/* Dashboard B.I. - Styles Profissionais */
:root {
    --bi-primary: #2563eb;
    --bi-secondary: #64748b;
    --bi-success: #10b981;
    --bi-warning: #f59e0b;
    --bi-danger: #ef4444;
    --bi-bg: #f8fafc;
    --bi-card-bg: rgba(255, 255, 255, 0.9);
    --bi-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* KPI Cards Layout */
.bi-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.bi-kpi-card {
    background: var(--bi-card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--bi-shadow);
    transition: transform 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.bi-kpi-card:hover {
    transform: translateY(-5px);
}

.bi-kpi-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--bi-secondary);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: 0.5rem;
}

.bi-kpi-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 0.25rem;
}

.bi-kpi-trend {
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.trend-up { color: var(--bi-success); }
.trend-down { color: var(--bi-danger); }

/* Charts Grid */
.bi-charts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 1200px) {
    .bi-charts-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .bi-charts-grid {
        grid-template-columns: 1fr;
    }
}

.bi-chart-container {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--bi-shadow);
    min-height: 350px;
}

.bi-chart-header {
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bi-chart-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #1e293b;
}

/* Seller Ranking Table */
.bi-ranking-card {
    grid-column: span 3;
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--bi-shadow);
}

@media (max-width: 1200px) {
    .bi-ranking-card {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .bi-ranking-card {
        grid-column: span 1;
    }
}

.bi-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.bi-table th {
    text-align: left;
    padding: 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--bi-secondary);
    border-bottom: 1px solid #f1f5f9;
}

.bi-table td {
    padding: 1rem 0.75rem;
    font-size: 0.875rem;
    border-bottom: 1px solid #f1f5f9;
}

.bi-badge {
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-primary { background: #dbeafe; color: #1e40af; }