/**
 * 📊 ESTILOS DO DASHBOARD - SISTEMA MODULAR
 * 
 * Layout responsivo e moderno
 * Seguindo padrões de design do RomaneioTL
 * 
 * ✅ MOBILE FIRST: Design responsivo
 * ✅ MODERN UI: Componentes modernos
 * ✅ ACCESSIBILITY: Acessibilidade garantida
 */

/* ========================================================================
   VARIÁVEIS CSS E CONFIGURAÇÕES GLOBAIS
   ======================================================================== */

:root {
    --dashboard-primary: var(--sw-brand);
    --dashboard-success: var(--sw-success);
    --dashboard-warning: var(--sw-warning);
    --dashboard-danger: var(--sw-danger);
    --dashboard-info: var(--sw-info);
    --dashboard-secondary: var(--sw-text-3);
    --dashboard-light: var(--sw-surface-2);
    --dashboard-dark: var(--sw-text-1);
    
    --dashboard-border-radius: 12px;
    --dashboard-box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    --dashboard-transition: all 0.3s ease;
    
    --dashboard-spacing-xs: 8px;
    --dashboard-spacing-sm: 12px;
    --dashboard-spacing-md: 20px;
    --dashboard-spacing-lg: 32px;
    --dashboard-spacing-xl: 48px;
}

/* ========================================================================
   LOADING INDICATOR
   ======================================================================== */

.dashboard-loading {
    position: static;
    min-height: 44px;
    margin: 0 0 var(--dashboard-spacing-md) 0;
    background: #f8fafc;
    border: 1px solid var(--sw-border) ;
    border-radius: var(--dashboard-border-radius);
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--dashboard-dark);
}

.dashboard-shell.is-loading .dashboard-loading {
    display: flex;
}

.loading-spinner {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-align: center;
    color: var(--dashboard-primary);
}

.loading-spinner i {
    font-size: 1rem;
    margin-bottom: 0;
}

.loading-spinner span {
    display: block;
    font-weight: 500;
}

.dashboard-shell {
    min-height: 520px;
}

.dashboard-placeholder {
    color: #64748b;
    background: #f8fafc;
    border: 1px solid var(--sw-border) ;
    border-radius: 8px;
    padding: 16px;
    font-size: 0.9rem;
}

.dashboard-skeleton-card {
    min-height: 112px;
    background:
        linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 37%, #f1f5f9 63%);
    background-size: 400% 100%;
    animation: dashboardSkeletonPulse 1.3s ease infinite;
    box-shadow: none;
}

@keyframes dashboardSkeletonPulse {
    0% { background-position: 100% 0; }
    100% { background-position: 0 0; }
}

/* ========================================================================
   HEADER DO DASHBOARD
   ======================================================================== */

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--dashboard-spacing-md) 0 var(--dashboard-spacing-lg) 0;
    padding: var(--dashboard-spacing-md);
    background: var(--sw-surface) ;
    border-radius: var(--dashboard-border-radius);
    box-shadow: var(--dashboard-box-shadow);
}

.header-info h1 {
    margin: 0;
    color: var(--dashboard-dark);
    font-size: 1.75rem;
    font-weight: 700;
}

.header-info h1 i {
    margin-right: var(--dashboard-spacing-sm);
    color: var(--dashboard-primary);
}

.last-update {
    margin: var(--dashboard-spacing-xs) 0 0 0;
    font-size: 0.875rem;
    color: var(--dashboard-secondary);
}

.btn-refresh {
    background: var(--dashboard-primary);
    color: white;
    border: none;
    padding: var(--dashboard-spacing-sm) var(--dashboard-spacing-md);
    border-radius: var(--dashboard-border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--dashboard-transition);
    display: flex;
    align-items: center;
    gap: var(--dashboard-spacing-xs);
}

.btn-refresh:hover {
    background: var(--sw-brand);
    filter: brightness(0.88);
    transform: translateY(-2px);
}

.btn-refresh i {
    font-size: 0.875rem;
}

/* ========================================================================
   KPI CARDS GRID
   ======================================================================== */

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--dashboard-spacing-md);
    margin-bottom: var(--dashboard-spacing-lg);
    padding: 0;
}

.kpi-card {
    background: var(--sw-surface) ;
    border-radius: var(--dashboard-border-radius);
    padding: var(--dashboard-spacing-md);
    box-shadow: var(--dashboard-box-shadow);
    display: flex;
    align-items: center;
    transition: var(--dashboard-transition);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--sw-gradient);
}

.kpi-card.primary { --card-color: var(--dashboard-primary); }
.kpi-card.success { --card-color: var(--dashboard-success); }
.kpi-card.warning { --card-color: var(--dashboard-warning); }
.kpi-card.danger { --card-color: var(--dashboard-danger); }
.kpi-card.info { --card-color: var(--dashboard-info); }
.kpi-card.secondary { --card-color: var(--dashboard-secondary); }

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.kpi-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--card-color, var(--dashboard-primary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: var(--dashboard-spacing-md);
    font-size: 1.5rem;
}

.kpi-content {
    flex: 1;
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dashboard-dark);
    line-height: 1;
}

.kpi-label {
    font-weight: 600;
    color: var(--dashboard-dark);
    margin: var(--dashboard-spacing-xs) 0;
}

.kpi-detail {
    font-size: 0.875rem;
    color: var(--dashboard-secondary);
}

/* ========================================================================
   WIDGET DO DÓLAR
   ======================================================================== */

.dollar-widget {
    margin-bottom: var(--dashboard-spacing-lg);
}

.dollar-card {
    background: var(--sw-surface) ;
    border-radius: var(--dashboard-border-radius);
    padding: var(--dashboard-spacing-md);
    box-shadow: var(--dashboard-box-shadow);
    transition: var(--dashboard-transition);
}

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

.dollar-card.negative {
    border-left: 4px solid var(--dashboard-danger);
}

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

.dollar-header h3 {
    margin: 0;
    color: var(--dashboard-dark);
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: var(--dashboard-spacing-xs);
}

.live-badge {
    background: var(--dashboard-success);
    color: white;
    padding: 4px var(--dashboard-spacing-xs);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
}

.live-badge i {
    font-size: 0.5rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.dollar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--dashboard-spacing-md);
}

.dollar-rate {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dashboard-dark);
}

.dollar-variation {
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--dashboard-spacing-xs);
}

.dollar-variation.positive {
    color: var(--dashboard-success);
}

.dollar-variation.negative {
    color: var(--dashboard-danger);
}

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

.rate-info {
    display: flex;
    gap: var(--dashboard-spacing-md);
}

.rate-info span {
    font-size: 0.875rem;
    color: var(--dashboard-secondary);
}

.update-time {
    font-size: 0.75rem;
    color: var(--dashboard-secondary);
}

/* ========================================================================
   SEÇÃO DE GRÁFICOS
   ======================================================================== */

.charts-section {
    margin-bottom: var(--dashboard-spacing-lg);
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--dashboard-spacing-md);
}

.chart-container {
    background: var(--sw-surface) ;
    border-radius: var(--dashboard-border-radius);
    padding: var(--dashboard-spacing-md);
    box-shadow: var(--dashboard-box-shadow);
}

.chart-container h3 {
    margin: 0 0 var(--dashboard-spacing-md) 0;
    color: var(--dashboard-dark);
    font-size: 1.125rem;
    font-weight: 600;
}

.chart-container canvas {
    max-height: 300px;
}

/* ========================================================================
   TABELAS DE DADOS
   ======================================================================== */

.data-tables {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--dashboard-spacing-md);
}

.table-container {
    background: var(--sw-surface) ;
    border-radius: var(--dashboard-border-radius);
    padding: var(--dashboard-spacing-md);
    box-shadow: var(--dashboard-box-shadow);
}

.table-container h3 {
    margin: 0 0 var(--dashboard-spacing-md) 0;
    color: var(--dashboard-dark);
    font-size: 1.125rem;
    font-weight: 600;
}

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

.data-table th,
.data-table td {
    padding: var(--dashboard-spacing-sm);
    text-align: left;
    border-bottom: 1px solid #eee;
}

.data-table th {
    background: var(--dashboard-light);
    font-weight: 600;
    color: var(--dashboard-dark);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    color: var(--dashboard-secondary);
}

.data-table tr:hover {
    background: var(--dashboard-light);
}

.type-badge {
    padding: 4px var(--dashboard-spacing-xs);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.type-badge.tl {
    background: var(--dashboard-primary);
}

.type-badge.pct {
    background: var(--dashboard-success);
}

.type-badge.tora {
    background: var(--dashboard-warning);
}

.no-data {
    text-align: center;
    color: var(--dashboard-secondary);
    font-style: italic;
}

/* ========================================================================
   RESPONSIVIDADE
   ======================================================================== */

/* ✅ RESPONSIVIDADE MELHORADA */
@media (max-width: 992px) {
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    }
    
    .charts-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        gap: var(--dashboard-spacing-md);
        text-align: center;
        padding: var(--dashboard-spacing-sm);
    }
    
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--dashboard-spacing-sm);
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .data-tables {
        grid-template-columns: 1fr;
    }
    
    .dollar-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--dashboard-spacing-sm);
    }
    
    .dollar-details {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--dashboard-spacing-xs);
    }
    
    .rate-info {
        flex-direction: column;
        gap: var(--dashboard-spacing-xs);
    }
    
    .header-info h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: var(--dashboard-spacing-sm);
    }
    
    .kpi-card {
        flex-direction: column;
        text-align: center;
        padding: var(--dashboard-spacing-sm);
    }
    
    .kpi-icon {
        margin-right: 0;
        margin-bottom: var(--dashboard-spacing-sm);
    }
}

@media (max-width: 480px) {
    .chart-container,
    .table-container {
        padding: var(--dashboard-spacing-sm);
    }
    
    .kpi-card {
        padding: var(--dashboard-spacing-sm);
    }
    
    .kpi-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .kpi-value {
        font-size: 1.75rem;
    }
    
    .dollar-rate {
        font-size: 2rem;
    }
    
    .data-table {
        font-size: 0.875rem;
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
    
    .data-table th,
    .data-table td {
        padding: var(--dashboard-spacing-xs);
        min-width: 100px;
    }
    
    .header-info h1 {
        font-size: 1.25rem;
    }
    
    .dollar-header h3 {
        font-size: 1rem;
    }
    
    .dollar-rate {
        font-size: 1.75rem;
    }
}

/* ========================================================================
   UTILITÁRIOS
   ======================================================================== */

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

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

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--dashboard-spacing-xs); }
.mb-2 { margin-bottom: var(--dashboard-spacing-sm); }
.mb-3 { margin-bottom: var(--dashboard-spacing-md); }
.mb-4 { margin-bottom: var(--dashboard-spacing-lg); }

.text-primary { color: var(--dashboard-primary); }
.text-success { color: var(--dashboard-success); }
.text-warning { color: var(--dashboard-warning); }
.text-danger { color: var(--dashboard-danger); }
.text-info { color: var(--dashboard-info); }
.text-secondary { color: var(--dashboard-secondary); }

/* ========================================================================
   ANIMAÇÕES
   ======================================================================== */

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.slide-in {
    animation: slideIn 0.4s ease-out;
}

/* ========================================================================
   DARK MODE (PREPARAÇÃO FUTURA)
   ======================================================================== */

@media (prefers-color-scheme: dark) {
    :root {
        --dashboard-light: var(--sw-text-1);
        --dashboard-dark: #ecf0f1;
    }
    
    .kpi-card,
    .dollar-card,
    .chart-container,
    .table-container,
    .dashboard-header {
        background: var(--sw-text-2);
    }
    
    .data-table th {
        background: var(--sw-text-1);
    }
    
    .data-table tr:hover {
        background: var(--sw-text-1);
    }
}