:root {
    --primary-color: #4b3c8c;
    --light-color: #ffffff;
    --dark-color: #1e1e2f;
    --border-radius: 16px;
    --box-shadow: 0 4px 16px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Nunito Sans', sans-serif;
    background-color: #f5f7fa;
}

/* Dashboard estructura */
.dashboard-container {
    padding: 2rem;
}

.dashboard-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 30px;
}

.dashboard-date {
    background-color: white;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    font-weight: 500;
}

/* Grilla de tarjetas */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    margin-top: 2rem;
}

/* Tarjetas */
.card {
    background: var(--light-color);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid #eee;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.card-body {
    padding: 1.5rem;
}

/* Widgets principales */
.widget-stat {
    text-align: center;
}

.widget-value {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.widget-label {
    font-size: 0.95rem;
    color: #6c757d;
}

.widget-actions {
    margin-top: 10px;
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    padding: 10px 14px;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    border: none;
}

.btn-download {
    background-color: var(--primary-color);
    color: white;
    font-size: 0.9rem;
}

    .btn-download:hover {
        background-color: #3a2e6e;
        transform: translateY(-1px);
    }

/* Botón icono compacto */
.btn-icon {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.2rem;
    padding: 0;
    border-radius: 50%;
}

/* Controles del panel */
.panel-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

    .panel-controls a {
        color: #6c757d;
        background: #f1f1f1;
        padding: 6px;
        border-radius: 50%;
        transition: 0.2s ease;
    }

        .panel-controls a:hover {
            color: var(--primary-color);
            background: #e2e2e2;
        }

/* Chart */
.chart-holder {
    width: 100%;
    height: 100%;
    position: relative;
}

/* Modo pantalla completa */
.card.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 100vw;
    height: 100vh;
    background: var(--light-color);
    border-radius: 0;
    overflow-y: auto;
}

    .card.fullscreen .card-body {
        height: calc(100vh - 80px);
        overflow: auto;
    }

/* Responsive */
@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .dashboard-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .widget-value {
        font-size: 1.8rem;
    }
}

/* Botón de refrescar */
.btn-refresh {
    background-color: var(--primary-color);
    color: white;
    margin-right: 10px;
    border-radius: 15px;
}

.dashboard-actions {
    display: flex;
    align-items: center;
}

/* Animación de refresco */
.refreshing {
    animation: spin 1s linear infinite;
}

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

    to {
        transform: rotate(360deg);
    }
}

.chart-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    color: #6c757d;
    z-index: 10;
    pointer-events: none;
}

.chart-holder {
    position: relative;
}


.btn-refresh {
    background-color: var(--primary-color);
    color: #fff;
    padding: 8px 16px;
    border-radius: 15px;
    font-weight: 500;
    font-size: 15px;
    transition: background-color 0.3s ease;
    border: none;
}

    .btn-refresh:hover {
        background-color: #4b3c8c;
        color: #fff;
    }

#dashboard-overlay {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    width: 100%;
    height: 100%;
}

.overlay-background {
    background: rgba(0, 0, 0, 0.6);
    width: 100%;
    height: 100%;
    position: absolute;
}

.overlay-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    font-size: 20px;
}

    .overlay-spinner i {
        font-size: 40px;
        margin-bottom: 10px;
    }

.dashboard-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 20px;
}

.dashboard-date-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.9);
    z-index: 9999;
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    font-size: 18px;
    color: #333;
}

.loading-spinner i {
    font-size: 36px;
    margin-bottom: 10px;
    color: #4CAF50;
}