/**
 * Kiwi Estadísticas WooCommerce Pro - Frontend Styles
 * Version: 3.1.0
 */

/* ============================================
   Variables CSS — Sistema de diseño v2
   ============================================ */
:root {
    --kiwi-primary: #2563eb;
    --kiwi-primary-dark: #1d4ed8;
    --kiwi-secondary: #0f172a;
    --kiwi-success: #16a34a;
    --kiwi-danger: #dc2626;
    --kiwi-warning: #f59e0b;
    --kiwi-border: #e2e8f0;
    --kiwi-bg-light: #f8fafc;
    --kiwi-bg-white: #ffffff;
    --kiwi-text: #0f172a;
    --kiwi-text-light: #64748b;
    --kiwi-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    --kiwi-shadow-hover: 0 4px 16px rgba(15, 23, 42, 0.12);
    --kiwi-radius: 12px;
    --kiwi-transition: all 0.2s ease;
    --kiwi-font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* ============================================
   Dashboard Principal
   ============================================ */
.kiwi-stats-dashboard {
    max-width: 1280px;
    margin: 0 auto;
    padding: 24px;
    font-family: var(--kiwi-font);
    color: var(--kiwi-text);
}

/* Bug 4: en desktop, dejar aire a la derecha para que el widget de
   accesibilidad y los botones flotantes (WhatsApp, carrito) no tapen contenido. */
@media (min-width: 1025px) {
    .kiwi-stats-dashboard {
        padding-right: 80px;
    }
}

.kiwi-dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 20px 24px;
    background: var(--kiwi-bg-white);
    color: var(--kiwi-text);
    border: 1px solid var(--kiwi-border);
    border-radius: var(--kiwi-radius);
    box-shadow: var(--kiwi-shadow);
}

.kiwi-dashboard-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
}

.kiwi-dashboard-controls {
    display: flex;
    gap: 10px;
}

/* ============================================
   Botones
   ============================================ */
.kiwi-btn {
    display: inline-block;
    padding: 10px 16px;
    background: var(--kiwi-primary);
    color: #fff;
    border: 1px solid var(--kiwi-primary);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--kiwi-transition);
    text-decoration: none;
}

.kiwi-btn:hover {
    background: var(--kiwi-primary-dark);
    border-color: var(--kiwi-primary-dark);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--kiwi-shadow-hover);
}

.kiwi-btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.kiwi-btn-icon {
    background: transparent;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 5px;
    transition: var(--kiwi-transition);
}

.kiwi-btn-icon:hover {
    transform: scale(1.15);
}

/* Botones secundarios del header (sobre fondo claro) */
.kiwi-btn-collapse-all,
.kiwi-btn-expand-all {
    background: #fff;
    color: var(--kiwi-text);
    border-color: var(--kiwi-border);
}

.kiwi-btn-collapse-all:hover,
.kiwi-btn-expand-all:hover {
    background: var(--kiwi-bg-light);
    color: var(--kiwi-text);
    border-color: var(--kiwi-border);
}

/* ============================================
   Secciones de Categorías
   ============================================ */
.kiwi-category-section {
    margin-bottom: 30px;
    background: var(--kiwi-bg-white);
    border-radius: var(--kiwi-radius);
    box-shadow: var(--kiwi-shadow);
    overflow: hidden;
    transition: var(--kiwi-transition);
}

.kiwi-category-section:hover {
    box-shadow: var(--kiwi-shadow-hover);
}

.kiwi-category-header {
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    padding: 18px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--kiwi-border);
    transition: var(--kiwi-transition);
}

.kiwi-category-header:hover {
    background: linear-gradient(to right, #e9ecef, #dee2e6);
}

.kiwi-category-header-left {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex: 1;
    cursor: pointer;
}

.kiwi-category-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--kiwi-secondary);
}

.kiwi-btn-analyze {
    background: var(--kiwi-primary);
    color: white;
    border: 2px solid var(--kiwi-primary);
    padding: 8px 16px;
    font-size: 13px;
    margin-left: 15px;
}

.kiwi-btn-analyze:hover {
    background: var(--kiwi-primary-dark);
    border-color: var(--kiwi-primary-dark);
    transform: translateY(-1px);
}

.kiwi-category-icon {
    font-size: 24px;
}

.kiwi-category-count {
    font-size: 14px;
    color: var(--kiwi-text-light);
    font-weight: 400;
}

.kiwi-toggle-icon {
    font-size: 20px;
    transition: transform 0.3s ease;
    color: var(--kiwi-text-light);
}

.kiwi-category-section.collapsed .kiwi-toggle-icon {
    transform: rotate(-90deg);
}

.kiwi-category-content {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(500px, 1fr));
    gap: 20px;
    transition: var(--kiwi-transition);
}

.kiwi-category-section.collapsed .kiwi-category-content {
    display: none;
}

/* ============================================
   Tarjetas de Estadísticas
   ============================================ */
.kiwi-stat-card {
    background: var(--kiwi-bg-white);
    border: 1px solid var(--kiwi-border);
    border-radius: var(--kiwi-radius);
    padding: 0;
    transition: var(--kiwi-transition);
    overflow: hidden;
}

.kiwi-stat-card:hover {
    box-shadow: var(--kiwi-shadow);
}

.kiwi-stat-header {
    background: var(--kiwi-bg-light);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--kiwi-border);
}

.kiwi-stat-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--kiwi-secondary);
}

.kiwi-stat-actions {
    display: flex;
    gap: 8px;
}

.kiwi-stat-config {
    background: #fff9e6;
    border-bottom: 1px solid var(--kiwi-warning);
    padding: 15px 20px;
}

.kiwi-config-row {
    margin-bottom: 12px;
}

.kiwi-config-row:last-child {
    margin-bottom: 0;
    margin-top: 15px;
}

.kiwi-config-row label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--kiwi-secondary);
    margin-bottom: 5px;
}

.kiwi-config-row select,
.kiwi-config-row input[type="checkbox"] {
    margin-right: 8px;
}

.kiwi-chart-type-select {
    padding: 6px 12px;
    border: 1px solid var(--kiwi-border);
    border-radius: 4px;
    font-size: 13px;
    width: 100%;
}

.kiwi-stat-content {
    padding: 20px;
    transition: var(--kiwi-transition);
}

.kiwi-stat-card.collapsed .kiwi-stat-content {
    display: none;
}

.kiwi-stat-card.collapsed .kiwi-btn-collapse::after {
    content: '▶';
}

/* ============================================
   Contenedor de Gráficos
   ============================================ */
.kiwi-stat-chart-container {
    background: var(--kiwi-bg-white);
}

.kiwi-chart-wrapper {
    position: relative;
    height: 350px;
    min-height: 340px;
    margin-bottom: 20px;
}

.kiwi-chart-wrapper canvas {
    max-height: 100%;
}

/* ============================================
   Sección Individual
   ============================================ */
.kiwi-stat-section {
    background: var(--kiwi-bg-white);
    border-radius: var(--kiwi-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--kiwi-shadow);
}

.kiwi-stat-section h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 24px;
    color: var(--kiwi-secondary);
}

.kiwi-stat-description {
    color: var(--kiwi-text-light);
    font-size: 14px;
    margin-bottom: 20px;
}

/* ============================================
   Tablas de Datos
   ============================================ */
.kiwi-raw-table {
    margin-top: 20px;
    overflow-x: auto;
}

.kiwi-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--kiwi-bg-white);
    border-radius: var(--kiwi-radius);
    overflow: hidden;
    font-size: 14px;
}

.kiwi-table thead {
    background: var(--kiwi-bg-light);
}

.kiwi-table th {
    padding: 10px 12px;
    text-align: left;
    font-weight: 600;
    color: var(--kiwi-text-light);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    background: var(--kiwi-bg-light);
}

.kiwi-table tbody tr {
    transition: background-color 0.15s ease;
}

.kiwi-table tbody tr:hover {
    background-color: #f1f5f9;
}

.kiwi-table td {
    padding: 10px 12px;
    font-size: 14px;
    color: var(--kiwi-text);
    border-top: 1px solid var(--kiwi-border);
}

/* Zebra striping: filas pares con fondo suave */
.kiwi-table tbody tr:nth-child(even) {
    background-color: var(--kiwi-bg-light);
}

.kiwi-table tbody tr:nth-child(even):hover {
    background-color: #f1f5f9;
}

/* ============================================
   Botón de Descarga PDF
   ============================================ */
.kiwi-download-pdf {
    margin-top: 20px;
    background: var(--kiwi-success);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--kiwi-transition);
    display: inline-block;
}

.kiwi-download-pdf:hover {
    background: #15803d;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(22, 163, 74, 0.3);
}

/* ============================================
   Estados de Carga
   ============================================ */
.kiwi-loading {
    text-align: center;
    padding: 40px;
    color: var(--kiwi-text-light);
    font-size: 16px;
}

.kiwi-loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-left: 10px;
    border: 3px solid var(--kiwi-border);
    border-top-color: var(--kiwi-primary);
    border-radius: 50%;
    animation: kiwi-spin 0.8s linear infinite;
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1200px) {
    .kiwi-category-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .kiwi-stats-dashboard {
        padding: 10px;
    }
    
    .kiwi-dashboard-header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .kiwi-dashboard-header h2 {
        font-size: 22px;
    }
    
    .kiwi-dashboard-controls {
        width: 100%;
        justify-content: center;
    }
    
    .kiwi-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .kiwi-category-header {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .kiwi-category-header-left {
        width: 100%;
    }
    
    .kiwi-btn-analyze {
        width: 100%;
        margin-left: 0;
    }
    
    .kiwi-chart-wrapper {
        height: 250px;
        min-height: 250px;
    }
    
    .kiwi-category-content {
        padding: 10px;
        gap: 15px;
    }
    
    .kiwi-stat-section {
        padding: 20px 15px;
    }
    
    .kiwi-table {
        font-size: 12px;
    }
    
    .kiwi-table th,
    .kiwi-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .kiwi-category-header h3 {
        font-size: 16px;
    }
    
    .kiwi-stat-header h4 {
        font-size: 14px;
    }
    
    .kiwi-stat-actions {
        gap: 4px;
    }
    
    .kiwi-btn-icon {
        font-size: 16px;
    }
}

/* ============================================
   Estado vacío (Bug 3)
   ============================================ */
.kiwi-empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--kiwi-text-light);
    font-size: 14px;
    background: var(--kiwi-bg-light);
    border: 1px dashed var(--kiwi-border);
    border-radius: var(--kiwi-radius);
    margin-top: 12px;
}