/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #4F6CFF;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --sidebar-width: 260px;
    --header-height: 70px;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;

    /* Theme colors */
    --bg-color: #f5f5f5;
    --bg-card: #ffffff;
    --bg-hover: #f5f5f5;
    --bg-thead: #f8f9fa;
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #999;
    --border-color: #ddd;
    --border-light: #eee;
    --border-table: #f1f1f1;
    --border-table-head: #dee2e6;
    --spinner-bg: #f3f3f3;
    --bar-track: #f1f1f1;
    --modal-close-color: #999;
    --calendar-border: #e0e0e0;

    /* Badge colors */
    --badge-success-bg: #d4edda;
    --badge-success-color: #155724;
    --badge-warning-bg: #fff3cd;
    --badge-warning-color: #856404;
    --badge-danger-bg: #f8d7da;
    --badge-danger-color: #721c24;
    --badge-info-bg: #d1ecf1;
    --badge-info-color: #0c5460;
    --badge-secondary-bg: #e2e3e5;
    --badge-secondary-color: #383d41;
    --badge-primary-bg: #cfe2ff;
    --badge-primary-color: #084298;

    /* Calendar event colors */
    --cal-cobranca-bg: #cfe2ff;
    --cal-cobranca-color: #084298;
    --cal-vencimento-bg: #fff3cd;
    --cal-vencimento-color: #856404;
    --cal-nova-empresa-bg: #d1ecf1;
    --cal-nova-empresa-color: #0c5460;

    /* Checklist */
    --checklist-checked-bg: #d4edda;

    /* Error message */
    --error-bg: #f8d7da;
    --error-color: #721c24;

    /* Login shadow */
    --login-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    --modal-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Login Screen */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, #6366f1 100%);
}

.login-container {
    background: var(--bg-card);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--login-shadow);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: var(--primary-color);
}

.login-header .logo i {
    font-size: 48px;
}

.login-header h1 {
    font-size: 24px;
    color: var(--text-primary);
}

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

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

.login-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 108, 255, 0.1);
}

.error-message {
    background-color: var(--error-bg);
    color: var(--error-color);
    padding: 10px;
    border-radius: var(--border-radius);
    margin-top: 15px;
    font-size: 14px;
    text-align: center;
}

/* Main Layout */
#mainApp {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-card);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 1000;
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid var(--border-light);
}

.sidebar-header .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 600;
}

.sidebar-header .logo i {
    font-size: 28px;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

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

.nav-item.active {
    background-color: rgba(79, 108, 255, 0.1);
    color: var(--primary-color);
    border-right: 3px solid var(--primary-color);
}

.nav-item i {
    font-size: 18px;
    width: 20px;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-light);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.user-info i {
    font-size: 32px;
    color: var(--primary-color);
}

.user-name {
    font-weight: 600;
    font-size: 14px;
}

.user-role {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: capitalize;
}

/* Main Content */
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 30px;
    background-color: var(--bg-color);
    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: center;
    margin-bottom: 30px;
}

.page-header h2 {
    font-size: 28px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-header h2 i {
    color: var(--primary-color);
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.btn-primary:hover {
    background-color: #3d5ae0;
}

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

.btn-secondary:hover {
    background-color: #5a6268;
}

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

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

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

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

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

/* Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 20px;
}

.metric-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--white);
}

.metric-icon.blue {
    background: linear-gradient(135deg, var(--primary-color), #6366f1);
}

.metric-icon.green {
    background: linear-gradient(135deg, var(--success-color), #20c997);
}

.metric-icon.orange {
    background: linear-gradient(135deg, var(--warning-color), #fd7e14);
}

.metric-icon.red {
    background: linear-gradient(135deg, var(--danger-color), #e83e8c);
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

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

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.dashboard-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.dashboard-card h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.dashboard-card h3 i {
    color: var(--primary-color);
}

.chart-container {
    min-height: 200px;
}

/* Filters */
.filters-card {
    background: var(--bg-card);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 20px;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: end;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 108, 255, 0.1);
}

/* Tables */
.table-container {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow-x: auto;
}

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

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

th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-table-head);
}

td {
    padding: 15px;
    border-bottom: 1px solid var(--border-table);
}

tr:hover {
    background-color: var(--bg-hover);
}

/* Status Badges */
.badge {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    display: inline-block;
}

.badge-success {
    background-color: var(--badge-success-bg);
    color: var(--badge-success-color);
}

.badge-warning {
    background-color: var(--badge-warning-bg);
    color: var(--badge-warning-color);
}

.badge-danger {
    background-color: var(--badge-danger-bg);
    color: var(--badge-danger-color);
}

.badge-info {
    background-color: var(--badge-info-bg);
    color: var(--badge-info-color);
}

.badge-secondary {
    background-color: var(--badge-secondary-bg);
    color: var(--badge-secondary-color);
}

.badge-primary {
    background-color: var(--badge-primary-bg);
    color: var(--badge-primary-color);
}

/* Priority Colors */
.priority-high {
    color: var(--danger-color);
    font-weight: 600;
}

.priority-medium {
    color: var(--warning-color);
    font-weight: 600;
}

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

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination button {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
}

.pagination button:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}

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

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

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

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

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

.modal-content {
    background-color: var(--bg-card);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--modal-shadow);
    animation: slideUp 0.3s ease;
}

.modal-lg {
    max-width: 800px;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 20px;
    color: var(--text-primary);
}

.modal-header .modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--modal-close-color);
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

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

.modal-body {
    padding: 25px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--border-light);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-shrink: 0;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Calendar */
.calendar-controls {
    display: flex;
    align-items: center;
    gap: 15px;
}

.current-month {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    min-width: 200px;
    text-align: center;
}

.calendar {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 20px;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.calendar-day-header {
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    padding: 10px;
    font-size: 14px;
}

.calendar-day {
    aspect-ratio: 1;
    padding: 10px;
    border: 1px solid var(--calendar-border);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    min-height: 80px;
}

.calendar-day:hover {
    background-color: var(--bg-hover);
    border-color: var(--primary-color);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.today {
    background-color: rgba(79, 108, 255, 0.1);
    border-color: var(--primary-color);
    font-weight: 600;
}

.calendar-day-number {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 5px;
}

.calendar-events {
    font-size: 11px;
}

.calendar-event {
    padding: 2px 6px;
    border-radius: 3px;
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.calendar-event.cobranca {
    background-color: var(--cal-cobranca-bg);
    color: var(--cal-cobranca-color);
}

.calendar-event.vencimento {
    background-color: var(--cal-vencimento-bg);
    color: var(--cal-vencimento-color);
}

.calendar-event.nova_empresa {
    background-color: var(--cal-nova-empresa-bg);
    color: var(--cal-nova-empresa-color);
}

/* Checklist */
.checklist-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border: 1px solid var(--calendar-border);
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    transition: var(--transition);
}

.checklist-item:hover {
    background-color: var(--bg-hover);
}

.checklist-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.checklist-item.checked {
    background-color: var(--checklist-checked-bg);
    border-color: var(--success-color);
}

.checklist-item.checked label {
    text-decoration: line-through;
    color: var(--text-secondary);
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: var(--bg-card);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    min-width: 300px;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideInRight 0.3s ease;
}

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

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

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

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

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

.toast i {
    font-size: 20px;
}

.toast.success i {
    color: var(--success-color);
}

.toast.error i {
    color: var(--danger-color);
}

.toast.warning i {
    color: var(--warning-color);
}

.toast.info i {
    color: var(--info-color);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* Action Buttons in Tables */
.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-icon {
    padding: 6px 10px;
    font-size: 14px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 14px;
}

/* Loading Spinner */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

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

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

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: var(--transition);
    }

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

    .main-content {
        margin-left: 0;
        padding: 15px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .metrics-grid,
    .dashboard-grid,
    .filters-grid {
        grid-template-columns: 1fr;
    }

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

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

    .calendar-grid {
        gap: 5px;
    }

    .calendar-day {
        min-height: 60px;
        padding: 5px;
    }
}

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

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* Bar Chart (Daily Sends) */
.bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-around;
    height: 180px;
    padding: 10px 0;
    gap: 8px;
}

.bar-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    height: 100%;
    justify-content: flex-end;
}

.bar-value {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.bar-stack {
    width: 100%;
    max-width: 50px;
    display: flex;
    flex-direction: column;
    border-radius: 4px 4px 0 0;
    overflow: hidden;
    min-height: 4px;
}

.bar-segment.bar-success {
    background: var(--success-color);
}

.bar-segment.bar-error {
    background: var(--danger-color);
}

.bar-label {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 6px;
    text-align: center;
    text-transform: capitalize;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 10px 0 0;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

/* Donut Chart */
.donut-chart-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 10px 0;
}

.donut-chart {
    flex-shrink: 0;
}

.donut-legend {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.donut-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

/* Horizontal Bar Chart (Process Types) */
.horizontal-bar-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-table);
}

.horizontal-bar-label {
    width: 180px;
    font-size: 13px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.horizontal-bar-track {
    flex: 1;
    height: 22px;
    background: var(--bar-track);
    border-radius: 4px;
    overflow: hidden;
}

.horizontal-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), #6366f1);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.horizontal-bar-value {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    width: 30px;
    text-align: right;
}

/* Bulk Actions Bar */
.bulk-actions-bar {
    background: var(--bg-card);
    padding: 12px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideUp 0.2s ease;
}

.bulk-actions-bar span {
    font-weight: 600;
    color: var(--primary-color);
    margin-right: 10px;
}

/* Row checkbox styling */
.row-checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

#selectAllCheckbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Dark Mode Theme */
[data-theme="dark"] {
    --bg-color: #1a1a2e;
    --bg-card: #16213e;
    --bg-hover: #1a1a3e;
    --bg-thead: #1e2a4a;
    --text-primary: #e0e0e0;
    --text-secondary: #aaa;
    --text-muted: #777;
    --border-color: #2a2a4a;
    --border-light: #2a2a4a;
    --border-table: #2a2a4a;
    --border-table-head: #3a3a5a;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --spinner-bg: #2a2a4a;
    --bar-track: #2a2a4a;
    --modal-close-color: #888;
    --calendar-border: #2a2a4a;
    --white: #16213e;
    --dark-color: #e0e0e0;
    --light-color: #1e2a4a;

    /* Badge colors - darker backgrounds, lighter text */
    --badge-success-bg: #1a4a2e;
    --badge-success-color: #6dd894;
    --badge-warning-bg: #4a3a1a;
    --badge-warning-color: #ffd966;
    --badge-danger-bg: #4a1a1e;
    --badge-danger-color: #f08080;
    --badge-info-bg: #1a3a4a;
    --badge-info-color: #6dcce0;
    --badge-secondary-bg: #2a2a3e;
    --badge-secondary-color: #aaa;
    --badge-primary-bg: #1a2a4a;
    --badge-primary-color: #7da2ff;

    /* Calendar event colors */
    --cal-cobranca-bg: #1a2a4a;
    --cal-cobranca-color: #7da2ff;
    --cal-vencimento-bg: #4a3a1a;
    --cal-vencimento-color: #ffd966;
    --cal-nova-empresa-bg: #1a3a4a;
    --cal-nova-empresa-color: #6dcce0;

    /* Checklist */
    --checklist-checked-bg: #1a4a2e;

    /* Error message */
    --error-bg: #4a1a1e;
    --error-color: #f08080;

    /* Shadows */
    --login-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    --modal-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .login-screen {
    background: linear-gradient(135deg, #1a1a3e 0%, #2d1b69 100%);
}

[data-theme="dark"] .btn-warning {
    color: #1a1a2e;
}

[data-theme="dark"] .nav-item.active {
    background-color: rgba(79, 108, 255, 0.15);
}

[data-theme="dark"] .calendar-day.today {
    background-color: rgba(79, 108, 255, 0.2);
}

/* Dark mode toggle button */
.dark-mode-toggle {
    width: 100%;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-size: 13px;
}

.dark-mode-toggle:hover {
    background: var(--primary-color);
    color: var(--white);
    border-color: var(--primary-color);
}