline-item strong {
    font-size: 0.8rem;
    color: var(--text);
}

.timeline-item p {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 2px 0;
}

.footer {
    margin-top: auto;
    padding: 20px 0 8px;
    color: var(--muted);
    font-size: 0.8rem;
    text-align: center;
}

.muted {
    color: var(--muted);
}

@media (max-width: 1024px) {
    .cards-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }

    .charts-grid-2 {
        grid-template-columns: 1fr;
    }

    .ticket-detail-grid {
        grid-template-columns: 1fr;
    }

    .ticket-sidebar {
        order: -1;
    }

    .form-grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        box-shadow: var(--shadow-lg);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: flex;
    }

    .main {
        margin-left: 0;
        padding: 14px;
    }

    .card {
        padding: 16px;
    }

    .topbar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-bottom: 18px;
    }

    .topbar-left,
    .topbar-right {
        width: 100%;
    }

    .topbar-right {
        justify-content: flex-start;
    }

    .topbar h1 {
        font-size: 1.2rem;
    }

    .cards-2,
    .cards-3,
    .cards-4 {
        grid-template-columns: 1fr;
    }

    .chat-input-row {
        grid-template-columns: 1fr;
    }

    .table-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .table-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .filters {
        width: 100%;
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .user-pill span:not(.role-badge) {
        display: none;
    }

    .user-pill {
        width: 100%;
        justify-content: space-between;
        border-radius: var(--radius-sm);
        padding: 10px 12px;
    }

    .permissions-grid {
        grid-template-columns: 1fr;
    }

    .filters select,
    .filters .btn,
    .table-actions > .btn,
    .table-actions > a.btn {
        width: 100%;
    }

    .ticket-table-wrap {
        margin: 0;
        padding: 0;
        overflow: visible;
    }

    .responsive-ticket-table {
        margin-top: 12px;
    }

    .responsive-ticket-table,
    .responsive-ticket-table tbody,
    .responsive-ticket-table tr,
    .responsive-ticket-table td {
        display: block;
        width: 100%;
    }

    .responsive-ticket-table thead {
        display: none;
    }

    .responsive-ticket-table tbody {
        display: grid;
        gap: 18px;
    }

    .responsive-ticket-table tr {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 22px;
        padding: 16px;
        box-shadow: var(--shadow-sm);
    }

    .responsive-ticket-table td {
        border-bottom: 1px solid rgba(15, 23, 42, 0.06);
        padding: 10px 0;
        font-size: 0.8rem;
        white-space: normal;
        display: grid;
        grid-template-columns: minmax(122px, 42%) minmax(0, 1fr);
        gap: 12px;
        align-items: center;
        color: var(--text-secondary);
    }

    .responsive-ticket-table td::before {
        content: attr(data-label);
        color: var(--muted);
        font-size: 0.8rem;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        line-height: 1.35;
    }

    .responsive-ticket-table td[colspan] {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .responsive-ticket-table td[colspan]::before {
        content: none;
    }

    .responsive-ticket-table td:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .responsive-ticket-table td strong {
        color: var(--text);
        font-size: 0.8rem;
        line-height: 1.3;
    }

    .responsive-ticket-table td.actions-cell {
        grid-template-columns: 1fr;
        gap: 0;
        padding-top: 12px;
    }

    .responsive-ticket-table td.actions-cell::before {
        content: none;
    }

    .responsive-ticket-table td.actions-cell .btn {
        width: 100%;
        justify-content: center;
        min-height: 40px;
        font-size: 0.8rem;
    }

    .responsive-ticket-table td .badge,
    .responsive-ticket-table td .priority {
        font-size: 0.8rem;
    }

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

    .ticket-header .badge,
    .ticket-header .priority {
        align-self: flex-start;
    }

    .ticket-description {
        margin-top: 12px;
        padding-top: 12px;
    }

    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .chat-box {
        max-height: none;
        padding-right: 0;
    }

    .chat-message {
        max-width: 100%;
        width: 100%;
    }

    .chat-message.right {
        text-align: left;
    }

    .chat-role {
        display: block;
        margin-left: 0;
        margin-top: 2px;
    }

    .auth-layout {
        flex-direction: column;
    }

    .auth-right {
        display: none;
    }

    .auth-left {
        padding: 24px;
        background: linear-gradient(135deg, #f8fbff 0%, #ebf6ff 100%);
    }

    .auth-card {
        background: #fff;
        padding: 32px 24px;
        border-radius: var(--radius);
        box-shadow: var(--shadow-lg);
        border: 1px solid var(--border);
    }

    .pagination {
        justify-content: center;
        gap: 8px;
    }

    .page-info {
        width: 100%;
        margin-left: 0;
        order: 10;
        text-align: center;
    }
}

@media (max-width: 520px) {
    .main {
        padding: 12px;
    }

    .card {
        padding: 14px;
    }

    .sidebar {
        width: min(86vw, 320px);
    }

    .ticket-detail-grid {
        gap: 14px;
    }

    .chat-input-row {
        gap: 10px;
    }

    .responsive-ticket-table td {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        padding: 9px 0;
        border-bottom: 1px solid #e4e4e7 !important;
    }

    .responsive-ticket-table td.actions-cell {
        padding-top: 12px;
        border: none !important;
    }

    .page-btn {
        min-width: 58px;
        height: 44px;
        padding: 0 14px;
    }
}

.pagination {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 16px 0 4px;
    flex-wrap: wrap;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition);
}

.page-btn:hover {
    border-color: var(--primary-border);
    color: var(--primary);
    background: var(--primary-light);
    text-decoration: none;
}

.page-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    cursor: default;
}

.page-gap {
    color: var(--muted);
    padding: 0 4px;
    font-size: 0.85rem;
}

.page-info {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--muted);
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
}

.sidebar-backdrop.show {
    display: block;
}