/* Cascarón: menú en el azul del logo Milica. */
:root {
    --color-navy: #3b53a4;
    --color-navy-soft: #4a66b8;
    --color-orange: #e58d44;
    --color-orange-dark: #cf640b;
    --color-bg: #eef1f6;
    --color-surface: #ffffff;
    --color-text: #12203a;
    --color-muted: #6b7a90;
    --color-border: #e2e8f0;
    --color-ok: #16a34a;
    --color-info: #2563eb;
}

/* MODIFICADO: 24/10/2026 - Cursor AI
 * El menú ocupa su columna y no se estira con el contenido.
 * Así puede quedarse fijo mientras se baja por la pantalla.
 */
.shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 15.75rem 1fr;
    align-items: start;
}

/* MODIFICADO: 24/10/2026 - Cursor AI
 * El menú se queda a la izquierda, a la altura de la pantalla.
 * Al abrir otra sección la página baja arriba, pero el menú no se mueve.
 */
.shell-nav {
    display: flex;
    flex-direction: column;
    background: var(--color-navy);
    color: #fff;
    align-self: start;
    position: sticky;
    top: 0;
    height: 100vh;
    max-height: 100vh;
    overflow: hidden;
}

.shell-nav__brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 1.05rem 0.9rem 0.85rem;
    background: transparent;
    text-decoration: none;
}

.shell-nav__brand:hover,
.shell-nav__brand:focus {
    color: #fff;
    text-decoration: none;
}

.shell-nav__logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border-radius: 999px;
    padding: 0.55rem 0.95rem;
}

.shell-nav__logo {
    width: 6.5rem;
    height: auto;
    display: block;
}

.shell-nav__app {
    margin: 0;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 650;
}

.shell-nav__menu {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    padding: 1.1rem 0.7rem;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overscroll-behavior: contain;
}

/* MODIFICADO: 09/09/2026 - Cursor AI
 * Cabeceras (Resumen, Pedidos, Stock) peso 600; los subítems siguen más finos.
 */
.shell-nav__link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 0.85rem;
    border-radius: 0.65rem;
    color: #fff;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
}

.shell-nav__link:hover,
.shell-nav__link:focus {
    background: var(--color-navy-soft);
    color: #fff;
    text-decoration: none;
}

.shell-nav__link.is-active {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    box-shadow: inset 3px 0 0 var(--color-orange);
}

.shell-nav__label {
    margin: 0.85rem 0.85rem 0.25rem;
    font-size: 0.68rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
}

.shell-nav__link--sub {
    margin-left: 0.55rem;
    padding: 0.45rem 0.75rem 0.45rem 1.15rem;
    border-left: 2px solid rgba(255, 255, 255, 0.16);
    border-radius: 0 0.55rem 0.55rem 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.82rem;
    font-weight: 500;
}

.shell-nav__link--sub:hover,
.shell-nav__link--sub:focus {
    color: #fff;
}

.shell-nav__link--sub.is-active {
    color: #fff;
    font-weight: 650;
}

.shell-nav__foot {
    padding: 1rem 1.1rem 1.2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.shell-nav__erp {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.shell-nav__collapse {
    flex-shrink: 0;
    width: 100%;
    border: 0;
    background: transparent;
    color: rgba(255, 255, 255, 0.78);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0.55rem 0.75rem 0.15rem;
}

.shell-nav__collapse:hover,
.shell-nav__collapse:focus {
    color: #fff;
}

/* MODIFICADO: 10/09/2026 - Cursor AI
 * Flechas del menú con el mismo trazo que el resto de iconos.
 */
.shell-nav__fold-icon {
    width: 1.15rem;
    height: 1.15rem;
}

.shell-body {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.shell-top {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.85rem 1.1rem;
    padding: 0.9rem 1.5rem;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.shell-top__crumb {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 650;
    min-width: 9rem;
}

.shell-top__search {
    flex: 1;
    min-width: 14rem;
    position: relative;
}

.shell-top__label,
.filters__label {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.shell-top__search-icon {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.05rem;
    height: 1.05rem;
    color: var(--color-muted);
    pointer-events: none;
}

.shell-top__q {
    width: 100%;
    padding: 0.55rem 1rem 0.55rem 2.4rem;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font: inherit;
    background: var(--color-bg);
}

.shell-top__q:focus {
    outline: 2px solid rgba(232, 115, 14, 0.35);
    border-color: var(--color-orange);
}

.shell-top__meta {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    margin-left: auto;
}

.shell-top__lock {
    margin: 0;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    background: #fff4e5;
    color: var(--color-orange-dark);
    font-size: 0.72rem;
    font-weight: 750;
}

.shell-top__lock.is-danger {
    background: #fee2e2;
    color: #991b1b;
}

.shell-top__user {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.82rem;
}

.shell-top__logout {
    color: var(--color-navy);
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
}

.shell-top__logout:hover,
.shell-top__logout:focus {
    text-decoration: underline;
}

.shell-top__avatar {
    width: 2rem;
    height: 2rem;
    border-radius: 999px;
    background: #dbe4f5;
    color: var(--color-navy);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
}

.shell-nav__group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    padding-top: 0.55rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.shell-nav__group-btn {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
    padding: 0.7rem 0.85rem;
    border: 0;
    border-radius: 0.65rem;
    background: transparent;
    color: #fff;
    font: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
}

.shell-nav__group-btn:hover,
.shell-nav__group-btn:focus {
    background: var(--color-navy-soft);
    color: #fff;
}

/* MODIFICADO: 16/10/2026 - Cursor AI
 * Iconos del menú un poco más grandes. La flecha de abrir no cambia.
 */
.shell-nav__menu > .shell-nav__link > .icon,
.shell-nav__group-btn > .icon:not(.shell-nav__chev) {
    width: 1.4rem;
    height: 1.4rem;
}

.shell-nav__chev {
    margin-left: auto;
    width: 0.95rem;
    height: 0.95rem;
    transform: rotate(-90deg);
}

.shell-nav__group.is-open .shell-nav__chev {
    transform: rotate(0deg);
}

/* MODIFICADO: 24/10/2026 - Cursor AI
 * La sección en la que estamos se distingue con el fondo.
 * El resto queda plegado para ver el menú entero.
 */
.shell-nav__group.is-open > .shell-nav__group-btn {
    background: rgba(255, 255, 255, 0.1);
}

.shell-top__menu,
.shell-nav__backdrop {
    display: none;
}

.shell-nav__sub {
    display: none;
    flex-direction: column;
    gap: 0.08rem;
    margin: 0.15rem 0 0.1rem;
}

.shell-nav__group.is-open .shell-nav__sub {
    display: flex;
}

.shell.is-nav-collapsed {
    grid-template-columns: 4.4rem 1fr;
}

.shell.is-nav-collapsed .shell-nav__txt,
.shell.is-nav-collapsed .shell-nav__app,
.shell.is-nav-collapsed .shell-nav__chev {
    display: none;
}

.shell.is-nav-collapsed .shell-nav__logo {
    width: 2.4rem;
}

.shell.is-nav-collapsed .shell-nav__logo-wrap {
    padding: 0.35rem;
}

.shell.is-nav-collapsed .shell-nav__sub {
    display: none;
}

.shell.is-nav-collapsed .shell-nav__link,
.shell.is-nav-collapsed .shell-nav__group-btn {
    justify-content: center;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.shell.is-nav-collapsed .shell-nav__collapse {
    justify-content: center;
    padding: 0.5rem 0.3rem 0.1rem;
}

.shell.is-nav-collapsed .shell-nav__fold-icon {
    transform: rotate(180deg);
}

.shell-content {
    flex: 1;
    min-width: 0;
    padding: 1.25rem 1.35rem 2rem;
    width: 100%;
}

/* MODIFICADO: 24/10/2026 - Cursor AI
 * En el móvil el menú sale de lado y la pantalla queda libre.
 * Se cierra al pulsar fuera, para trabajar en la sección.
 */
@media (max-width: 900px) {
    .shell,
    .shell.is-nav-collapsed {
        display: block;
        max-width: 100%;
    }

    .shell-body,
    .shell-content {
        min-width: 0;
        max-width: 100%;
    }

    html,
    body {
        overflow-x: hidden;
        overflow-x: clip;
    }

    .shell-nav {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 40;
        width: min(18.75rem, 88vw);
        height: 100vh;
        height: 100dvh;
        max-height: 100dvh;
        min-height: 0;
        transform: translateX(-105%);
        transition: transform 0.18s ease;
    }

    .shell.is-menu-open .shell-nav {
        transform: none;
        box-shadow: 10px 0 30px rgba(18, 32, 58, 0.28);
    }

    .shell-nav__menu {
        flex-direction: column;
        flex-wrap: nowrap;
        overflow-y: auto;
        padding: 0.35rem 0.7rem 1.2rem;
    }

    .shell-nav__link,
    .shell-nav__group-btn {
        min-height: 2.75rem;
    }

    .shell.is-nav-collapsed .shell-nav__txt,
    .shell.is-nav-collapsed .shell-nav__app,
    .shell.is-nav-collapsed .shell-nav__chev {
        display: inline;
    }

    .shell.is-nav-collapsed .shell-nav__logo {
        width: 6.5rem;
    }

    .shell.is-nav-collapsed .shell-nav__logo-wrap {
        padding: 0.55rem 0.95rem;
    }

    .shell.is-nav-collapsed .shell-nav__group.is-open .shell-nav__sub {
        display: flex;
    }

    .shell.is-nav-collapsed .shell-nav__link,
    .shell.is-nav-collapsed .shell-nav__group-btn {
        justify-content: flex-start;
        padding: 0.7rem 0.85rem;
    }

    .shell.is-nav-collapsed .shell-nav__collapse {
        justify-content: flex-end;
        padding: 0.55rem 0.75rem 0.15rem;
    }

    .shell.is-nav-collapsed .shell-nav__fold-icon {
        transform: none;
    }

    .shell-nav__backdrop {
        position: fixed;
        inset: 0;
        z-index: 35;
        border: 0;
        padding: 0;
        background: rgba(18, 32, 58, 0.48);
        cursor: pointer;
    }

    .shell.is-menu-open .shell-nav__backdrop {
        display: block;
    }

    body.is-menu-open {
        overflow: hidden;
    }

    .shell-top {
        position: sticky;
        top: 0;
        z-index: 20;
        padding: 0.55rem 0.7rem;
        gap: 0.4rem 0.55rem;
    }

    .shell-top__menu {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        min-height: 2.5rem;
        padding: 0.35rem 0.7rem;
        border: 0;
        border-radius: 0.65rem;
        background: var(--color-navy);
        color: #fff;
        font: inherit;
        font-size: 0.9rem;
        font-weight: 700;
        cursor: pointer;
    }

    .shell-top__menu:focus {
        outline: 2px solid rgba(232, 115, 14, 0.55);
        outline-offset: 2px;
    }

    .shell-top__crumb {
        min-width: 0;
        flex: 1 1 auto;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .shell-top__search {
        flex: 1 1 100%;
        min-width: 0;
    }

    .shell-top__meta {
        gap: 0.45rem;
    }

    .shell-content {
        padding: 0.75rem 0.7rem 2rem;
    }
}

@media (max-width: 480px) {
    .shell-top__user {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .shell-nav {
        transition: none;
    }
}

@media print {
    .shell {
        display: block;
        min-height: 0;
    }

    .shell-nav,
    .shell-top,
    .shell-nav__collapse,
    .shell-nav__backdrop {
        display: none !important;
    }

    .shell-body,
    .shell-content {
        margin: 0;
        padding: 0;
        box-shadow: none;
    }
}

.shell-nav__link--section {
    margin-top: 0.15rem;
    padding-top: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}