/* Archivo: public/assets/css/shell.css */
/* Punto de integración: Crear nuevo archivo. */

:root {
    --sidebar-width: 280px;
    --header-height: 70px;
}

/* Base Shell Layout */
.app-shell-layout {
    display: flex;
    height: 100vh;
    overflow: hidden;
    background-color: var(--cheisca-smoke);
}

/* Sidebar */
.shell-sidebar {
    width: var(--sidebar-width);
    background-color: var(--cheisca-white);
    border-right: 1px solid var(--cheisca-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.sidebar-header {
    height: var(--header-height);
    padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--cheisca-smoke);
}
.sidebar-logo { height: 28px; }

.sidebar-user {
    padding: 24px;
    display: flex; align-items: center; gap: 12px;
    border-bottom: 1px solid var(--cheisca-smoke);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 24px 16px;
    display: flex; flex-direction: column; gap: 4px;
}

.nav-group-title {
    font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--cheisca-black); opacity: 0.5; margin: 16px 0 8px 8px; font-weight: 700;
}

.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; border-radius: 12px;
    color: var(--cheisca-black); text-decoration: none;
    font-weight: 500; font-size: 0.95rem;
    transition: background 0.2s, color 0.2s;
}

.nav-item:hover { background: var(--cheisca-smoke); color: var(--cheisca-blue); }
.nav-item.active { background: rgba(59, 130, 246, 0.1); color: var(--cheisca-blue); font-weight: 600; }
.nav-item .material-symbols-outlined { font-size: 1.25rem; opacity: 0.8; }

/* Main Content Area */
.app-shell-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0; /* Prevents flex blowout */
}

/* Header */
.shell-header {
    height: var(--header-height);
    background-color: var(--cheisca-white);
    border-bottom: 1px solid var(--cheisca-border);
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 24px;
    z-index: 900;
    flex-shrink: 0; /* Evita que el header colapse si hay mucho contenido debajo */
}

.header-left, .header-right { display: flex; align-items: center; gap: 16px; }

.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.9rem; font-weight: 600; }
.crumb-tenant { color: var(--cheisca-black); opacity: 0.5; }
.crumb-separator { font-size: 1rem; opacity: 0.3; }
.crumb-current { color: var(--cheisca-black); }

.btn-icon {
    background: transparent; border: none; color: var(--cheisca-black); opacity: 0.7;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%; transition: all 0.2s;
}
.btn-icon:hover { opacity: 1; background: var(--cheisca-smoke); }

.profile-dropdown-container { position: relative; }
.btn-profile { background: transparent; border: none; cursor: pointer; padding: 4px; border-radius: 50%; }

/* Avatares */
.avatar-small { width: 44px; height: 44px; background: var(--cheisca-smoke); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-family: var(--font-heading); color: var(--cheisca-blue); }
.avatar-micro { width: 36px; height: 36px; background: var(--cheisca-smoke); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; font-size: 0.8rem; }

/* Body Content */
.app-shell-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    background-color: var(--cheisca-smoke);
    position: relative; 
    display: block; /* Restaura el flujo natural de scroll evitando el recorte superior de Flexbox */
    flex-direction: column;
    align-items: center;
}

/* Mobile First Adjustments */
.sidebar-overlay { display: none; }
.mobile-only { display: none; }

@media (max-width: 900px) {
    .shell-sidebar {
        position: fixed;
        left: 0; top: 0; bottom: 0;
        transform: translateX(-100%);
    }
    .shell-sidebar.open { transform: translateX(0); }
    .sidebar-overlay {
        display: block; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(21,21,21,0.4); backdrop-filter: blur(4px);
        z-index: 999; opacity: 0; pointer-events: none; transition: opacity 0.3s;
    }
    .sidebar-overlay.active { opacity: 1; pointer-events: auto; }
    .mobile-only { display: flex; }
    .breadcrumb { display: none; }
    .app-shell-body { padding: 16px; }
}

/* Archivo: public/assets/css/shell.css */
/* Punto de integración: Actualizar la clase .dropdown-menu */

.dropdown-menu {
    position: absolute;
    right: 0;
    top: calc(100% + 12px);
    width: 220px;
    background-color: var(--cheisca-white);
    border: 1px solid var(--cheisca-border);
    border-radius: 16px;
    box-shadow: var(--shadow-medium); /* Elevación Material 3 */
    z-index: 10000; /* Asegurar que flote sobre todo */
    padding: 12px 0;
    animation: fadeIn 0.2s ease-out;
}

.dropdown-menu.hidden { display: none !important; }

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--cheisca-black);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background 0.2s;
}

.dropdown-menu a:hover {
    background-color: var(--cheisca-smoke);
}

.dropdown-header {
    padding: 12px 20px;
    border-bottom: 1px solid var(--cheisca-smoke);
    margin-bottom: 8px;
}

/* Archivo: public/assets/css/shell.css */
/* Punto de integración: Agregar estilos para el estado colapsado (Tablet Adaptive) al final del archivo */

/* HU-20: Estado Colapsado del Sidebar */
.shell-sidebar.collapsed {
    width: 80px; /* Sólo íconos */
}

.shell-sidebar.collapsed .sidebar-logo,
.shell-sidebar.collapsed .user-info,
.shell-sidebar.collapsed .nav-group-title,
.shell-sidebar.collapsed .nav-label {
    display: none;
}

.shell-sidebar.collapsed .avatar-small {
    width: 36px; height: 36px;
    margin: 0 auto;
}

.shell-sidebar.collapsed .sidebar-user {
    padding: 24px 0;
    justify-content: center;
}

.shell-sidebar.collapsed .sidebar-nav {
    padding: 24px 8px;
}

.shell-sidebar.collapsed .nav-item {
    justify-content: center;
    padding: 12px 0;
}

/* Transiciones de contenido para que se adapte al colapso */
.app-shell-main { transition: margin-left 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); }

/* Enlaces del Breadcrumb */
.crumb-link {
    color: var(--cheisca-blue);
    text-decoration: none;
    transition: opacity 0.2s;
}
.crumb-link:hover { opacity: 0.8; }