:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    /* Dark theme colors */
    --bg-primary: #0b0b0b;
    --bg-secondary: #27293d;
    --bg-tertiary: #2d2f44;
    --bg-quaternary: #36384d;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --text-light: #71717a;
    --border-color: #3f3f46;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    --radius: 12px;
    --radius-sm: 8px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #000000;
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
}

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

/* Header Styles */
.header {
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    margin-bottom: 30px;
    padding: 20px 30px;
}

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

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

.logo-img {
    height: 50px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
}

.logo-section h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

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

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

.btn-settings {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.btn-settings:hover {
    background: var(--bg-quaternary);
    transform: scale(1.05);
}

.btn-logout {
    padding: 8px 16px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-logout:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.user-avatar:hover {
    background: var(--bg-secondary);
    transform: scale(1.05);
}

/* Main Content */
.main-content {
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 40px;
}

.page-header {
    margin-bottom: 30px;
}

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

.page-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.page-header p {
    font-size: 16px;
    color: var(--text-secondary);
}

/* Header Actions Container */
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Unpaid Total Card */
.unpaid-total-card {
    display: flex;
    align-items: center;
    gap: 25px;
    padding: 5px 5px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(220, 38, 38, 0.15) 100%);
    border: 2px solid rgba(239, 68, 68, 0.5);
    border-radius: 50px;
    box-shadow: var(--shadow-md);
    min-width: 280px;
    transition: all 0.3s ease;
}

.unpaid-total-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.unpaid-total-icon {
    width: 48px;
    height: 48px;
    background: rgba(239, 68, 68, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--danger-color);
    flex-shrink: 0;
}

.unpaid-total-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.unpaid-total-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--danger-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.unpaid-total-amount {
    font-size: 24px;
    font-weight: 700;
    color: var(--danger-color);
    line-height: 1.2;
}

/* Payment Button */
.btn-payment {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 28px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    height: fit-content;
}

.btn-payment:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

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

.btn-payment svg,
.btn-payment img {
    flex-shrink: 0;
}

.btn-payment-icon {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

/* Loading State */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--bg-tertiary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-container p {
    font-size: 16px;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    color: var(--text-light);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 16px;
}

/* Table Controls */
.table-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    flex-wrap: wrap;
    gap: 16px;
}

.items-per-page-control {
    display: flex;
    align-items: center;
    gap: 12px;
}

.items-per-page-control label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.items-select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 80px;
}

.items-select:hover {
    border-color: var(--primary-color);
}

.items-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

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

.pagination-info {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Table Container */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    background: var(--bg-primary);
    margin-bottom: 20px;
}

/* Invoice Table */
.invoice-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
    border-spacing: 0;
    table-layout: auto;
}

.invoice-table thead {
    background: var(--bg-tertiary);
}

.invoice-table th {
    padding: 16px 20px;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
    border-top: none;
    vertical-align: middle;
}

.invoice-table th:first-child {
    padding-left: 20px;
}

.invoice-table th:last-child {
    padding-right: 20px;
}

.invoice-table td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: middle;
    border-top: none;
    height: auto;
    box-sizing: border-box;
}

.invoice-table td:first-child {
    padding-left: 20px;
}

.invoice-table td:last-child {
    padding-right: 20px;
}

/* Ensure consistent row height and styling */
.invoice-table tbody tr {
    height: auto;
    min-height: 68px;
    box-sizing: border-box;
    transition: all 0.2s ease;
    cursor: pointer;
    border-top: 1px solid transparent;
}

.invoice-table tbody tr td {
    height: 100%;
    vertical-align: middle;
}

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

.invoice-table tbody tr:first-child td {
    border-top: none;
}

/* Keep border on last row for consistency */
.invoice-table tbody tr:last-child td {
    border-bottom: 1px solid var(--border-color);
}

.invoice-month strong {
    font-size: 16px;
    color: var(--text-primary);
}

.invoice-id {
    font-size: 14px;
    color: var(--text-secondary);
    font-family: monospace;
}

.invoice-total {
    font-size: 16px;
    color: var(--text-primary);
}

.btn-view {
    padding: 8px 16px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    line-height: 1.4;
    display: inline-block;
    vertical-align: middle;
}

.btn-view:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.action-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    text-align: center;
    vertical-align: middle;
    box-sizing: border-box;
    padding: 16px 20px !important;
}

.invoice-download-cell {
    text-align: center;
    vertical-align: middle;
    box-sizing: border-box;
    padding: 16px 20px !important;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    line-height: 1.4;
    vertical-align: middle;
}

.btn-download:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-download:disabled,
.btn-download.disabled {
    background: var(--bg-tertiary);
    color: var(--text-light);
    border: 1px solid var(--border-color);
    opacity: 0.7;
    cursor: not-allowed;
    pointer-events: none;
}

.btn-download:disabled:hover,
.btn-download.disabled:hover {
    background: var(--bg-tertiary);
    color: var(--text-light);
    transform: none;
    box-shadow: none;
}

.btn-download:disabled svg,
.btn-download.disabled svg {
    color: var(--text-light);
}

.btn-download svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.unpaid {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger-color);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-badge.pending {
    background: rgba(245, 158, 11, 0.15);
    color: var(--warning-color);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-badge.paid {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Payment Modal Styles */
.payment-modal-content {
    max-width: 600px;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
    overflow: hidden;
}

.payment-modal-content .modal-header {
    flex-shrink: 0;
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 10;
    border-bottom: 1px solid var(--border-color);
}

.payment-modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.payment-modal-content .payment-modal-footer {
    flex-shrink: 0;
    position: sticky;
    bottom: 0;
    background: var(--bg-tertiary);
    z-index: 10;
}

.payment-info {
    text-align: center;
    margin-bottom: 24px;
}

.payment-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}

.payment-icon-img {
    width: 120px;
    height: auto;
    max-width: 100%;
    object-fit: contain;
}

.payment-description {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.6;
}

.payment-description strong {
    color: var(--primary-color);
    font-weight: 600;
}

.payment-summary {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 24px;
}

.payment-summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

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

.payment-summary-item.total {
    border-top: 2px solid var(--border-color);
    padding-top: 16px;
    margin-top: 8px;
}

.payment-summary-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.payment-summary-value {
    font-size: 16px;
    color: var(--text-primary);
    font-weight: 600;
}

.payment-summary-item.total .payment-summary-label {
    font-size: 18px;
    color: var(--text-primary);
    font-weight: 600;
}

.payment-summary-item.total .payment-summary-value {
    font-size: 24px;
    color: var(--primary-color);
    font-weight: 700;
}

.payment-invoices-list {
    margin-top: 24px;
}

.payment-invoices-list h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.payment-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 16px;
}

.payment-loading .spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.payment-loading p {
    color: var(--text-secondary);
    font-size: 16px;
}

.payment-qr-container {
    text-align: center;
}

.payment-qr-container h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.qr-code-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 24px;
    background: rgb(255, 255, 255);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    margin: 24px 0;
}

.qr-code-image {
    max-width: 300px;
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.payment-status {
    margin: 20px 0;
}

.payment-status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.status-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.payment-note {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 16px;
    line-height: 1.6;
}

.payment-countdown {
    margin: 16px 0;
    padding: 12px;
    background-color: var(--bg-secondary);
    border-radius: 8px;
    text-align: center;
}

.payment-countdown .payment-note {
    margin: 0;
    font-size: 14px;
    color: var(--text-primary);
}

.payment-countdown #countdown-timer {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    font-family: 'Courier New', monospace;
}

.payment-countdown #countdown-timer {
    transition: color 0.3s ease;
}

.payment-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
    gap: 20px;
}

.success-icon {
    width: 80px;
    height: 80px;
    background: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 16px;
}

.payment-success h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.payment-success p {
    font-size: 16px;
    color: var(--text-secondary);
    margin: 8px 0;
}

/* Error Modal Styles */
.error-modal-content {
    max-width: 500px;
    display: flex;
    flex-direction: column;
}

.error-modal-body {
    padding: 32px 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.error-icon {
    width: 80px;
    height: 80px;
    background: rgba(239, 68, 68, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--danger-color);
    margin-bottom: 8px;
}

.error-icon svg {
    width: 48px;
    height: 48px;
}

.error-modal-body p {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
}

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

.btn-confirm-error {
    padding: 10px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-confirm-error:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

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

.invoice-list {
    list-style: none;
    padding: 0;
    margin: 0;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 12px;
    max-height: 200px;
    overflow-y: auto;
}

.invoice-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
}

.invoice-list li:last-child {
    border-bottom: none;
}

.invoice-list .invoice-month {
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

.invoice-list .invoice-amount {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 600;
}

.payment-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    border-radius: 0 0 var(--radius) var(--radius);
}

.btn-cancel {
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-cancel:hover {
    background: var(--bg-secondary);
    border-color: var(--text-secondary);
}

.btn-confirm-payment {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary-color);
    color: white;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-confirm-payment:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-confirm-payment svg {
    width: 20px;
    height: 20px;
}

/* Responsive for payment modal */
@media (max-width: 768px) {
    .payment-modal-content {
        max-width: 95%;
    }
    
    .payment-modal-body {
        padding: 20px;
    }
    
    .payment-modal-footer {
        flex-direction: column-reverse;
    }
    
    .btn-cancel,
    .btn-confirm-payment {
        width: 100%;
        justify-content: center;
    }
    
    .payment-summary-item.total .payment-summary-value {
        font-size: 20px;
    }
}

/* Traffic Detail Modal Styles */
.traffic-modal-content {
    max-width: 800px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
}

.traffic-modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.traffic-summary {
    display: flex;
    gap: 40px;
    margin-bottom: 24px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    align-items: center;
}

.traffic-summary-item {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.traffic-summary-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.traffic-summary-value {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-color);
    white-space: nowrap;
}

.traffic-list-container {
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
}

.traffic-detail-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-primary);
}

.traffic-detail-table thead {
    position: sticky;
    top: 0;
    background: var(--bg-tertiary);
    z-index: 10;
}

.traffic-detail-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.traffic-detail-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 14px;
}

.traffic-detail-table tbody tr:hover {
    background: var(--bg-secondary);
}

.traffic-detail-table tbody tr:last-child td {
    border-bottom: none;
}

.traffic-hits {
    font-weight: 600;
    color: var(--primary-color);
    text-align: right;
}

.loading-traffic {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    gap: 16px;
}

.loading-traffic .spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-traffic p {
    color: var(--text-secondary);
    font-size: 14px;
}

.traffic-empty,
.traffic-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    gap: 16px;
}

.traffic-empty svg,
.traffic-error svg {
    color: var(--text-light);
}

.traffic-empty p,
.traffic-error p {
    color: var(--text-secondary);
    font-size: 16px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Modal / Floating Window */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    padding: 20px;
}

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

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}


.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 30px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    transform: rotate(90deg);
}

.modal-body {
    padding: 30px;
}

/* Invoice Details in Modal */
.invoice-details-modal {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.invoice-info-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.invoice-info-header h4 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.invoice-id-text {
    font-size: 14px;
    color: var(--text-secondary);
    font-family: monospace;
}

.details-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.detail-item:hover {
    background: var(--bg-secondary);
    transform: translateX(4px);
}

.detail-label {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label .label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.detail-label .sub-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.detail-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.btn-traffic-detail {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    line-height: 1.4;
}

.btn-traffic-detail:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-traffic-detail svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.total-section-modal {
    padding: 24px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
}

.total-section-modal .label {
    font-size: 20px;
    font-weight: 600;
    color: white;
}

.total-section-modal .value {
    font-size: 28px;
    font-weight: 700;
    color: white;
}

/* Pagination */
.pagination-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

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

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 44px;
    justify-content: center;
}

.pagination-btn:hover:not(.disabled):not(.active) {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

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

.pagination-btn.page-number {
    min-width: 44px;
    padding: 10px;
}

.pagination-ellipsis {
    padding: 10px 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Utility Classes */
.text-right {
    text-align: right;
}

.mt-1 {
    margin-top: 8px;
}

.mt-2 {
    margin-top: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }

    .header {
        padding: 16px 20px;
    }

    .logo-section h1 {
        font-size: 20px;
    }

    .main-content {
        padding: 24px 20px;
    }

    .page-header-main {
        flex-direction: column;
    }

    .page-header h2 {
        font-size: 24px;
    }

    .header-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }

    .unpaid-total-card {
        width: 100%;
        min-width: auto;
    }

    .btn-payment {
        width: 100%;
        padding: 14px 24px;
    }

    .invoice-table {
        font-size: 14px;
    }

    .invoice-table th,
    .invoice-table td {
        padding: 12px 12px;
        border-bottom: 1px solid var(--border-color);
    }

    .invoice-table th {
        border-bottom: 2px solid var(--border-color);
    }

    .invoice-table th:first-child,
    .invoice-table td:first-child {
        padding-left: 16px;
    }

    .invoice-table th:last-child,
    .invoice-table td:last-child {
        padding-right: 16px;
    }

    .invoice-table tbody tr:last-child td {
        border-bottom: 1px solid var(--border-color);
    }

    .btn-view {
        padding: 6px 12px;
        font-size: 12px;
    }

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

    .pagination-info {
        width: 100%;
        text-align: left;
    }

    .pagination {
        gap: 4px;
    }

    .pagination-btn {
        padding: 8px 12px;
        font-size: 13px;
        min-width: 40px;
    }

    .pagination-btn.page-number {
        min-width: 40px;
        padding: 8px;
    }

    .modal-content {
        max-width: 100%;
        margin: 10px;
    }

    .modal-header {
        padding: 20px;
    }

    .modal-header h3 {
        font-size: 20px;
    }

    .modal-body {
        padding: 20px;
    }

    .invoice-info-header {
        flex-direction: column;
        gap: 12px;
    }

    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .detail-value {
        width: 100%;
        text-align: right;
        flex-direction: column;
        align-items: flex-end;
        gap: 8px;
    }

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

    .traffic-modal-content {
        max-width: 95%;
        max-height: 95vh;
    }

    .traffic-modal-body {
        padding: 16px;
    }

    .traffic-summary {
        flex-direction: column;
        gap: 16px;
        align-items: stretch;
    }

    .traffic-summary-item {
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }

    .traffic-list-container {
        max-height: 400px;
    }

    .traffic-detail-table th,
    .traffic-detail-table td {
        padding: 10px 12px;
        font-size: 13px;
    }

    .total-section-modal {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        padding: 20px;
    }

    .total-section-modal .value {
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .logo-section h1 {
        font-size: 18px;
    }

    .main-content {
        padding: 20px 16px;
    }

    .page-header-main {
        flex-direction: column;
    }

    .page-header h2 {
        font-size: 20px;
    }

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

    .unpaid-total-card {
        padding: 16px 20px;
        min-width: auto;
    }

    .unpaid-total-icon {
        width: 40px;
        height: 40px;
    }

    .unpaid-total-amount {
        font-size: 20px;
    }

    .btn-payment {
        width: 100%;
        padding: 14px 20px;
        font-size: 15px;
    }

    .invoice-table {
        font-size: 12px;
    }

    .invoice-table th,
    .invoice-table td {
        padding: 10px 8px;
    }

    .invoice-table thead {
        display: none;
    }

    .invoice-table tbody tr {
        display: block;
        margin-bottom: 16px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-sm);
        padding: 12px;
        background: var(--bg-secondary);
    }

    .invoice-table tbody td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .invoice-table tbody td:last-child {
        border-bottom: none;
    }

    .invoice-table tbody td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        margin-right: 12px;
    }

    .action-buttons {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }

    .invoice-download-cell {
        text-align: center;
    }

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

    .modal-overlay {
        padding: 10px;
    }

    .modal-header {
        padding: 16px;
    }

    .modal-header h3 {
        font-size: 18px;
    }

    .modal-body {
        padding: 16px;
    }

    .total-section-modal .value {
        font-size: 20px;
    }

    .table-controls {
        padding: 12px 16px;
    }

    .items-per-page-control {
        width: 100%;
        justify-content: space-between;
    }

    .pagination-info {
        width: 100%;
        margin-top: 8px;
    }

    .pagination-btn {
        padding: 8px 10px;
        font-size: 12px;
        min-width: 36px;
    }

    .pagination-btn span {
        display: none;
    }

    .pagination-btn svg {
        margin: 0;
    }
}

/* Login & Settings Modal Styles */
.login-modal-content,
.settings-modal-content {
    max-width: 400px;
}

.login-modal-body,
.settings-modal-body {
    padding: 24px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text-primary);
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group input::placeholder {
    color: var(--text-secondary);
}

.error-message {
    padding: 12px;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger-color);
    border-radius: var(--radius);
    color: var(--danger-color);
    font-size: 14px;
    margin-bottom: 16px;
}

.success-message {
    padding: 12px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success-color);
    border-radius: var(--radius);
    color: var(--success-color);
    font-size: 14px;
    margin-bottom: 16px;
}

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

.btn-login,
.btn-save {
    padding: 12px 24px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-login:hover,
.btn-save:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}

.btn-login:disabled,
.btn-save:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}