/* ============================================
   BINAS CONTENT PANEL - Sistema de Paneles
   Componente reutilizable para agrupar contenido
   relacionado en una unidad visual cohesiva.
   
   Inspirado en: Azure Portal, Outlook, GitHub
   
   📌 Uso: Envolver secciones de contenido (KPIs + tabs + body)
          dentro de .binas-content-panel para dar marco y jerarquía.
   ============================================ */

/* --- Panel Principal --- */
.binas-content-panel {
    background: var(--outlook-bg-primary);
    border: 1px solid var(--outlook-border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--outlook-shadow-subtle);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
}

/* --- Panel Header (título de la sección, location bar, etc.) --- */
.binas-panel-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--outlook-border-light);
    background: var(--outlook-bg-tertiary, var(--outlook-bg-tertiary));
}

.binas-panel-header .panel-icon {
    font-size: 1.1rem;
    color: var(--outlook-blue, var(--outlook-border-focus));
}

.binas-panel-header .panel-title {
    font-size: var(--font-size-base);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.binas-panel-header .panel-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin: 0;
}

.binas-panel-header .panel-badge {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background: var(--color-gray-100, var(--fluent-neutral-light));
    padding: 2px 8px;
    border-radius: var(--radius-pill, 999px);
    font-weight: 600;
}

/* --- Panel KPI Strip (fila de KPIs compacta) --- */
.binas-panel-kpi-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0;
    border-bottom: 1px solid var(--outlook-border-light);
    background: var(--outlook-bg-tertiary, var(--outlook-bg-tertiary));
}

.binas-panel-kpi-strip .kpi-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-right: 1px solid var(--outlook-border-light);
}

.binas-panel-kpi-strip .kpi-cell:last-child {
    border-right: none;
}

.binas-panel-kpi-strip .kpi-icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.binas-panel-kpi-strip .kpi-icon.icon-blue   { background: rgba(var(--palette-blue-primary-rgb), 0.08); color: var(--palette-blue-primary); }
.binas-panel-kpi-strip .kpi-icon.icon-water  { background: rgba(var(--palette-water-rgb), 0.08); color: rgb(var(--palette-water-rgb)); }
.binas-panel-kpi-strip .kpi-icon.icon-orange { background: rgba(var(--palette-orange-rgb), 0.08); color: rgb(var(--palette-orange-rgb)); }
.binas-panel-kpi-strip .kpi-icon.icon-green  { background: rgba(var(--palette-green-rgb), 0.08);  color: rgb(var(--palette-green-rgb)); }
.binas-panel-kpi-strip .kpi-icon.icon-purple { background: rgba(var(--palette-purple-rgb), 0.08); color: rgb(var(--palette-purple-rgb)); }
.binas-panel-kpi-strip .kpi-icon.icon-teal   { background: rgba(var(--palette-teal-rgb), 0.08);  color: var(--palette-teal); }
.binas-panel-kpi-strip .kpi-icon.icon-red    { background: rgba(var(--color-danger-rgb), 0.08);  color: var(--color-danger); }
.binas-panel-kpi-strip .kpi-icon.icon-gray   { background: rgba(var(--palette-gray-neutral-rgb), 0.08); color: rgb(var(--palette-gray-neutral-rgb)); }

.binas-panel-kpi-strip .kpi-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.binas-panel-kpi-strip .kpi-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    line-height: 1.2;
}

/* --- Panel Tab Bar (navegación por tabs) --- */
.binas-panel-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--outlook-border-light);
    background: var(--outlook-bg-secondary, var(--outlook-bg-secondary));
    padding: 0;
    overflow-x: auto;
}

.binas-panel-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.15s, border-color 0.15s, background-color 0.15s;
    position: relative;
}

.binas-panel-tab:hover {
    color: var(--text-primary);
    background: rgba(0,0,0,.02);
}

.binas-panel-tab.active {
    color: var(--outlook-blue, var(--outlook-border-focus));
    border-bottom-color: var(--outlook-blue, var(--outlook-border-focus));
    background: var(--outlook-bg-primary);
}

.binas-panel-tab .tab-icon {
    font-size: 0.8rem;
    opacity: 0.7;
}

.binas-panel-tab.active .tab-icon {
    opacity: 1;
}

.binas-panel-tab .tab-badge {
    background: var(--color-gray-100, var(--fluent-neutral-light));
    color: var(--text-secondary);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 8px;
    line-height: 1.2;
    min-width: 18px;
    text-align: center;
}

.binas-panel-tab.active .tab-badge {
    background: rgba(0,120,212,.1);
    color: var(--outlook-blue, var(--outlook-border-focus));
}

.binas-panel-tab .tab-no-data {
    color: var(--color-gray-400, #bdbdbd);
    font-size: 0.6rem;
}

/* --- Panel Body (contenido del tab activo) --- */
.binas-panel-body {
    padding: var(--spacing-md);
}

.binas-panel-body.no-padding {
    padding: 0;
}

/* --- Panel Tab Content (show/hide) --- */
.binas-panel-tab-content {
    display: none;
}

.binas-panel-tab-content.active {
    display: block;
}

/* --- Panel Footer (acciones, paginación, etc.) --- */
.binas-panel-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-top: 1px solid var(--outlook-border-light);
    background: var(--outlook-bg-tertiary, var(--outlook-bg-tertiary));
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
}

/* --- Panel Variants --- */

/* Variant: Elevated (más sombra) */
.binas-content-panel.panel-elevated {
    box-shadow: var(--outlook-shadow-card);
}

/* Variant: Flush (sin padding en body) */
.binas-content-panel.panel-flush .binas-panel-body {
    padding: 0;
}

/* Variant: Compact (menos padding) */
.binas-content-panel.panel-compact .binas-panel-header,
.binas-content-panel.panel-compact .binas-panel-body,
.binas-content-panel.panel-compact .binas-panel-footer {
    padding-top: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
}

.binas-content-panel.panel-compact .binas-panel-kpi-strip .kpi-cell {
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* --- Empty state — migrado a binas-empty-state.css (v2.0) --- */

/* --- Skeleton Loading inside panel --- */
.binas-panel-skeleton {
    animation: binas-panel-pulse 1.5s ease-in-out infinite;
    background: linear-gradient(90deg,
        var(--color-gray-100, var(--fluent-neutral-light)) 25%,
        var(--outlook-bg-tertiary, var(--outlook-bg-tertiary)) 50%,
        var(--color-gray-100, var(--fluent-neutral-light)) 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-md);
}

@keyframes binas-panel-pulse {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .binas-panel-kpi-strip {
        grid-template-columns: repeat(2, 1fr);
    }
    .binas-panel-kpi-strip .kpi-cell {
        border-bottom: 1px solid var(--outlook-border-light);
    }
    .binas-panel-kpi-strip .kpi-cell:nth-child(2n) {
        border-right: none;
    }
    .binas-panel-tabs {
        gap: 0;
    }
    .binas-panel-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
}