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

:root {
    /* Paleta de Cores Profissional e Limpa */
    --color-bg: #f4f7f9; /* Fundo muito claro */
    --color-card: #ffffff; /* Cartões brancos */
    --color-text: #333333; /* Texto escuro */
    --color-text-secondary: #6c757d; /* Texto secundário cinza */
    --color-border: #dee2e6; /* Borda clara */
    --color-primary: #007bff; /* Azul primário padrão */
    --color-primary-light: #e9f3ff; /* Azul claro para hover/ativo */
    --color-success: #28a745; /* Verde sucesso */
    --color-error: #dc3545; /* Vermelho erro */
    --color-warning: #ffc107; /* Amarelo aviso */
    --color-shadow: rgba(0, 0, 0, 0.08); /* Sombra mais suave */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --sidebar-width: 280px;
    --sidebar-width-mobile: 250px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh; /* Usar min-height para permitir que o conteúdo se estenda */
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--color-card);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    box-shadow: 1px 0 3px var(--color-shadow);
    transition: var(--transition);
    min-height: 0;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-primary); /* Linha de destaque */
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary); /* Usar a cor primária para o logo */
    text-shadow: none; /* Remover o efeito neon */
    margin: 0;
}

.sidebar-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    padding: var(--spacing-sm);
    z-index: 1001; /* Garantir que o botão fique acima de outros elementos */
}

.mobile-header .sidebar-toggle {
    display: flex; /* Garantir que o botão no mobile-header seja sempre visível no mobile */
}

.mobile-header {
    display: none; /* Esconder no desktop */
}

.nav-menu {
    list-style: none;
    flex: 1;
    padding: var(--spacing-md) 0;
    overflow-y: auto; /* Adicionado para permitir a rolagem do conteúdo do menu */
}

.nav-menu li {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.nav-link:hover {
    background-color: var(--color-primary-light); /* Usar a cor primária clara para o hover */
    color: var(--color-primary);
}

.nav-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border-left: 4px solid var(--color-primary);
    padding-left: calc(var(--spacing-lg) - 4px);
    box-shadow: none; /* Remover o efeito de brilho */
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-md);
}

/* Esconder os itens de menu de Configurações e Modo Escuro no desktop */
.menu-item-settings,
.menu-item-theme {
    display: none;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative; /* Para garantir que o z-index funcione corretamente */
}

.page {
    display: none;
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    -webkit-overflow-scrolling: touch; /* Melhorar o scroll em iOS */
}

.page.active {
    display: flex;
    flex-direction: column;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.page-header h2 {
    font-size: 28px;
    font-weight: 700;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.period-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.period-selector label {
    font-weight: 500;
    font-size: 14px;
}

.period-selector select,
.search-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-card);
    color: var(--color-text);
    font-family: inherit;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.period-selector select:hover,
.search-input:hover {
    border-color: var(--color-primary);
}

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

.search-input {
    min-width: 200px;
}

/* Checkbox Label */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    user-select: none;
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
}

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

.checkbox-label input[type="checkbox"]:checked + span .refresh-icon {
    animation: spin 1s linear infinite;
    color: var(--color-warning);
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Buttons */
button {
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: 600;
    width: 100%;
    margin-top: var(--spacing-md);
}

.btn-primary:hover {
    background-color: #0056b3; /* Um tom mais escuro do azul primário */
    box-shadow: 0 2px 8px var(--color-shadow);
}

.btn-primary:disabled {
    background-color: #ccc;
    cursor: not-allowed;
}

.btn-settings,
.btn-filter,
.btn-close {
    background: transparent;
    color: var(--color-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.btn-settings:hover,
.btn-filter:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

.btn-close {
    font-size: 24px;
    color: var(--color-text-secondary);
}

.btn-close:hover {
    color: var(--color-text);
}

.btn-toggle {
    position: relative;
    width: 50px;
    height: 28px;
    background-color: #ccc;
    border-radius: 14px;
    cursor: pointer;
    transition: var(--transition);
}

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



.btn-toggle.active::after {
    left: 24px;
}

.btn-toggle::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    background-color: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: var(--transition);
}

.btn-toggle.active::after {
    left: 24px;
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    color: var(--color-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.theme-toggle:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
}

/* Dashboard Content */
.dashboard-content {
    flex: 1;
    overflow-y: auto;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat-card {
    background-color: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px var(--color-shadow);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
}

.stat-icon.success {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--color-success);
}

.stat-icon.error {
    background-color: rgba(244, 67, 54, 0.2);
    color: var(--color-error);
}

.stat-icon.total {
    background-color: rgba(30, 124, 232, 0.2);
    color: var(--color-primary);
}

.stat-content {
    flex: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

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

.charts-grid {
    display: grid;
    /* Forçar 2 colunas no desktop para evitar sobreposição */
    grid-template-columns: repeat(2, 1fr); 
    gap: var(--spacing-lg);
}

.chart-card {
    background-color: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px var(--color-shadow);
    padding: var(--spacing-lg);
}

.chart-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.chart-container {
    position: relative;
    height: 300px;
    width: 100%; /* Garantir que o Chart.js use 100% da largura do pai */
}

/* Recent Executions */
.recent-executions-card {
    background-color: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px var(--color-shadow);
    padding: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.recent-executions-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.recent-executions-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.execution-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    transition: var(--transition);
}

.execution-item:hover {
    background-color: var(--color-primary-light);
}

.execution-info {
    flex: 1;
}

.execution-name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.execution-time {
    font-size: 12px;
    color: var(--color-text-secondary);
}

.execution-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    white-space: nowrap;
}

.execution-status.success {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--color-success);
}

.execution-status.error {
    background-color: rgba(244, 67, 54, 0.2);
    color: var(--color-error);
}

.execution-status.running {
    background-color: rgba(255, 152, 0, 0.2);
    color: var(--color-warning);
}

/* Date Range Picker */
.date-range-picker {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.date-range-picker input[type="date"] {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 14px;
    background-color: var(--color-card);
    color: var(--color-text);
}

.date-range-picker input[type="date"]:focus {
    outline: none;
    border-color: var(--color-primary);
}

.date-range-picker span {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-small:hover {
    background-color: #1565c0;
}

/* Workflow Filters */
.workflows-filters {
    display: flex;
    gap: var(--spacing-md);
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 14px;
    background-color: var(--color-card);
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.workflow-last-execution {
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}

/* Workflows Content */
.workflows-content {
    flex: 1;
    overflow-y: auto;
}

.workflows-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.workflow-card {
    background-color: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: 0 1px 3px var(--color-shadow);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.workflow-card:hover {
    box-shadow: 0 4px 12px var(--color-shadow);
}

.workflow-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.workflow-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
    word-break: break-word;
    flex: 1;
}

.workflow-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 4px;
    white-space: nowrap;
}

.workflow-status.active {
    background-color: rgba(76, 175, 80, 0.2);
    color: var(--color-success);
}

.workflow-status.inactive {
    background-color: rgba(244, 67, 54, 0.2);
    color: var(--color-error);
}

.workflow-id {
    font-size: 12px;
    color: var(--color-text-secondary);
    font-family: 'Courier New', monospace;
    margin-bottom: var(--spacing-md);
    word-break: break-all;
}

.workflow-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.workflow-toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 13px;
    font-weight: 500;
}

.workflow-toggle-label input[type="checkbox"] {
    display: none;
}

/* Loading, Error, Empty States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.spinner {
    animation: spin 1s linear infinite;
    color: var(--color-primary);
}

.error {
    background-color: #ffebee;
    color: var(--color-error);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
}

.empty {
    color: var(--color-text-secondary);
    font-size: 16px;
    text-align: center;
    padding: var(--spacing-lg);
}

.message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
}

.message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background-color: var(--color-card);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.modal-body {
    padding: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 14px;
    background-color: var(--color-card);
    color: var(--color-text);
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

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

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }

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

    .workflows-list {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    /* Corrigir o layout dos gráficos para 1 coluna em mobile */
    .charts-grid {
        grid-template-columns: 1fr;
    }
    /* Esconder os botões do footer no mobile */
    .sidebar-footer {
        display: none;
    }

    /* Mostrar os itens de menu de Configurações e Modo Escuro no mobile */
    .menu-item-settings,
    .menu-item-theme {
        display: block;
    }
    :root {
        --sidebar-width: 0;
    }

    .app-container {
        flex-direction: column;
        min-height: 100vh; /* Manter min-height para evitar problemas de altura */
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        width: var(--sidebar-width-mobile);
        height: 100vh;
        z-index: 999;
        transform: translateX(-100%);
        transition: var(--transition);
        box-shadow: 4px 0 15px rgba(0, 0, 0, 0.5); /* Sombra mais dramática */
        background-color: #1a1a1a; /* Fundo mais escuro para visual tech */
    }

    body.dark-mode .sidebar {
        background-color: #1a1a1a;
    }

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

    .sidebar-toggle {
        /* Remover esta regra para evitar conflito, pois a regra .mobile-header .sidebar-toggle já garante a exibição */
    }

    .sidebar .sidebar-toggle {
        display: none; /* Esconder o toggle dentro do sidebar no mobile */
    }

    .mobile-header {
        display: flex; /* Mostrar o header mobile */
        background-color: #1a1a1a; /* Fundo escuro para o header mobile */
        border-bottom: 1px solid var(--color-primary); /* Linha de destaque */
        height: 60px; /* Altura fixa para o header mobile */
    }

    body.dark-mode .mobile-header {
        background-color: #1a1a1a;
    }

    .main-content {
        width: 100%;
    }

    /* Adicionar um header visível no mobile para o toggle do menu */
    .mobile-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-md) var(--spacing-lg);
        background-color: var(--color-card);
        border-bottom: 1px solid var(--color-border);
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 997; /* Abaixo do sidebar (999) e do toggle (1001) */
    }

    .mobile-header .logo {
        font-size: 20px;
    }

    .page {
        padding-top: 60px; /* Adicionar padding para o header mobile */
    }

    .page-header {
        margin-top: var(--spacing-lg); /* Adicionar margem superior para espaçamento */
    }

    .header-controls {
        width: 100%;
        flex-direction: column;
    }
}

    .page {
        padding: var(--spacing-md);
    }

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

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

    .header-controls {
        width: 100%;
        flex-direction: column;
    }

    .period-selector {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }

    .period-selector select {
        width: 100%;
    }

    .date-range-picker {
        width: 100%;
        flex-direction: column;
    }

    .date-range-picker input[type="date"] {
        width: 100%;
    }

    .date-range-picker span {
        display: none;
    }

    .btn-small {
        width: 100%;
    }

    .search-input {
        width: 100%;
        min-width: unset;
    }

    .workflows-filters {
        width: 100%;
        flex-direction: column;
    }

    .filter-select {
        width: 100%;
    }

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

    .stat-card {
        flex-direction: column;
        text-align: center;
    }

    .stat-value {
        font-size: 24px;
    }

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

    .workflows-list {
        grid-template-columns: 1fr;
    }

    .modal-content {
        width: 95%;
    }

    .execution-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .execution-status {
        margin-top: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 16px;
        --spacing-md: 12px;
    }

    .page {
        padding: var(--spacing-md);
    }

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

    .stat-card {
        padding: var(--spacing-md);
    }

    .stat-icon {
        width: 50px;
        height: 50px;
    }

    .stat-value {
        font-size: 20px;
    }

    .chart-container {
        height: 250px;
    }

    .workflow-card {
        padding: var(--spacing-md);
    }

    .sidebar {
        width: 100%;
    }
}

/* Dark Mode Styles */
body.dark-mode {
    /* Paleta de Cores Dark Mode Profissional */
    --color-bg: #121212; /* Fundo muito escuro */
    --color-card: #1e1e1e; /* Cartões escuros */
    --color-text: #e0e0e0; /* Texto claro */
    --color-text-secondary: #b0b0b0; /* Texto secundário cinza claro */
    --color-border: #333333; /* Borda escura */
    --color-primary-light: #004085; /* Azul escuro para hover/ativo */
    --color-shadow: rgba(0, 0, 0, 0.7); /* Sombra mais escura */
}

body.dark-mode .sidebar {
    background-color: var(--color-card);
    border-right-color: var(--color-border);
}

body.dark-mode .logo {
    color: var(--color-primary); /* Manter a cor primária no logo */
}

body.dark-mode .nav-link:hover {
    background-color: var(--color-primary-light);
    color: var(--color-text); /* Garantir que o texto fique visível no hover */
}

body.dark-mode .nav-link.active {
    background-color: var(--color-primary-light);
    color: var(--color-primary); /* Manter a cor primária para o link ativo */
}

body.dark-mode .period-selector select,
body.dark-mode .search-input {
    background-color: var(--color-card);
    color: var(--color-text);
    border-color: var(--color-border);
}

body.dark-mode .stat-card,
body.dark-mode .chart-card,
body.dark-mode .workflow-card {
    background-color: var(--color-card);
    box-shadow: 0 1px 3px var(--color-shadow);
}

body.dark-mode .workflow-card:hover {
    box-shadow: 0 4px 12px var(--color-shadow);
}

body.dark-mode .error {
    background-color: #4a1414;
    color: #ffcdd2;
    border-color: #b71c1c;
}

body.dark-mode .btn-toggle::after {
    background-color: var(--color-bg); /* Bolinha do toggle mais escura no dark mode */
}

body.dark-mode .modal-content {
    background-color: var(--color-card);
}

body.dark-mode .form-group input {
    background-color: var(--color-card);
    color: var(--color-text);
    border-color: var(--color-border);
}

body.dark-mode .message.success {
    background-color: #1b5e20;
    color: #c8e6c9;
    border-color: #2e7d32;
}

body.dark-mode .message.error {
    background-color: #4a1414;
    color: #ffcdd2;
    border-color: #b71c1c;
}

/* Utilities */
.text-center {
    text-align: center;
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}