/* =========================================================================
   Cascarón de la app: menú lateral, barra superior, menú de usuario y
   selectores de tema e idioma.

   Estilos propios y no Tailwind: tres vistas no cargan Tailwind y el
   cascarón tiene que verse igual en todas. Claro y oscuro salen de las
   mismas variables; la clase `dark` del <html> la pone el servidor o
   partials/theme-script antes del primer pintado.
   ========================================================================= */

:root {
    --sh-bg: #f5f6f8;
    --sh-panel: #ffffff;
    --sh-raised: #f1f3f7;
    --sh-line: #e6e8ec;
    --sh-ink: #0f172a;
    --sh-ink-soft: #334155;
    --sh-ink-muted: #64748b;
    --sh-ink-faint: #94a3b8;
    --sh-accent: #4f46e5;
    --sh-accent-ink: #4338ca;
    --sh-accent-soft: rgba(79, 70, 229, .09);
    --sh-danger: #e11d48;
    --sh-shadow: 0 12px 32px -12px rgba(15, 23, 42, .28);
    --sh-sidebar: 16rem;
    --sh-sidebar-mini: 4.5rem;
    --sh-header: 3.75rem;
}

html.dark {
    --sh-bg: #0b0f17;
    --sh-panel: #111722;
    --sh-raised: #1a2130;
    --sh-line: #232b3a;
    --sh-ink: #e7eaf0;
    --sh-ink-soft: #c9d0db;
    --sh-ink-muted: #8f9aac;
    --sh-ink-faint: #667085;
    --sh-accent: #818cf8;
    --sh-accent-ink: #a5b4fc;
    --sh-accent-soft: rgba(129, 140, 248, .13);
    --sh-danger: #fb7185;
    --sh-shadow: 0 16px 36px -12px rgba(0, 0, 0, .75);
}

.shell-body {
    background: var(--sh-bg);
    color: var(--sh-ink);
}

.shell-sidebar, .shell-sidebar *,
.shell-header, .shell-header *,
.shell-guestbar, .shell-guestbar *,
.shell-trial, .shell-trial * {
    box-sizing: border-box;
}

.shell-icon { display: block; width: 1.15rem; height: 1.15rem; flex-shrink: 0; }

/* --- Menú lateral: cajón en móvil, fijo desde 1024px ------------------- */

.shell-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;
    width: var(--sh-sidebar);
    display: flex;
    flex-direction: column;
    background: var(--sh-panel);
    border-right: 1px solid var(--sh-line);
    transform: translateX(-100%);
    transition: transform .22s ease, width .22s ease;
}

.shell-body.menu-abierto { overflow: hidden; }
.shell-body.menu-abierto .shell-sidebar { transform: none; box-shadow: var(--sh-shadow); }

.shell-brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    height: var(--sh-header);
    padding: 0 .75rem 0 1.1rem;
    border-bottom: 1px solid var(--sh-line);
    flex-shrink: 0;
}

.shell-brand-link {
    display: flex;
    align-items: center;
    gap: .65rem;
    min-width: 0;
    flex: 1;
    color: var(--sh-ink);
    text-decoration: none;
}

.shell-logo {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    flex-shrink: 0;
    border-radius: .6rem;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    box-shadow: 0 6px 14px -6px rgba(99, 102, 241, .7);
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
}

.shell-brand-name {
    font-size: 1.02rem;
    font-weight: 700;
    letter-spacing: -.01em;
    white-space: nowrap;
}

.shell-brand-name span { color: var(--sh-ink-faint); font-weight: 600; }

.shell-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
    padding: .9rem .65rem;
    overflow-y: auto;
}

.shell-nav-label {
    margin: 0 0 .35rem;
    padding: 0 .7rem;
    font-size: .68rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    white-space: nowrap;
    color: var(--sh-ink-faint);
}

.shell-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: .7rem;
    width: 100%;
    margin: 1px 0;
    padding: .55rem .7rem;
    border: 0;
    border-radius: .6rem;
    background: none;
    color: var(--sh-ink-muted);
    font-family: inherit;
    font-size: .875rem;
    font-weight: 500;
    line-height: 1.25;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: background .15s, color .15s;
}

.shell-link:hover { background: var(--sh-raised); color: var(--sh-ink); }

.shell-link.is-active {
    background: var(--sh-accent-soft);
    color: var(--sh-accent-ink);
    font-weight: 600;
}

.shell-link.is-active::before {
    content: '';
    position: absolute;
    top: .45rem;
    bottom: .45rem;
    left: -.65rem;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: var(--sh-accent);
}

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

.shell-sidebar-foot {
    display: none; /* sólo trae "Contraer menú", que es de escritorio */
    flex-shrink: 0;
    padding: .65rem;
    border-top: 1px solid var(--sh-line);
}

.pro-badge {
    display: inline-block;
    flex-shrink: 0;
    padding: .22rem .38rem;
    border-radius: .35rem;
    background: #fef3c7;
    color: #92400e;
    font-size: .6rem;
    font-weight: 700;
    letter-spacing: .05em;
    line-height: 1;
    vertical-align: middle;
}

html.dark .pro-badge { background: rgba(245, 158, 11, .16); color: #fcd34d; }

.shell-backdrop {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(2, 6, 23, .55);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease;
}

.shell-body.menu-abierto .shell-backdrop { opacity: 1; pointer-events: auto; }

/* --- Columna principal y barra superior -------------------------------- */

.shell-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100vh;
    transition: padding-left .22s ease;
}

.shell-header,
.shell-guestbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: .75rem;
    height: var(--sh-header);
    padding: 0 1rem;
    border-bottom: 1px solid var(--sh-line);
    background: var(--sh-panel);
    background: color-mix(in srgb, var(--sh-panel) 86%, transparent);
    -webkit-backdrop-filter: saturate(1.4) blur(10px);
    backdrop-filter: saturate(1.4) blur(10px);
}

.shell-title {
    flex: 1;
    min-width: 0;
    margin: 0;
    overflow: hidden;
    color: var(--sh-ink-soft);
    font-size: .95rem;
    font-weight: 600;
    line-height: 1.3;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.shell-icon-btn {
    display: inline-grid;
    place-items: center;
    width: 2.25rem;
    height: 2.25rem;
    flex-shrink: 0;
    padding: 0;
    border: 0;
    border-radius: .55rem;
    background: none;
    color: var(--sh-ink-muted);
    cursor: pointer;
}

.shell-icon-btn:hover { background: var(--sh-raised); color: var(--sh-ink); }
.shell-icon-btn .shell-icon { width: 1.25rem; height: 1.25rem; }

.shell-bell { position: relative; }
.shell-bell-count {
    position: absolute;
    top: .1rem;
    right: .05rem;
    min-width: 1.05rem;
    height: 1.05rem;
    padding: 0 .25rem;
    border-radius: 999px;
    background: #e11d48;
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    line-height: 1.05rem;
    text-align: center;
}

.shell-toggles { display: none; align-items: center; gap: .5rem; }

.shell-pill {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    padding: 2px;
    border: 1px solid var(--sh-line);
    border-radius: 999px;
    background: var(--sh-panel);
}

.shell-pill-btn {
    display: grid;
    place-items: center;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: none;
    color: var(--sh-ink-faint);
    font-family: inherit;
    font-size: .68rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: background .15s, color .15s;
}

.shell-pill-btn:hover { color: var(--sh-ink-soft); }

.shell-pill-btn[aria-checked="true"] {
    background: var(--sh-raised);
    color: var(--sh-accent-ink);
    box-shadow: 0 1px 2px rgba(15, 23, 42, .14);
}

.shell-pill-icon { display: block; width: 1rem; height: 1rem; }

/* --- Menú de usuario ---------------------------------------------------- */

.shell-user { position: relative; flex-shrink: 0; }

.shell-user-btn {
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .3rem .45rem;
    border: 0;
    border-radius: .65rem;
    background: none;
    color: var(--sh-ink-soft);
    font-family: inherit;
    text-align: left;
    cursor: pointer;
}

.shell-user-btn:hover { background: var(--sh-raised); }

.shell-avatar {
    display: grid;
    place-items: center;
    width: 2rem;
    height: 2rem;
    flex-shrink: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: #fff;
    font-size: .8rem;
    font-weight: 700;
}

.shell-user-name { display: none; flex-direction: column; max-width: 11rem; line-height: 1.15; }

.shell-user-name span,
.shell-user-name small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.shell-user-name span { color: var(--sh-ink); font-size: .85rem; font-weight: 600; }
.shell-user-name small { color: var(--sh-ink-faint); font-size: .72rem; }

.shell-caret { display: none; width: 1rem; height: 1rem; color: var(--sh-ink-faint); }

.shell-menu {
    position: absolute;
    top: calc(100% + .5rem);
    right: 0;
    z-index: 60;
    width: 15rem;
    padding: .4rem;
    border: 1px solid var(--sh-line);
    border-radius: .85rem;
    background: var(--sh-panel);
    box-shadow: var(--sh-shadow);
}

.shell-menu[hidden] { display: none; }

.shell-menu-head {
    margin-bottom: .3rem;
    padding: .5rem .65rem .6rem;
    border-bottom: 1px solid var(--sh-line);
}

.shell-menu-head p,
.shell-menu-head small {
    display: block;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.shell-menu-head p { color: var(--sh-ink); font-size: .85rem; font-weight: 600; }
.shell-menu-head small { color: var(--sh-ink-faint); font-size: .75rem; }

.shell-menu-prefs {
    display: flex;
    flex-direction: column;
    gap: .45rem;
    margin-bottom: .3rem;
    padding: .45rem .65rem .6rem;
    border-bottom: 1px solid var(--sh-line);
}

.shell-menu-prefs > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    color: var(--sh-ink-muted);
    font-size: .82rem;
}

.shell-menu form { margin: 0; }

.shell-menu-item {
    display: flex;
    align-items: center;
    gap: .6rem;
    width: 100%;
    padding: .5rem .65rem;
    border: 0;
    border-radius: .55rem;
    background: none;
    color: var(--sh-ink-soft);
    font-family: inherit;
    font-size: .85rem;
    font-weight: 500;
    line-height: 1.2;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
}

.shell-menu-item:hover { background: var(--sh-raised); color: var(--sh-ink); }
.shell-menu-item .shell-icon { width: 1rem; height: 1rem; }
.shell-menu-item.is-danger { color: var(--sh-danger); }

/* --- Banner de prueba, contenido y barra de visitantes ------------------ */

.shell-trial {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: .3rem .9rem;
    padding: .5rem 1rem;
    background: linear-gradient(90deg, #312e81, #4338ca);
    color: #e0e7ff;
    font-size: .82rem;
    text-align: center;
}

.shell-trial a { color: #fff; font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }

.shell-content { flex: 1; min-width: 0; }

.shell-guestbar { justify-content: space-between; }
.shell-guestbar .shell-brand-link { flex: 0 1 auto; }
.shell-guestbar-end { display: flex; align-items: center; gap: .75rem; }
.shell-toggles.is-guest { display: flex; }

.shell-guest-link {
    color: var(--sh-ink-muted);
    font-size: .875rem;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
}

.shell-guest-link:hover { color: var(--sh-ink); }

.shell-guest-cta {
    padding: .5rem .9rem;
    border-radius: .6rem;
    background: #4f46e5;
    color: #fff;
    font-size: .85rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
}

.shell-guest-cta:hover { background: #4338ca; }

/* --- Foco visible con teclado ------------------------------------------- */

.shell-link:focus-visible,
.shell-icon-btn:focus-visible,
.shell-pill-btn:focus-visible,
.shell-user-btn:focus-visible,
.shell-menu-item:focus-visible,
.shell-brand-link:focus-visible,
.shell-guest-link:focus-visible,
.shell-guest-cta:focus-visible {
    outline: 2px solid var(--sh-accent);
    outline-offset: 2px;
}

/* --- Tamaños ------------------------------------------------------------ */

.shell-only-desktop { display: none !important; }

@media (max-width: 479px) {
    .shell-guestbar .shell-brand-name,
    .shell-guestbar .shell-guest-link { display: none; }
}

@media (min-width: 640px) {
    .shell-header, .shell-guestbar { padding: 0 1.5rem; }
    .shell-toggles { display: flex; }
    .shell-caret { display: block; }
    .shell-menu-prefs { display: none; }
}

@media (min-width: 768px) {
    .shell-user-name { display: flex; }
}

@media (min-width: 1024px) {
    .shell-sidebar { transform: none; }
    .shell-main { padding-left: var(--sh-sidebar); }
    .shell-backdrop, .shell-only-mobile { display: none !important; }
    .shell-only-desktop { display: flex !important; }
    .shell-sidebar-foot { display: block; }
    .shell-body.menu-abierto { overflow: visible; }

    /* Menú contraído: sólo íconos (la etiqueta queda en el title) */
    html.menu-mini .shell-sidebar { width: var(--sh-sidebar-mini); }
    html.menu-mini .shell-main { padding-left: var(--sh-sidebar-mini); }
    html.menu-mini .shell-brand { justify-content: center; padding: 0; }
    html.menu-mini .shell-brand-link { flex: 0 0 auto; }
    html.menu-mini .shell-brand-name,
    html.menu-mini .shell-link-text,
    html.menu-mini .shell-sidebar .pro-badge { display: none; }
    html.menu-mini .shell-nav-label {
        height: 1px;
        margin: 0 .6rem .55rem;
        padding: 0;
        overflow: hidden;
        background: var(--sh-line);
        color: transparent;
    }
    html.menu-mini .shell-link { justify-content: center; padding: .6rem; }
    html.menu-mini .shell-link.is-active::before { left: -.65rem; }
    html.menu-mini .shell-collapse-btn .shell-icon { transform: scaleX(-1); }
}

@media (prefers-reduced-motion: reduce) {
    .shell-sidebar, .shell-main, .shell-backdrop { transition: none; }
}

@media print {
    .shell-sidebar, .shell-header, .shell-backdrop, .shell-trial, .shell-guestbar { display: none !important; }
    .shell-main { padding-left: 0 !important; }
}