/* ===================================
   DASHBOARD DE MÉTRICAS - ESTILOS
   =================================== */

/* Reset e Variáveis */
:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #06b6d4;
    --accent-secondary: #0891b2;
    --accent-glow: rgba(6, 182, 212, 0.3);
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border-color: #334155;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

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

/* Dashboard Container */
.dashboard {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.header .subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

.btn-refresh {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: var(--bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-refresh:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--accent-glow);
}

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

.refresh-icon {
    font-size: 1.2rem;
    transition: transform 0.5s ease;
}

.btn-refresh:hover .refresh-icon {
    transform: rotate(180deg);
}

/* Filtros */
.filters {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 180px;
}

.filter-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.filter-group select,
.filter-group input {
    padding: 10px 14px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-group select:hover,
.filter-group input:hover {
    border-color: var(--accent-primary);
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-clear {
    align-self: flex-end;
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-clear:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* Status de Conexão */
.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    width: fit-content;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--warning);
    animation: pulse 1.5s infinite;
}

.connection-status.connected .status-dot {
    background: var(--success);
    animation: none;
}

.connection-status.error .status-dot {
    background: var(--danger);
    animation: none;
}

.status-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

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

/* KPI Grid */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.kpi-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.kpi-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
    box-shadow: var(--shadow-lg);
}

.kpi-card.highlight {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(6, 182, 212, 0.05));
    border-color: var(--accent-primary);
}

.kpi-card.positive .kpi-value {
    color: var(--success);
}

.kpi-card.negative .kpi-value {
    color: var(--danger);
}

.kpi-icon {
    font-size: 2rem;
    opacity: 0.9;
}

.kpi-content {
    display: flex;
    flex-direction: column;
}

.kpi-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.chart-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.chart-card canvas {
    width: 100% !important;
    height: 280px !important;
}

/* Tabela */
.table-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 30px;
}

.table-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead {
    background: var(--bg-primary);
    position: sticky;
    top: 0;
}

th {
    padding: 14px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
}

th.sortable {
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
}

th.sortable:hover {
    color: var(--accent-primary);
}

th.sorted-asc,
th.sorted-desc {
    color: var(--accent-primary);
}

td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
}

tbody tr {
    transition: var(--transition);
}

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

/* Linha TOTAL destacada */
tbody tr.total-row {
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.2), rgba(6, 182, 212, 0.1));
    font-weight: 700;
    position: sticky;
    bottom: 0;
}

tbody tr.total-row td {
    border-top: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

/* Formatação de valores */
.value-positive {
    color: var(--success);
}

.value-negative {
    color: var(--danger);
}

.value-currency {
    font-variant-numeric: tabular-nums;
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

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

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

.loading-overlay p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .dashboard {
        padding: 12px;
    }

    .header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .header h1 {
        font-size: 1.4rem;
    }

    .filters {
        flex-direction: column;
    }

    .filter-group {
        width: 100%;
    }

    .btn-clear {
        width: 100%;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .kpi-card {
        padding: 14px;
    }

    .kpi-icon {
        font-size: 1.5rem;
    }

    .kpi-value {
        font-size: 1.1rem;
    }

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

    .chart-card canvas {
        height: 220px !important;
    }

    .table-section {
        padding: 16px;
    }

    table {
        font-size: 0.75rem;
    }

    th, td {
        padding: 8px 6px;
    }
}

@media (max-width: 480px) {
    .kpi-grid {
        grid-template-columns: 1fr;
    }

    .kpi-card {
        flex-direction: row;
        justify-content: flex-start;
    }
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}