/* Modern Professional Dashboard CSS */

:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --success: #48bb78;
    --warning: #f59e0b;
    --danger: #f56565;
    --info: #4299e1;
    --purple: #8b5cf6;
    
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #a0aec0;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f7fafc;
    --bg-tertiary: #edf2f7;
    
    --border: #e2e8f0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    --sidebar-width: 260px;
    --topbar-height: 60px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Expiry Banner */
.expiry-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
    color: white;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    z-index: 10000;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

.expiry-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.expiry-content i.fa-exclamation-triangle {
    font-size: 1.5rem;
}

.expiry-text {
    flex: 1;
}

.expiry-text strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.expiry-text p {
    margin: 0;
    opacity: 0.95;
}

.btn-warning {
    background: white;
    color: var(--warning);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-dismiss {
    background: transparent;
    border: 2px solid white;
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.btn-dismiss:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hidden {
    display: none !important;
}

/* Login Screen */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
}

.login-card {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 450px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-secondary);
}

/* Dashboard Layout */
.dashboard {
    display: flex;
    min-height: 100vh;
}

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

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-header i {
    font-size: 1.5rem;
    color: var(--primary);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    margin-bottom: 0.5rem;
    font-weight: 500;
}

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

.nav-item.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
}

.user-info i {
    font-size: 2rem;
    color: var(--text-muted);
}

.user-info div {
    flex: 1;
    min-width: 0;
}

.user-info strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

.btn-logout {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
    font-weight: 500;
}

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

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem;
    min-height: 100vh;
}

.page {
    display: none;
}

.page.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

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

/* Cards */
.card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
}

.card h3 {
    margin-bottom: 1.25rem;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-header h3 {
    margin: 0;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.form-input,
.form-input-sm,
select.form-input,
textarea.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-input:focus,
select.form-input:focus,
textarea.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input-sm {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
}

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    left: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.input-icon input {
    padding-left: 2.75rem;
}

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

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-block {
    width: 100%;
}

/* Events Grid */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.event-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border);
}

.event-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

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

.event-card-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0;
}

.event-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.event-status.active {
    background: #d1fae5;
    color: #065f46;
}

.event-status.draft {
    background: #fef3c7;
    color: #92400e;
}

.event-status.closed {
    background: #fee2e2;
    color: #991b1b;
}

.event-card p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.event-meta {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.event-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.event-meta-item i {
    color: var(--primary);
    width: 16px;
}

.event-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
    margin-bottom: 1rem;
}

.event-stat {
    text-align: center;
}

.event-stat strong {
    display: block;
    font-size: 1.5rem;
    color: var(--primary);
}

.event-stat span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Ticket Types Grid */
.ticket-types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.ticket-type-card {
    padding: 1rem;
    border: 2px solid var(--border);
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.ticket-type-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.ticket-type-card.selected {
    border-color: var(--primary);
    background: rgba(102, 126, 234, 0.05);
}

.ticket-type-card h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.ticket-type-card .price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.ticket-type-card .available {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Custom Ticket Type */
.ticket-type-card.custom {
    border-color: var(--warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05) 0%, rgba(245, 158, 11, 0.1) 100%);
}

.ticket-type-card.custom.selected {
    border-color: var(--warning);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.15) 100%);
}

.custom-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--warning);
    color: white;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    letter-spacing: 0.5px;
}

.custom-ticket-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

/* Ticket Actions */
.ticket-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
}

.btn-icon:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-icon.resend {
    color: var(--info);
}

.btn-icon.resend:hover {
    background: var(--info);
    color: white;
    border-color: var(--info);
}

.btn-icon.edit {
    color: var(--warning);
}

.btn-icon.edit:hover {
    background: var(--warning);
    color: white;
    border-color: var(--warning);
}

.btn-icon.delete {
    color: var(--danger);
}

.btn-icon.delete:hover {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

.ticket-type-card.custom {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-color: var(--warning);
}

.ticket-type-card.custom:hover {
    border-color: var(--warning);
    transform: translateY(-2px);
}

.ticket-type-card.custom.selected {
    border-color: var(--warning);
    background: linear-gradient(135deg, #fde68a 0%, #fcd34d 100%);
}

.ticket-type-card .custom-badge {
    display: inline-block;
    background: var(--warning);
    color: white;
    font-size: 0.7rem;
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

/* Custom Ticket Section */
.custom-ticket-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px dashed var(--border);
}

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

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-details h3 {
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.stat-details p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

thead {
    background: var(--bg-secondary);
}

th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    border-bottom: 2px solid var(--border);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

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

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
}

.btn-icon.resend {
    background: var(--info);
    color: white;
}

.btn-icon.resend:hover {
    background: #3182ce;
    transform: translateY(-2px);
}

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

.btn-icon.edit:hover {
    background: #dd6b20;
    transform: translateY(-2px);
}

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

.btn-icon.delete:hover {
    background: #e53e3e;
    transform: translateY(-2px);
}

.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.status-badge.active {
    background: #d1fae5;
    color: #065f46;
}

.status-badge.used {
    background: #dbeafe;
    color: #1e40af;
}

.status-badge.cancelled {
    background: #fee2e2;
    color: #991b1b;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.page-btn {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    min-width: 40px;
    text-align: center;
}

.page-btn:hover:not(.active):not(:disabled) {
    background: var(--bg-secondary);
}

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

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Backup Page */
.backup-status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.backup-stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.backup-stat i {
    font-size: 2rem;
    color: var(--primary);
}

.backup-stat strong {
    display: block;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.backup-stat span {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.backup-section {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.backup-icon {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
}

.backup-icon.export {
    background: linear-gradient(135deg, var(--success) 0%, #38a169 100%);
}

.backup-icon.import {
    background: linear-gradient(135deg, var(--warning) 0%, #dd6b20 100%);
}

.backup-info {
    flex: 1;
}

.backup-info h3 {
    margin-bottom: 0.5rem;
}

.backup-info p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.warning-text {
    color: var(--warning);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.backup-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.selected-file {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Renewal Steps */
.renewal-steps {
    display: grid;
    gap: 1.5rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.step-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

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

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-content form {
    padding: 1.5rem;
}

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

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    gap: 0.75rem;
    z-index: 10000;
    min-width: 300px;
    animation: toastSlideIn 0.3s ease;
}

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

.toast.show {
    display: flex;
}

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

.toast.error {
    border-left: 4px solid var(--danger);
}

.toast.warning {
    border-left: 4px solid var(--warning);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.loading-state i {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

/* Filter Controls */
.filter-controls {
    display: flex;
    gap: 0.75rem;
}

/* Error Message */
.error-msg {
    color: var(--danger);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --sidebar-width: 240px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .page-header {
        flex-direction: column;
    }
    
    .stats-grid,
    .events-grid {
        grid-template-columns: 1fr;
    }
    
    .backup-section {
        flex-direction: column;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-content {
        padding: 1rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .modal {
        padding: 1rem;
    }
    
    .toast {
        right: 1rem;
        bottom: 1rem;
        min-width: auto;
        max-width: calc(100% - 2rem);
    }
}
/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 10001;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: var(--primary);
    color: white;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.mobile-menu-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

/* Mobile Sidebar Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        padding: 5rem 1rem 1rem 1rem;
    }