/* ==========================================================================
   La Teacher Maria — Filament Admin Sidebar Customizations
   Target: Filament v3 | Primary: Amber | Clases nativas verificadas
   No requiere compilación — se sirve directamente desde public/css/
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. SIDEBAR NAV — reducir ritmo vertical
   -------------------------------------------------------------------------- */

.fi-sidebar-nav {
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
    gap: 0.75rem;
}

.fi-sidebar-nav .fi-sidebar-nav-groups {
    gap: 0.75rem;
}

/* Scrollbar fino */
.fi-sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.fi-sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.fi-sidebar-nav::-webkit-scrollbar-thumb {
    background-color: #d1d5db;
    border-radius: 9999px;
}

@media (prefers-color-scheme: dark) {
    .fi-sidebar-nav::-webkit-scrollbar-thumb {
        background-color: #374151;
    }
}

/* --------------------------------------------------------------------------
   2. GROUP HEADER — estilo acordeón limpio
   -------------------------------------------------------------------------- */

.fi-sidebar-group {
    gap: 0.125rem;
}

/* Separador entre grupos */
.fi-sidebar-group + .fi-sidebar-group {
    padding-top: 0.5rem;
    border-top: 1px solid #f3f4f6;
}

@media (prefers-color-scheme: dark) {
    .fi-sidebar-group + .fi-sidebar-group {
        border-top-color: #1f2937;
    }
}

/* Botón de encabezado del grupo */
.fi-sidebar-group-button {
    border-radius: 0.5rem;
    padding-top: 0.375rem;
    padding-bottom: 0.375rem;
    transition: background-color 75ms ease;
}

.fi-sidebar-group-button:hover {
    background-color: rgba(245, 158, 11, 0.08);
}

@media (prefers-color-scheme: dark) {
    .fi-sidebar-group-button:hover {
        background-color: rgba(245, 158, 11, 0.12);
    }
}

/* Label del grupo: estilo cabecera de categoría */
.fi-sidebar-group-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: #9ca3af;
}

@media (prefers-color-scheme: dark) {
    .fi-sidebar-group-label {
        color: #6b7280;
    }
}

/* Icono del grupo más pequeño */
.fi-sidebar-group-icon {
    width: 1.125rem;
    height: 1.125rem;
    color: #d1d5db;
}

@media (prefers-color-scheme: dark) {
    .fi-sidebar-group-icon {
        color: #4b5563;
    }
}

/* Chevron de colapso con transición suave */
.fi-sidebar-group-collapse-button {
    transition: transform 200ms ease;
    opacity: 0.6;
}

.fi-sidebar-group-collapse-button:hover {
    opacity: 1;
}

/* --------------------------------------------------------------------------
   3. NAV ITEMS — altura compacta, hover/active refinados
   -------------------------------------------------------------------------- */

.fi-sidebar-group-items {
    gap: 0.0625rem;
}

.fi-sidebar-item-button {
    padding-top: 0.3125rem;
    padding-bottom: 0.3125rem;
}

.fi-sidebar-item-label {
    font-size: 0.8125rem;
    font-weight: 500;
}

.fi-sidebar-item-icon {
    width: 1.125rem;
    height: 1.125rem;
    flex-shrink: 0;
}

/* Hover no-activo: tinte amber muy sutil */
.fi-sidebar-item-button:hover {
    background-color: rgba(245, 158, 11, 0.06);
}

@media (prefers-color-scheme: dark) {
    .fi-sidebar-item-button:hover {
        background-color: rgba(245, 158, 11, 0.1);
    }
}

/* Item activo: indicador de barra izquierda amber */
.fi-sidebar-item.fi-active .fi-sidebar-item-button {
    background-color: rgba(245, 158, 11, 0.1);
    position: relative;
}

.fi-sidebar-item.fi-active .fi-sidebar-item-button::before {
    content: '';
    position: absolute;
    left: -0.5rem;
    top: 0.25rem;
    bottom: 0.25rem;
    width: 3px;
    background-color: #f59e0b;
    border-radius: 0 3px 3px 0;
}

.fi-sidebar-item.fi-active .fi-sidebar-item-label {
    color: #d97706;
    font-weight: 600;
}

.fi-sidebar-item.fi-active .fi-sidebar-item-icon {
    color: #d97706;
}

@media (prefers-color-scheme: dark) {
    .fi-sidebar-item.fi-active .fi-sidebar-item-button {
        background-color: rgba(245, 158, 11, 0.15);
    }

    .fi-sidebar-item.fi-active .fi-sidebar-item-label {
        color: #fbbf24;
    }

    .fi-sidebar-item.fi-active .fi-sidebar-item-icon {
        color: #fbbf24;
    }
}

/* --------------------------------------------------------------------------
   4. SIDEBAR HEADER — área de brand más compacta
   -------------------------------------------------------------------------- */

.fi-sidebar-header {
    height: 4rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}