/* CSS/bottom-nav.css — Menú inferior del teléfono (lo crea JS/bottom-nav.js) y su tarjeta en Ajustes.
   Barra pegada al borde inferior, a todo el ancho, con el botón "+" acoplado en el centro. Sólo existe en pantallas
   ≤ 768px; en computador se sigue usando el menú lateral. Queda bajo las ventanas (.modal = 3000) y bajo el menú
   lateral (4000). */

.bnav { display: none; }

@media (max-width: 768px) {
    .bnav {
        --bnav-h: 64px;
        --bnav-bg: #191723;
        --bnav-fg: #a59dc0;
        --bnav-on: #ffffff;
        --bnav-accent: var(--au-blue-hi, #8cc4ff);
        --bnav-tint: linear-gradient(180deg, rgba(79, 143, 247, 0.28), rgba(150, 120, 250, 0.16));
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1990;
        display: flex;
        align-items: stretch;
        height: calc(var(--bnav-h) + env(safe-area-inset-bottom, 0px));
        padding: 0 4px env(safe-area-inset-bottom, 0px);
        background:
            radial-gradient(60% 120% at 50% 0%, rgba(139, 124, 246, 0.10), transparent 70%),
            var(--bnav-bg);
        border-top: 1px solid rgba(255, 255, 255, 0.07);
        box-shadow: 0 -10px 30px -12px rgba(0, 0, 0, 0.6);
        transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s ease;
    }
    /* Línea de luz violeta → menta en el borde superior */
    .bnav::before {
        content: '';
        position: absolute;
        left: 12%;
        right: 12%;
        top: -1px;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(179, 168, 255, 0.55) 30%, rgba(52, 211, 166, 0.45) 70%, transparent);
        pointer-events: none;
    }
    body.light-mode .bnav {
        --bnav-bg: #ffffff;
        --bnav-fg: #6b7280;
        --bnav-on: #111827;
        --bnav-accent: #6d5ce6;
        --bnav-tint: rgba(109, 92, 230, 0.12);
        border-top-color: rgba(0, 0, 0, 0.07);
        box-shadow: 0 -8px 24px -14px rgba(15, 23, 42, 0.25);
    }

    /* Dos mitades del mismo ancho: el hueco del "+" queda siempre en el centro exacto */
    .bnav-side {
        flex: 1 1 0;
        min-width: 0;
        display: flex;
        align-items: stretch;
    }

    .bnav-item {
        flex: 1 1 0;
        min-width: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        padding: 0;
        border: 0;
        background: none;
        color: var(--bnav-fg);
        font: inherit;
        font-size: 0.66rem;
        font-weight: 700;
        cursor: pointer;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        transition: color 0.2s ease;
    }
    .bnav-ico {
        display: grid;
        place-items: center;
        width: 44px;
        height: 28px;
        border-radius: 999px;
        transition: background-color 0.2s ease, transform 0.2s cubic-bezier(0.3, 1.4, 0.5, 1);
    }
    .bnav-ico svg { width: 21px; height: 21px; }
    .bnav-label { max-width: 100%; padding: 0 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

    .bnav-item.is-active { color: var(--bnav-on); }
    .bnav-item.is-active .bnav-ico {
        background: var(--bnav-tint);
        color: var(--bnav-accent);
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.10);
    }
    .bnav-item.is-active .bnav-ico svg { filter: none; }
    body.light-mode .bnav-item.is-active .bnav-ico { box-shadow: none; }
    body.light-mode .bnav-item.is-active .bnav-ico svg { filter: none; }
    .bnav-item.is-active .bnav-ico svg { stroke-width: 2.4; }
    .bnav-item:active .bnav-ico { transform: scale(0.88); }
    .bnav-item:focus-visible { outline: 2px solid var(--bnav-accent); outline-offset: -4px; border-radius: 14px; }

    /* Hueco central para el botón "+"; si el botón no está disponible, el hueco desaparece */
    .bnav-gap { flex: 0 0 76px; }
    body:not(.qa-fab-on) .bnav-gap { display: none; }

    /* Botón "+" acoplado al centro, sobresaliendo del borde superior de la barra; el anillo del color de la barra
       hace de muesca */
    body.has-bnav .qa-fab {
        left: calc(50% - 28px);
        right: auto;
        bottom: calc(28px + env(safe-area-inset-bottom, 0px));
        width: 56px;
        height: 56px;
        z-index: 1991;
    }
    body.dark-mode.has-bnav .qa-fab { outline: 5px solid #191723; }
    body.light-mode.has-bnav .qa-fab { outline: 5px solid #ffffff; }

    /* Espacio al final de cada vista para que la barra no tape el contenido */
    body.has-bnav .page-view.active { padding-bottom: calc(96px + env(safe-area-inset-bottom, 0px)) !important; }
    body.has-bnav #inventory-form .inv-form-actions { bottom: calc(64px + env(safe-area-inset-bottom, 0px)); }

    /* El encabezado ya no necesita la hamburguesa: muestra el logo */
    body.has-bnav .mobile-hamburger { display: none !important; }
    body.has-bnav .header .nav-left .logo { display: flex !important; margin-left: 4px !important; }
    body.has-bnav .header .nav-left .logo img { height: 32px !important; }
    body.has-bnav .header .nav-left .logo .logo-text-prospera { display: none !important; }

    /* Se oculta en el formulario completo (tiene su propia barra de guardar) y mientras se escribe */
    body:has(#form-view.active) .bnav,
    body.bnav-typing .bnav { transform: translateY(110%); opacity: 0; pointer-events: none; }
    body.bnav-typing.has-bnav .qa-fab { display: none; }
}

/* La pantalla de carga, mientras se desvanece, no debe recibir toques */
.fx-splash[style*="opacity: 0"] { pointer-events: none; }

/* ---------------------------------------------------------------
   Ajustes → Apariencia → Menú inferior
   --------------------------------------------------------------- */
.bnav-set-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(96px, 1fr));
    gap: 8px;
    margin-top: 10px;
}
.bnav-set-opt {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 0;
    padding: 12px 6px 10px;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    background: var(--input-bg);
    color: var(--text-secondary);
    font: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: border-color 0.2s ease, background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
}
.bnav-set-opt:active { transform: scale(0.96); }
.bnav-set-opt:disabled { opacity: 0.4; cursor: not-allowed; }
.bnav-set-ico { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: rgba(128, 128, 128, 0.12); }
.bnav-set-ico svg { width: 20px; height: 20px; }
.bnav-set-name { max-width: 100%; overflow-wrap: anywhere; text-align: center; }
.bnav-set-pos {
    position: absolute;
    top: 6px;
    right: 6px;
    min-width: 20px;
    height: 20px;
    border-radius: 999px;
    display: grid;
    place-items: center;
    font-size: 0.7rem;
    font-weight: 800;
}
.bnav-set-opt.is-on {
    color: var(--text-primary);
    border-color: color-mix(in srgb, var(--au-violet, #8b7cf6) 55%, transparent);
    background: color-mix(in srgb, var(--au-violet, #8b7cf6) 10%, var(--input-bg));
}
.bnav-set-opt.is-on .bnav-set-ico { color: #fff; background: var(--au-btn, #7c6cf0); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3); }
.bnav-set-opt.is-on .bnav-set-pos { color: #fff; background: var(--au-mint, #34d3a6); }
.bnav-set-foot { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.bnav-set-foot small { flex: 1 1 200px; min-width: 0; }
.bnav-set-reset {
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--text-primary);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 7px 14px;
    border-radius: 999px;
    cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
    .bnav, .bnav-ico, .bnav-set-opt { transition: none; }
}