/* Estilos específicos para a página de Desempenho */

.performance-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.metric-card {
    background-color: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.metric-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-right: 20px;
}

.metric-info {
    flex: 1;
}

.metric-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--dark);
}

.metric-label {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 8px;
}

.metric-change {
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
}

.metric-change.positive {
    color: #4CD964;
}

.metric-change.negative {
    color: #FF3B30;
}

.metric-change i {
    margin-right: 5px;
    font-size: 12px;
}

/* Gráficos */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

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

.chart-container {
    background-color: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.chart-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.chart-legend {
    display: flex;
    gap: 15px;
}

.legend-item {
    display: flex;
    align-items: center;
    font-size: 13px;
    color: var(--gray);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
    margin-right: 6px;
}

.chart-wrapper {
    position: relative;
    height: 300px;
}

/* Seção de Receita */
.revenue-section {
    background-color: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.revenue-section .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.revenue-section h3 {
    font-size: 18px;
    font-weight: 600;
}

.revenue-period {
    display: flex;
    align-items: center;
    gap: 10px;
}

.revenue-period select {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: white;
    font-size: 14px;
    color: var(--dark);
    cursor: pointer;
}

.revenue-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.revenue-metric {
    text-align: center;
    padding: 20px;
    border-radius: 10px;
    background-color: var(--light-gray);
}

.revenue-value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary);
}

.revenue-label {
    font-size: 14px;
    color: var(--gray);
    margin-bottom: 10px;
}

.revenue-change {
    font-size: 14px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    display: inline-block;
}

.revenue-change.positive {
    background-color: rgba(76, 217, 100, 0.1);
    color: #4CD964;
}

.revenue-change.negative {
    background-color: rgba(255, 59, 48, 0.1);
    color: #FF3B30;
}

.revenue-target {
    font-size: 14px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    background-color: rgba(42, 92, 170, 0.1);
    color: var(--secondary);
    display: inline-block;
}

.revenue-chart-container {
    height: 250px;
    position: relative;
}

/* Desempenho por Instrutor */
.instructor-performance {
    background-color: var(--white);
    border-radius: 15px;
    padding: 25px;
    box-shadow: var(--shadow);
}

.instructor-performance .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.instructor-performance h3 {
    font-size: 18px;
    font-weight: 600;
}

.instructor-table-container {
    overflow-x: auto;
}

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

.instructor-table th {
    text-align: left;
    padding: 15px 10px;
    border-bottom: 2px solid #eee;
    color: var(--gray);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
}

.instructor-table td {
    padding: 15px 10px;
    border-bottom: 1px solid #eee;
    font-weight: 500;
}

.instructor-info {
    display: flex;
    align-items: center;
}

.instructor-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    margin-right: 12px;
}

.instructor-name {
    font-weight: 600;
    margin-bottom: 3px;
}

.instructor-specialty {
    font-size: 13px;
    color: var(--gray);
}

.instructor-rating {
    display: flex;
    align-items: center;
    gap: 5px;
}

.instructor-rating i {
    color: #FFC107;
    font-size: 14px;
}

.instructor-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    display: inline-block;
}

.status-excellent {
    background-color: rgba(76, 217, 100, 0.1);
    color: #4CD964;
}

.status-good {
    background-color: rgba(42, 92, 170, 0.1);
    color: var(--secondary);
}

.status-average {
    background-color: rgba(255, 193, 7, 0.1);
    color: #FFC107;
}

/* Filtro de período no header */
.header-actions select {
    padding: 10px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background-color: white;
    font-size: 14px;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
}

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