/* =========================================================================
   BIG HOME — Sistema de diseño compartido
   Rediseño 2026. Usado por: index.html, componentes header/footer y (Tarea B)
   Productos.html, categorias.html, producto.html, carrito.html, etc.

   ÍNDICE
   1. Fuentes
   2. Tokens (:root)
   3. Reset y base
   4. Utilidades (layout, texto, accesibilidad)
   5. Botones
   6. Formularios
   7. Componentes genéricos: card, badge, chip, skeleton, empty, error-box
   8. Barra superior (topbar)
   9. Header / navegación
   10. Menú de usuario (auth.js)
   11. Hero
   12. Secciones genéricas
   13. Categorías
   14. Productos
   15. Ofertas
   16. Beneficios / servicios
   17. Nosotros
   18. Testimonios
   19. Banda CTA
   20. Contacto
   21. Footer
   22. Flotantes (WhatsApp, scroll-top)
   23. Responsive
   24. Movimiento reducido
   ========================================================================= */

/* ---------------------------------------------------------------------
   1. FUENTES
   --------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Fira+Sans:wght@400;500;600;700&family=Fira+Code:wght@400;500;600&display=swap');

/* ---------------------------------------------------------------------
   2. TOKENS
   --------------------------------------------------------------------- */
:root {
    /* ---- Color: marca / semántico (tema claro) ----
       Misma estructura de tokens que el Panel de Servidores, con el rojo
       BIG HOME como color primario en lugar del azul del panel. */
    --color-primary: #D01423;
    --color-primary-hover: #A90F1C;
    --color-on-primary: #FFFFFF;
    --color-background: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-foreground: #14141A;
    --color-muted: #F2F5FA;
    --color-muted-foreground: #5B6472;
    --color-border: #E4E8F2;
    --color-border-strong: #D3DAE6;
    --color-ring: #D01423;

    /* Superficie oscura fija (barra superior): no se invierte en modo oscuro */
    --color-shell: #14141A;
    --color-shell-foreground: rgba(255, 255, 255, 0.82);

    /* Pares fondo/texto para badges tipo píldora (contraste ≥ 4.5:1) */
    --color-brand-bg: #FCE9EB;
    --color-brand-fg: #A90F1C;
    --color-success: #047857;
    --color-success-bg: #DCFCE7;
    --color-success-fg: #15803D;
    --color-warning: #B45309;
    --color-warning-bg: #FEF3C7;
    --color-warning-fg: #92400E;
    --color-danger: #DC2626;
    --color-danger-bg: #FEE2E2;
    --color-danger-fg: #B91C1C;
    --color-neutral-bg: #F1F5F9;
    --color-neutral-fg: #4B5563;
    --color-info: #1D4ED8;
    --color-star: #B45309;
    --color-whatsapp: #128C4A;
    --color-whatsapp-dark: #0E7038;

    /* Alias retro-compatibles (nombres usados por el HTML/JS existentes) */
    --color-primary-dark: var(--color-primary-hover);
    --color-primary-darker: var(--color-primary-hover);
    --color-primary-tint: var(--color-brand-bg);
    --color-primary-tint-strong: color-mix(in srgb, var(--color-primary) 26%, transparent);
    --color-ink: var(--color-foreground);
    --color-ink-soft: var(--color-foreground);
    --color-gray: var(--color-muted-foreground);
    --color-gray-light: color-mix(in srgb, var(--color-muted-foreground) 70%, var(--color-surface));
    --color-line: var(--color-border);
    --color-line-soft: var(--color-border);
    --color-bg: var(--color-background);
    --color-bg-alt: var(--color-muted);
    --color-white: var(--color-surface);

    /* Gradientes (uso puntual, nunca como fondo dominante) */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    --gradient-hero: linear-gradient(160deg, color-mix(in srgb, var(--color-primary) 6%, var(--color-surface)) 0%, var(--color-background) 100%);
    --gradient-dark: linear-gradient(150deg, var(--color-muted) 0%, var(--color-background) 100%);

    /* Tipografía: Fira Sans (interfaz) + Fira Code (números, precios, códigos) */
    --font-sans: 'Fira Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-mono: 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Consolas, 'Liberation Mono', monospace;
    --font-heading: var(--font-sans);
    --font-body: var(--font-sans);

    --text-xs: 0.75rem;   /* 12 */
    --text-sm: 0.875rem;  /* 14 */
    --text-base: 1rem;    /* 16 */
    --text-lg: 1.125rem;  /* 18 */
    --text-xl: 1.5rem;    /* 24 */
    --text-2xl: 2rem;     /* 32 */
    --text-3xl: 2.5rem;   /* 40 */

    /* Espaciado (escala 4/8) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;

    /* Radios contenidos (6 / 10 / 16 / píldora), como en el panel */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-full: 999px;
    --radius-pill: 999px;

    /* Elevación sutil: la línea de 1px hace el trabajo, la sombra acompaña */
    --shadow-1: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-2: 0 2px 8px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
    --shadow-3: 0 8px 28px rgba(15, 23, 42, 0.14), 0 2px 6px rgba(15, 23, 42, 0.08);
    --shadow-sm: var(--shadow-1);
    --shadow-md: var(--shadow-2);
    --shadow-lg: var(--shadow-3);

    /* Transición */
    --transition: 180ms ease-out;
    --transition-slow: 240ms ease-out;
    --focus-ring: 0 0 0 2px var(--color-background), 0 0 0 4px var(--color-ring);

    /* Z-index */
    --z-header: 100;
    --z-dropdown: 200;
    --z-float: 300;
    --z-modal: 1000;

    /* Contenedor */
    --container-max: 1240px;
}

/* ---------------------------------------------------------------------
   2b. MODO OSCURO (prefers-color-scheme), como en el panel:
   superficies oscuras desaturadas, nunca un simple "invertir".
   --------------------------------------------------------------------- */
@media (prefers-color-scheme: dark) {
    :root {
        --color-primary: #FF7A82;
        --color-primary-hover: #FF9AA0;
        --color-on-primary: #1A0A0C;
        --color-background: #101219;
        --color-surface: #181B23;
        --color-foreground: #E7EAF0;
        --color-muted: #20242E;
        --color-muted-foreground: #A7AFBD;
        --color-border: #2A2F3B;
        --color-border-strong: #39404F;
        --color-ring: #FF7A82;

        --color-shell: #0C0E13;
        --color-shell-foreground: rgba(255, 255, 255, 0.78);

        --color-brand-bg: rgba(255, 122, 130, 0.16);
        --color-brand-fg: #FFA8AD;
        --color-success: #34D399;
        --color-success-bg: rgba(52, 211, 153, 0.16);
        --color-success-fg: #6EE7B7;
        --color-warning: #FBBF24;
        --color-warning-bg: rgba(251, 191, 36, 0.16);
        --color-warning-fg: #FCD34D;
        --color-danger: #F87171;
        --color-danger-bg: rgba(248, 113, 113, 0.16);
        --color-danger-fg: #FCA5A5;
        --color-neutral-bg: rgba(148, 163, 184, 0.16);
        --color-neutral-fg: #CBD5E1;
        --color-info: #93C5FD;
        --color-star: #FBBF24;
        --color-whatsapp: #34D399;
        --color-whatsapp-dark: #6EE7B7;

        --shadow-1: 0 1px 2px rgba(0, 0, 0, 0.35);
        --shadow-2: 0 2px 10px rgba(0, 0, 0, 0.4);
        --shadow-3: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
}

/* ---------------------------------------------------------------------
   3. RESET Y BASE
   --------------------------------------------------------------------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--color-foreground);
    background-color: var(--color-background);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    font-weight: 700;
    color: var(--color-foreground);
    line-height: 1.25;
    letter-spacing: -0.005em;
}

/* Números, precios, códigos e IDs: Fira Code con cifras tabulares */
.mono,
.num,
.price-current,
.price-old,
.stat__number,
.offer-banner__title,
.product-card__sku,
.nav__cart-count,
.categoria-count {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    font-feature-settings: 'tnum' 1;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

button {
    border: none;
    outline: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: var(--text-base);
    border: none;
    outline: none;
    color: inherit;
}

svg {
    display: block;
}

/* Icono SVG en línea (estilo Lucide) */
.icon {
    width: 1.15em;
    height: 1.15em;
    flex-shrink: 0;
    stroke: currentColor;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
}

.icon--fill {
    fill: currentColor;
    stroke: none;
}

/* Marcador oculto: algunos scripts (config.js, app.js) detectan iconos por
   clase de Font Awesome (fa-facebook, fa-phone, etc.) para actualizar
   enlaces/textos dinámicamente. Se conservan como <i> ocultos junto al
   SVG visible, para no romper esa lógica sin tocar los .js. */
.icon-marker {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

/* Foco visible accesible en todo el sitio */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--color-ring);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------------------------------------------------------------------
   4. UTILIDADES
   --------------------------------------------------------------------- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-4);
}

.text-highlight {
    color: var(--color-primary);
}

.grid {
    display: grid;
    gap: var(--space-6);
}

.seccion {
    padding: var(--space-16) 0;
}

.seccion--tight {
    padding: var(--space-12) 0;
}

.seccion--alt {
    background: var(--color-bg);
}

.seccion--dark {
    background: var(--color-shell);
    color: var(--color-shell-foreground);
}

.section__header {
    max-width: 640px;
    margin: 0 auto var(--space-8);
    text-align: center;
}

.section__header--left {
    margin-left: 0;
    text-align: left;
}

.section__title {
    font-size: clamp(1.5rem, 1.15rem + 1.5vw, var(--text-2xl));
    font-weight: 700;
    color: var(--color-ink);
    margin-bottom: var(--space-2);
}

.section__subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray);
    font-weight: 400;
}

.text-center { text-align: center; }

/* Números de precio: alineación tabular */
.price-current,
.stat__number,
.offer-banner__title {
    font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------------
   5. BOTONES
   --------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 44px;
    padding: 11px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: var(--text-sm);
    line-height: 1.2;
    border: 1px solid transparent;
    transition: background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
    white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn-primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
}

.btn-primary-outline {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-border-strong);
}

.btn-primary-outline:hover {
    background: var(--color-brand-bg);
    border-color: var(--color-primary);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-foreground);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-muted);
    border-color: var(--color-border-strong);
}

.btn-whatsapp {
    background: var(--color-surface);
    color: var(--color-whatsapp-dark);
    border-color: var(--color-border);
}

.btn-whatsapp:hover {
    background: var(--color-muted);
    border-color: var(--color-border-strong);
}

.btn-light {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-border);
}

.btn-light:hover {
    background: var(--color-muted);
}

.btn-dark {
    background: var(--color-foreground);
    color: var(--color-surface);
}

.btn-full {
    width: 100%;
}

.btn-retry {
    background: var(--color-surface);
    color: var(--color-primary);
    border-color: var(--color-border-strong);
    margin-top: var(--space-3);
}

.btn-retry:hover {
    background: var(--color-brand-bg);
    border-color: var(--color-primary);
}

/* Botón de icono (carrito, usuario, agregar al carrito) */
.btn-icon {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-foreground);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.btn-icon:hover {
    background: var(--color-muted);
    border-color: var(--color-border-strong);
}

.btn-add-cart {
    min-width: 44px;
    min-height: 44px;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-on-primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: background-color var(--transition), transform var(--transition);
}

.btn-add-cart:hover {
    background: var(--color-primary-hover);
}

.btn-add-cart:active { transform: translateY(1px); }

.btn-add-cart:disabled {
    background: var(--color-muted);
    color: var(--color-muted-foreground);
    cursor: not-allowed;
    transform: none;
}

/* ---------------------------------------------------------------------
   6. FORMULARIOS
   --------------------------------------------------------------------- */
.form__group {
    margin-bottom: var(--space-4);
}

.form__label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-ink-soft);
    margin-bottom: var(--space-2);
}

.form__label {
    letter-spacing: 0.01em;
}

.form__input,
.form__textarea,
select.form__input {
    width: 100%;
    min-height: 44px;
    padding: 11px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    font-size: 15px;
    color: var(--color-foreground);
    transition: border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-muted-foreground);
    opacity: 0.85;
}

.form__input:focus,
.form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 22%, transparent);
    background: var(--color-surface);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

.form__error {
    display: none;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-danger);
    font-size: var(--text-sm);
    margin-top: var(--space-2);
}

.form__group.is-invalid .form__input,
.form__group.is-invalid .form__textarea {
    border-color: var(--color-danger);
}

.form__group.is-invalid .form__error {
    display: flex;
}

/* ---------------------------------------------------------------------
   7. COMPONENTES GENÉRICOS
   --------------------------------------------------------------------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-1);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-2);
    border-color: var(--color-border-strong);
}

/* Badge compacto tipo píldora (fondo suave + texto del mismo tono),
   con punto o icono pequeño opcional — igual que en el panel. */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 11px;
    border-radius: var(--radius-pill);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.01em;
    line-height: 1.6;
    background: var(--color-brand-bg);
    color: var(--color-brand-fg);
}

.badge .icon { width: 13px; height: 13px; }

.badge__dot,
.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.badge--sale { background: var(--color-brand-bg); color: var(--color-brand-fg); }
.badge--hot { background: var(--color-warning-bg); color: var(--color-warning-fg); }
.badge--new { background: var(--color-neutral-bg); color: var(--color-neutral-fg); }
.badge--success { background: var(--color-success-bg); color: var(--color-success-fg); }

.chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 6px 14px;
    border-radius: var(--radius-pill);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-foreground);
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.chip:hover {
    background: var(--color-muted);
    border-color: var(--color-border-strong);
}

.chip.is-active {
    background: var(--color-brand-bg);
    border-color: var(--color-primary);
    color: var(--color-brand-fg);
}

/* Skeleton (shimmer) para estados de carga */
.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--color-muted);
    border-radius: var(--radius-sm);
    isolation: isolate;
}

.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--color-foreground) 6%, transparent), transparent);
    transform: translateX(-100%);
    animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
    100% { transform: translateX(100%); }
}

.skeleton-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    padding-bottom: var(--space-4);
}

.skeleton-card__image {
    aspect-ratio: 1 / 1;
    border-radius: 0;
}

.skeleton-card__line {
    height: 14px;
    margin: var(--space-3) var(--space-4) 0;
    border-radius: var(--radius-sm);
}

.skeleton-card__line--sm { width: 60%; }

.skeleton-grid {
    display: grid;
    gap: var(--space-5);
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    grid-column: 1 / -1;
}

/* Estado vacío */
.empty {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2);
    padding: var(--space-12) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-muted-foreground);
}

.empty__icon {
    width: 36px;
    height: 36px;
    margin-bottom: var(--space-2);
    color: var(--color-muted-foreground);
    opacity: 0.7;
}

.empty__title {
    color: var(--color-foreground);
    font-size: var(--text-lg);
    font-weight: 600;
}

.empty__text {
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
    max-width: 34rem;
}

/* Estado de error amable (nunca "HTTP 500" en crudo) */
.error-box {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-2);
    padding: var(--space-10) var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-1);
    color: var(--color-muted-foreground);
}

.error-box__icon {
    width: 36px;
    height: 36px;
    margin-bottom: var(--space-1);
    color: var(--color-primary);
}

.error-box__title {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-foreground);
}

.error-box__text {
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
    max-width: 34rem;
}

/* Toast (notificaciones) — mismo patrón del panel */
.toast-stack {
    position: fixed;
    top: 90px;
    right: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    z-index: var(--z-modal);
    max-width: 360px;
    width: calc(100% - 40px);
    pointer-events: none;
}

.toast {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-muted-foreground);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-2);
    padding: var(--space-3);
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-foreground);
    animation: toast-in 180ms ease-out;
    pointer-events: auto;
}

.toast .icon { margin-top: 2px; width: 18px; height: 18px; }
.toast.exito { border-left-color: var(--color-success); }
.toast.exito .icon { color: var(--color-success); }
.toast.error { border-left-color: var(--color-danger); }
.toast.error .icon { color: var(--color-danger); }
.toast.info { border-left-color: var(--color-primary); }
.toast.info .icon { color: var(--color-primary); }

@keyframes toast-in {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media screen and (max-width: 560px) {
    .toast-stack {
        left: var(--space-3);
        right: var(--space-3);
        top: 76px;
        max-width: none;
        width: auto;
    }
}

/* ---------------------------------------------------------------------
   8. BARRA SUPERIOR
   --------------------------------------------------------------------- */
.topbar {
    background: var(--color-muted);
    color: var(--color-muted-foreground);
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-xs);
    position: relative;
    z-index: var(--z-header);
}

.topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-2) 0;
}

.topbar__group {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.topbar__item {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    white-space: nowrap;
}

.topbar__item .icon {
    color: var(--color-primary);
    width: 14px;
    height: 14px;
}

/* ---------------------------------------------------------------------
   9. HEADER / NAVEGACIÓN
   --------------------------------------------------------------------- */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    /* !important: app.js (no modificable) fija una sombra pesada en línea al
       hacer scroll; aquí se mantiene la elevación sutil del sistema. */
    box-shadow: var(--shadow-1) !important;
    transition: box-shadow var(--transition);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    height: 72px;
}

.nav__logo-img {
    height: 38px;
}

.nav__menu {
    display: flex;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.nav__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-ink-soft);
    position: relative;
    padding: var(--space-2) 0;
    transition: color var(--transition);
}

.nav__link .icon {
    width: 16px;
    height: 16px;
    color: var(--color-gray-light);
    transition: color var(--transition);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-primary);
}

.nav__link:hover .icon,
.nav__link.active .icon {
    color: var(--color-primary);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.nav__search {
    position: relative;
    display: flex;
}

.nav__search-input {
    width: 240px;
    min-height: 44px;
    padding: 10px 52px 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-foreground);
    font-size: var(--text-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.nav__search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 22%, transparent);
    background: var(--color-surface);
}

/* Objetivo táctil completo (44px) pegado al borde del campo */
.nav__search-submit,
.nav__search-icon {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 44px;
    border: 1px solid var(--color-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: var(--color-primary);
    color: var(--color-on-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition);
}

.nav__search-submit:hover,
.nav__search-icon:hover {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.nav__search-submit .icon,
.nav__search-icon .icon {
    width: 16px;
    height: 16px;
}

/* Sugerencias de busqueda del header */
.search-suggest {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 60;
    max-height: 60vh;
    overflow-y: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-2);
    padding: var(--space-1);
}

.search-suggest[hidden] { display: none; }

.search-suggest__item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-foreground);
}

.search-suggest__item:hover,
.search-suggest__item.is-active {
    background: var(--color-muted);
}

.search-suggest__body {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
    flex: 1;
}

.search-suggest__name {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.search-suggest__meta {
    font-size: 0.75rem;
    color: var(--color-muted-foreground);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-suggest__price {
    font-weight: 700;
    font-size: 0.875rem;
    color: var(--color-primary);
    white-space: nowrap;
}

.search-suggest mark {
    background: var(--color-brand-bg);
    color: inherit;
    padding: 0 1px;
    border-radius: 2px;
}

.search-suggest__empty {
    padding: var(--space-4) var(--space-3);
    font-size: 0.875rem;
    color: var(--color-muted-foreground);
    text-align: center;
}

.search-suggest__all {
    display: block;
    width: 100%;
    margin-top: var(--space-1);
    padding: var(--space-3);
    border: none;
    border-top: 1px solid var(--color-border);
    background: none;
    color: var(--color-primary);
    font: inherit;
    font-size: 0.8125rem;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.search-suggest__all:hover { background: var(--color-muted); }

/* Caja de busqueda del panel de filtros (pagina de productos) */
.filters__search {
    position: relative;
    display: flex;
}

.filters__search input {
    width: 100%;
    min-height: 40px;
    padding: 8px 36px 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-foreground);
    font: inherit;
    font-size: 0.875rem;
}

.filters__search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-brand-bg);
}

.filters__search input::-webkit-search-cancel-button { display: none; }

.filters__search-clear {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    background: none;
    color: var(--color-muted-foreground);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.filters__search-clear:hover { background: var(--color-muted); color: var(--color-foreground); }
.filters__search-clear[hidden] { display: none; }
.filters__search-clear .icon { width: 14px; height: 14px; }

.filters__hint {
    margin: var(--space-2) 0 0;
    font-size: 0.75rem;
    line-height: 1.4;
    color: var(--color-muted-foreground);
}

.filters__hint em { font-style: normal; font-weight: 600; }

.nav__cart,
.nav__user,
.nav__user-btn {
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-foreground);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.nav__cart:hover,
.nav__user:hover,
.nav__user-btn:hover {
    background: var(--color-muted);
    border-color: var(--color-border-strong);
    color: var(--color-primary);
}

.nav__cart .icon,
.nav__user .icon,
.nav__user-btn .icon {
    width: 20px;
    height: 20px;
}

/* El contenedor del usuario envuelve un botón propio: evita el doble marco */
.nav__user:has(.nav__user-btn) {
    background: transparent;
    border-color: transparent;
    width: auto;
    height: auto;
}

.nav__cart-count {
    position: absolute;
    top: -6px;
    right: -6px;
    min-width: 20px;
    height: 20px;
    padding: 0 5px;
    border-radius: var(--radius-pill);
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-surface);
}

.nav__toggle {
    display: none;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    transition: background-color var(--transition);
}

.nav__toggle:hover {
    background: var(--color-bg);
}

.nav__toggle .icon {
    width: 24px;
    height: 24px;
}

.nav__toggle .icon-close { display: none; }
.nav__toggle.is-open .icon-menu { display: none; }
.nav__toggle.is-open .icon-close { display: block; }

/* Menú desplegable de categorías */
.nav__item--dropdown {
    position: relative;
}

.nav__item--dropdown .nav__link {
    cursor: pointer;
}

.dropdown-icon {
    width: 12px;
    height: 12px;
    margin-left: -4px;
    transition: transform var(--transition);
}

.nav__item--dropdown:hover .dropdown-icon,
.nav__item--dropdown:focus-within .dropdown-icon {
    transform: rotate(180deg);
}

.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 300px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
    z-index: var(--z-dropdown);
    margin-top: var(--space-2);
}

.nav__item--dropdown:hover .nav__dropdown,
.nav__item--dropdown:focus-within .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav__dropdown-list {
    padding: var(--space-2) 0;
}

.nav__dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    color: var(--color-ink-soft);
    font-size: var(--text-sm);
    transition: background-color var(--transition), color var(--transition);
}

.nav__dropdown-item .icon {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

.nav__dropdown-item:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

.nav__dropdown-item--all {
    font-weight: 700;
    border-top: 1px solid var(--color-line-soft);
    margin-top: var(--space-2);
    padding-top: var(--space-3);
}

.categoria-count {
    margin-left: auto;
    background: var(--color-brand-bg);
    color: var(--color-brand-fg);
    padding: 2px 9px;
    border-radius: var(--radius-pill);
    font-size: var(--text-xs);
    font-weight: 600;
}

/* ---------------------------------------------------------------------
   10. MENÚ DE USUARIO (generado por auth.js)
   --------------------------------------------------------------------- */
.user-menu {
    position: relative;
}

.nav__user-btn {
    width: auto;
    padding: 0 var(--space-3) 0 var(--space-2);
    border-radius: var(--radius-full);
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 600;
}

.nav__user-btn span {
    max-width: 90px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    min-width: 220px;
    background: var(--color-white);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
    z-index: var(--z-dropdown);
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown__header {
    padding: var(--space-2) var(--space-4) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-dropdown__header strong {
    font-size: var(--text-sm);
    color: var(--color-ink);
}

.user-dropdown__header small {
    color: var(--color-gray);
    font-size: var(--text-xs);
    text-transform: capitalize;
}

.user-dropdown hr {
    border: none;
    border-top: 1px solid var(--color-line-soft);
    margin: var(--space-2) 0;
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    color: var(--color-ink-soft);
    transition: background-color var(--transition), color var(--transition);
}

.user-dropdown a:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

/* ---------------------------------------------------------------------
   11. HERO
   --------------------------------------------------------------------- */
/* Hero calmado: superficie casi blanca, la marca aparece como acento
   (titular, píldora, panel degradado lateral), no como bloque saturado. */
.hero {
    position: relative;
    overflow: hidden;
    background: var(--gradient-hero);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-foreground);
    padding: var(--space-12) 0 var(--space-10);
}

.hero__container {
    position: relative;
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--space-10);
    align-items: center;
}

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-brand-bg);
    color: var(--color-brand-fg);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-4);
}

.hero__eyebrow .icon {
    width: 14px;
    height: 14px;
}

.hero__title {
    font-size: clamp(1.9rem, 1.4rem + 2.2vw, var(--text-3xl));
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-foreground);
    margin-bottom: var(--space-3);
}

.hero__title .text-highlight {
    color: var(--color-primary);
}

.hero__description {
    color: var(--color-muted-foreground);
    font-size: var(--text-lg);
    line-height: 1.65;
    max-width: 34rem;
    margin-bottom: var(--space-6);
    font-weight: 400;
}

.hero__search {
    display: flex;
    gap: var(--space-2);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-1);
    box-shadow: var(--shadow-1);
    max-width: 30rem;
    margin-bottom: var(--space-5);
}

.hero__search:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

.hero__search-input {
    flex: 1;
    min-width: 0;
    padding: 12px 14px;
    font-size: 15px;
    color: var(--color-foreground);
    background: transparent;
}

.hero__search-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-radius: var(--radius-sm);
    padding: 0 var(--space-5);
    font-weight: 600;
    font-size: var(--text-sm);
    font-family: var(--font-sans);
    transition: background-color var(--transition);
    min-height: 44px;
}

.hero__search-btn:hover {
    background: var(--color-primary-hover);
}

.hero__search-btn .icon {
    width: 18px;
    height: 18px;
}

.hero__buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

/* Panel visual: accesos rápidos a categorías, sobre degradado rojo contenido */
.hero__visual {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background:
        radial-gradient(circle at 85% 12%, color-mix(in srgb, var(--color-primary) 16%, transparent), transparent 55%),
        linear-gradient(160deg, color-mix(in srgb, var(--color-primary) 9%, var(--color-surface)) 0%, var(--color-surface) 100%);
    box-shadow: var(--shadow-1);
}

.hero__tile {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-5) var(--space-3);
    text-align: center;
    color: var(--color-foreground);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.hero__tile:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-2);
}

.hero__tile .icon {
    width: 24px;
    height: 24px;
    margin: 0 auto var(--space-2);
    color: var(--color-primary);
}

.hero__tile span {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
}

/* Franja de confianza (stats): superficie blanca, línea de 1px, cifras mono */
.hero__stats {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    /* gap de 1px sobre el color de línea: separadores exactos en cualquier
       número de columnas, sin bordes condicionales */
    gap: 1px;
    margin-top: var(--space-10);
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-1);
    overflow: hidden;
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface);
}

.stat .icon {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.stat__number {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-foreground);
    line-height: 1.2;
}

.stat__text {
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
}

/* ---------------------------------------------------------------------
   13. CATEGORÍAS
   --------------------------------------------------------------------- */
.categories { background: var(--color-background); }

.categories__grid,
.products__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

.category-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-1);
    padding: var(--space-5);
    text-align: center;
    cursor: pointer;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.category-card:hover,
.category-card:focus-visible {
    box-shadow: var(--shadow-2);
    border-color: var(--color-border-strong);
}

.category-card__icon {
    width: 44px;
    height: 44px;
    margin: 0 auto var(--space-3);
    background: var(--color-brand-bg);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-brand-fg);
    transition: background-color var(--transition), color var(--transition);
}

.category-card__icon .icon,
.category-card__icon i {
    width: 20px;
    height: 20px;
    font-size: 18px;
}

.category-card__title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--color-foreground);
}

.category-card__description,
.category-card__count {
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
    margin-bottom: var(--space-3);
}

.category-card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--text-sm);
    transition: gap var(--transition);
}

.category-card__link .icon {
    width: 14px;
    height: 14px;
}

.category-card__link:hover {
    gap: var(--space-3);
}

/* ---------------------------------------------------------------------
   14. PRODUCTOS
   --------------------------------------------------------------------- */
.products { padding: var(--space-16) 0; background: var(--color-background); }

.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.product-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-2);
}

/* Badge de descuento / novedad: píldora compacta con punto, como el panel */
.product-card__badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--color-brand-bg);
    color: var(--color-brand-fg);
    padding: 3px 10px;
    border-radius: var(--radius-pill);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.01em;
    z-index: 2;
}

.product-card__badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.badge-sale { background: var(--color-brand-bg); color: var(--color-brand-fg); }
.badge-hot { background: var(--color-warning-bg); color: var(--color-warning-fg); }

.product-card__image {
    aspect-ratio: 4 / 3;
    background: #FFFFFF;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    padding: var(--space-3);
}

.product-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: transparent;
}

.product-card__icon {
    width: 40px;
    height: 40px;
    font-size: 32px;
    color: var(--color-muted-foreground);
    opacity: 0.55;
}

/* Placeholder para productos sin foto: marca de agua del logo + camara tachada */
.noimg {
    position: absolute;
    inset: 0;
    container-type: size;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4cqh;
    background: #FFFFFF;
    color: var(--color-muted-foreground);
    overflow: hidden;
    user-select: none;
}

.noimg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/logobig2.png') no-repeat center / 82% auto;
    opacity: 0.09;
}

.noimg__text {
    position: relative;
    font-size: clamp(9px, min(7cqw, 9cqh), 18px);
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.3;
    opacity: 0.75;
}

/* En miniaturas (carrito) el texto parte en dos lineas */
@container (max-width: 130px) {
    .noimg::before { background-size: 92% auto; opacity: 0.1; }
    .noimg__text { letter-spacing: 0.04em; padding: 0 6%; }
}

.product-card__content {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: var(--space-1);
}

.product-card__brand,
.product-card__sku {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-muted-foreground);
}

.product-card__title {
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.45;
    color: var(--color-foreground);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 2.9em;
    cursor: pointer;
}

.product-card__description {
    font-size: var(--text-sm);
    color: var(--color-muted-foreground);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--space-1);
}

.product-card__description:empty { display: none; }

.product-card__rating {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-bottom: var(--space-2);
}

.product-card__rating .icon {
    width: 14px;
    height: 14px;
    color: var(--color-star);
}

.product-card__rating span {
    color: var(--color-gray);
    font-size: var(--text-xs);
    margin-left: var(--space-1);
}

.product-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    flex-wrap: wrap;
    padding-top: var(--space-3);
    margin-top: auto;
    border-top: 1px solid var(--color-border);
}

.product-card__price {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.price-current {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-primary);
    letter-spacing: -0.01em;
}

.price-old {
    font-size: var(--text-sm);
    color: var(--color-muted-foreground);
    text-decoration: line-through;
}

.price-consultar {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-whatsapp-dark);
    font-weight: 600;
    font-size: var(--text-sm);
}

.price-login-required {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-gray);
    font-weight: 600;
    font-size: var(--text-sm);
    cursor: pointer;
}

.price-login-required .icon { width: 14px; height: 14px; }

.products__cta {
    text-align: center;
    margin-top: var(--space-8);
}

/* ---------------------------------------------------------------------
   15. OFERTAS
   --------------------------------------------------------------------- */
.offers { background: var(--color-background); }

.offers__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

/* Ofertas: superficie blanca + línea; el rojo se usa solo en la píldora,
   el precio y el botón de la oferta principal. */
.offer-banner {
    position: relative;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    box-shadow: var(--shadow-1);
    padding: var(--space-6);
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-2);
    overflow: hidden;
    color: var(--color-foreground);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.offer-banner:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-2);
}

/* La oferta principal lleva un degradado rojo muy contenido */
.offer-banner--primary {
    background:
        radial-gradient(circle at 88% 8%, color-mix(in srgb, var(--color-primary) 18%, transparent), transparent 60%),
        linear-gradient(160deg, color-mix(in srgb, var(--color-primary) 10%, var(--color-surface)) 0%, var(--color-surface) 100%);
    border-color: color-mix(in srgb, var(--color-primary) 28%, var(--color-border));
}

.offer-banner--secondary,
.offer-banner--tertiary {
    background: var(--color-surface);
}

.offer-banner__content {
    position: relative;
    z-index: 2;
}

.offer-banner__label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--color-brand-bg);
    color: var(--color-brand-fg);
    padding: 3px 11px;
    border-radius: var(--radius-pill);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.01em;
    margin-bottom: var(--space-2);
}

.offer-banner__label::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.offer-banner__title {
    font-size: var(--text-xl);
    font-weight: 700;
    margin-bottom: var(--space-1);
    color: var(--color-foreground);
    letter-spacing: -0.01em;
}

.offer-banner__text {
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

.offer-banner__icon {
    position: absolute;
    right: -8px;
    bottom: -8px;
    width: 110px;
    height: 110px;
    opacity: 0.06;
    z-index: 1;
    color: var(--color-foreground);
}

.offer-banner--primary .offer-banner__icon { color: var(--color-primary); opacity: 0.12; }

/* ---------------------------------------------------------------------
   16. BENEFICIOS / SERVICIOS
   --------------------------------------------------------------------- */
.services { padding: 0 0 var(--space-16); background: var(--color-background); }

.services__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-5);
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    box-shadow: var(--shadow-1);
    transition: box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-2);
}

.service-card__icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--color-brand-bg);
    color: var(--color-brand-fg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-3);
}

.service-card__icon .icon { width: 20px; height: 20px; }

.service-card__title {
    font-size: var(--text-base);
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--color-foreground);
}

.service-card__text {
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
    line-height: 1.6;
}

/* ---------------------------------------------------------------------
   17. NOSOTROS
   --------------------------------------------------------------------- */
.about { background: var(--color-background); }

.about__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
}

.about__image-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    background:
        radial-gradient(circle at 20% 15%, color-mix(in srgb, var(--color-primary) 12%, transparent), transparent 55%),
        linear-gradient(160deg, var(--color-surface) 0%, var(--color-muted) 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about__image-placeholder .icon {
    width: 72px;
    height: 72px;
    color: var(--color-primary);
    opacity: 0.35;
}

.about__content .section__title {
    text-align: left;
}

.about__text {
    color: var(--color-gray);
    margin-bottom: var(--space-4);
    line-height: 1.8;
}

.about__features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin: var(--space-6) 0;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-ink-soft);
    font-weight: 600;
    font-size: var(--text-sm);
}

.about__feature .icon {
    color: var(--color-primary);
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

/* ---------------------------------------------------------------------
   18. TESTIMONIOS
   --------------------------------------------------------------------- */
.testimonials { padding: var(--space-16) 0; background: var(--color-background); }

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.testimonial-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-5);
    box-shadow: var(--shadow-1);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.testimonial-card__stars {
    display: flex;
    align-items: center;
    gap: 2px;
    color: var(--color-star);
}

.testimonial-card__stars .icon { width: 16px; height: 16px; }

.testimonial-card__text {
    color: var(--color-foreground);
    line-height: 1.65;
    font-size: var(--text-sm);
    flex: 1;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.testimonial-card__avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-pill);
    background: var(--color-brand-bg);
    color: var(--color-brand-fg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

.testimonial-card__name { font-weight: 600; font-size: var(--text-sm); color: var(--color-foreground); }
.testimonial-card__role { color: var(--color-muted-foreground); font-size: var(--text-xs); }

/* ---------------------------------------------------------------------
   19. BANDA CTA
   --------------------------------------------------------------------- */
/* Banda CTA: panel con degradado rojo contenido sobre superficie, no bloque plano */
.cta-band {
    background:
        radial-gradient(circle at 92% 0%, color-mix(in srgb, var(--color-primary) 20%, transparent), transparent 55%),
        linear-gradient(150deg, color-mix(in srgb, var(--color-primary) 10%, var(--color-surface)) 0%, var(--color-surface) 100%);
    border: 1px solid color-mix(in srgb, var(--color-primary) 24%, var(--color-border));
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    color: var(--color-foreground);
    box-shadow: var(--shadow-1);
    margin: 0 auto var(--space-16);
}

.cta-band h2 {
    font-size: clamp(1.3rem, 1.05rem + 1vw, var(--text-xl));
    font-weight: 700;
    margin-bottom: var(--space-1);
    color: var(--color-foreground);
}

.cta-band p {
    color: var(--color-muted-foreground);
}

.cta-band .btn-light {
    background: var(--color-primary);
    color: var(--color-on-primary);
    border-color: transparent;
}

.cta-band .btn-light:hover {
    background: var(--color-primary-hover);
}

.cta-band .btn-light {
    white-space: nowrap;
}

/* ---------------------------------------------------------------------
   20. CONTACTO
   --------------------------------------------------------------------- */
.contact { background: var(--color-background); }

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-8);
}

.contact__info {
    display: grid;
    gap: var(--space-3);
    align-content: start;
}

.contact__card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-1);
    padding: var(--space-4) var(--space-5);
    text-align: left;
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: var(--space-1) var(--space-3);
    align-items: start;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.contact__card:hover {
    border-color: var(--color-border-strong);
    box-shadow: var(--shadow-2);
}

.contact__card .icon {
    width: 20px;
    height: 20px;
    color: var(--color-primary);
    grid-row: span 2;
    margin-top: 3px;
}

.contact__card h3 {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-foreground);
}

.contact__card p {
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
    line-height: 1.55;
    grid-column: 2;
}

.contact__form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-1);
    padding: var(--space-6);
}

/* ---------------------------------------------------------------------
   21. FOOTER
   --------------------------------------------------------------------- */
.footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    color: var(--color-muted-foreground);
    padding: var(--space-12) 0 var(--space-6);
}

.footer__container {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-8);
    margin-bottom: var(--space-8);
}

.footer__logo {
    height: 34px;
    width: auto;
    margin-bottom: var(--space-3);
}

.footer__text {
    color: var(--color-muted-foreground);
    margin-bottom: var(--space-4);
    line-height: 1.6;
    font-size: var(--text-sm);
}

.footer__social {
    display: flex;
    gap: var(--space-2);
}

.footer__social-link {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    color: var(--color-muted-foreground);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition), color var(--transition), border-color var(--transition);
}

.footer__social-link .icon {
    width: 18px;
    height: 18px;
}

.footer__social-link:hover {
    background: var(--color-muted);
    border-color: var(--color-border-strong);
    color: var(--color-primary);
}

.footer__title {
    color: var(--color-foreground);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: var(--space-3);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer__list a {
    display: inline-block;
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
    padding: 2px 0;
    transition: color var(--transition);
}

.footer__list a:hover {
    color: var(--color-primary);
}

.footer__form {
    display: flex;
    gap: var(--space-2);
}

.footer__input {
    flex: 1;
    min-width: 0;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    color: var(--color-foreground);
    font-size: var(--text-sm);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.footer__input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 22%, transparent);
}

.footer__input::placeholder {
    color: var(--color-muted-foreground);
}

.footer__btn {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    color: var(--color-on-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition);
}

.footer__btn:hover {
    background: var(--color-primary-hover);
}

.footer__btn .icon { width: 18px; height: 18px; }

.footer__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border);
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
}

.footer__bottom .icon {
    width: 14px;
    height: 14px;
    color: var(--color-primary);
    display: inline;
    vertical-align: -2px;
}

/* ---------------------------------------------------------------------
   22. FLOTANTES
   --------------------------------------------------------------------- */
.whatsapp-float {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 52px;
    height: 52px;
    background: var(--color-whatsapp);
    border-radius: var(--radius-pill);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    box-shadow: var(--shadow-3);
    z-index: var(--z-float);
    transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-float .icon {
    width: 26px;
    height: 26px;
}

.whatsapp-float:hover {
    background: var(--color-whatsapp-dark);
    box-shadow: var(--shadow-3), 0 0 0 4px color-mix(in srgb, var(--color-whatsapp) 22%, transparent);
}

#scroll-top,
.scroll-top {
    position: fixed;
    bottom: 92px;
    right: var(--space-6);
    width: 44px;
    height: 44px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--color-foreground);
    box-shadow: var(--shadow-2);
    z-index: var(--z-float);
    transition: background-color var(--transition), border-color var(--transition), color var(--transition);
    cursor: pointer;
}

#scroll-top .icon,
.scroll-top .icon {
    width: 20px;
    height: 20px;
}

#scroll-top.show,
.scroll-top.show {
    display: flex;
}

#scroll-top:hover,
.scroll-top:hover {
    background: var(--color-muted);
    border-color: var(--color-border-strong);
    color: var(--color-primary);
}

/* ---------------------------------------------------------------------
   23. RESPONSIVE
   --------------------------------------------------------------------- */
@media screen and (max-width: 1180px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
}

@media screen and (max-width: 1024px) {
    .hero__container,
    .about__container {
        grid-template-columns: 1fr;
    }

    .hero__visual { max-width: 26rem; }

    .categories__grid,
    .products__grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero__stats { grid-template-columns: repeat(2, 1fr); }

    .testimonials__grid { grid-template-columns: repeat(2, 1fr); }

    .contact__container { grid-template-columns: 1fr; }

    .footer__container { grid-template-columns: 1fr 1fr; }

    .topbar__group--right { display: none; }
}

@media screen and (max-width: 900px) {
    /* En la barra no cabe, pero con 13.000 articulos el buscador no puede
       faltar en movil: se muestra arriba del menu desplegable. */
    .nav__search { display: none; }

    .nav__menu.show ~ .nav__actions .nav__search {
        display: flex;
        position: fixed;
        top: calc(76px + var(--space-4));
        left: var(--space-4);
        right: var(--space-4);
        z-index: 1001;
    }

    .nav__menu.show ~ .nav__actions .nav__search-input { width: 100%; }

    .nav__menu.show { padding-top: calc(var(--space-6) + 56px); }

    .nav__menu {
        position: fixed;
        inset: 76px 0 0 0;
        background: var(--color-white);
        padding: var(--space-6) var(--space-4);
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
        z-index: var(--z-header);
    }

    .nav__menu.show { transform: translateX(0); }

    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: var(--space-1);
    }

    .nav__link {
        padding: var(--space-3) var(--space-2);
        border-radius: var(--radius-sm);
    }

    .nav__link:hover { background: var(--color-bg); }
    .nav__link::after { display: none; }

    .nav__item--dropdown .nav__link {
        display: flex;
        justify-content: space-between;
    }

    .nav__dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        background: var(--color-bg);
        margin: var(--space-1) 0 var(--space-2);
    }

    .nav__toggle { display: flex; }

    .services__grid,
    .testimonials__grid { grid-template-columns: 1fr; }

    .about__features { grid-template-columns: 1fr; }
}

@media screen and (max-width: 768px) {
    .categories__grid,
    .products__grid { grid-template-columns: repeat(2, 1fr); }

    .offers__grid { grid-template-columns: 1fr; }

    .footer__container { grid-template-columns: 1fr 1fr; gap: var(--space-6); }

    .cta-band {
        flex-direction: column;
        text-align: center;
        padding: var(--space-6) var(--space-4);
    }

    .seccion,
    .products,
    .testimonials { padding: var(--space-12) 0; }

    .services { padding-bottom: var(--space-12); }
}

@media screen and (max-width: 640px) {
    .hero { padding: var(--space-8) 0; }
    .hero__stats { grid-template-columns: repeat(2, 1fr); }
    .hero__buttons { flex-direction: column; align-items: stretch; }
    .hero__buttons .btn { width: 100%; }
    .hero__search { flex-wrap: wrap; }
    .hero__search-input { flex: 1 1 100%; }
    .hero__search-btn { flex: 1; }
    .stat { padding: var(--space-3) var(--space-4); }
    .contact__form { padding: var(--space-4); }
}

@media screen and (max-width: 560px) {
    /* En móvil la tienda mantiene 2 columnas: se recorre menos y las fichas
       siguen siendo legibles (imagen 4:3, título de 2 líneas, precio mono). */
    .categories__grid,
    .products__grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

    .footer__container { grid-template-columns: 1fr; }

    .product-card__content { padding: var(--space-3); }
    .product-card__footer { flex-direction: column; align-items: stretch; }
    .product-card__footer .btn-add-cart { width: 100%; }
    .skeleton-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

    .whatsapp-float {
        width: 52px;
        height: 52px;
        bottom: var(--space-6);
        right: var(--space-4);
    }

    #scroll-top,
    .scroll-top {
        right: var(--space-4);
        bottom: 84px;
    }

    .topbar__inner { justify-content: center; }
}

@media screen and (max-width: 480px) {
    :root {
        --text-3xl: 2rem;
        --text-2xl: 1.5rem;
    }
}

@media screen and (max-width: 560px) {
    .hero__visual { padding: var(--space-3); gap: var(--space-2); }
    .hero__tile { padding: var(--space-4) var(--space-2); }
}

/* Ajustes puntuales de modo oscuro para superficies con color fijo */
@media (prefers-color-scheme: dark) {
    .whatsapp-float { color: #0B2018; }
    .product-card__image { background: #F4F6F9; }
    .noimg { background: #F4F6F9; color: #64748B; }
    .footer__logo,
    .nav__logo-img { filter: brightness(1.06); }
}

/* ---------------------------------------------------------------------
   24. MOVIMIENTO REDUCIDO
   --------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* =========================================================================
   25. PÁGINAS INTERNAS (Tarea B) — catálogo, categorías, ficha, carrito,
   login, mi cuenta. Reutiliza únicamente tokens y componentes ya definidos
   arriba (card, btn, form__, badge, chip, skeleton, empty, error-box).
   ========================================================================= */

/* ---- Encabezado simple de página interna ---- */
.page-header {
    padding: var(--space-8) 0 var(--space-6);
    background: var(--color-muted);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-8);
}

.page-header__breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-sm);
    color: var(--color-muted-foreground);
    margin-bottom: var(--space-2);
}

.page-header__breadcrumb a { color: var(--color-muted-foreground); transition: color var(--transition); }
.page-header__breadcrumb a:hover { color: var(--color-primary); }
.page-header__breadcrumb .icon { width: 13px; height: 13px; }

.page-header__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-foreground);
}

.page-header__subtitle {
    color: var(--color-muted-foreground);
    margin-top: var(--space-1);
}

/* ---------------------------------------------------------------------
   CATÁLOGO (Productos.html)
   --------------------------------------------------------------------- */
.catalog {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: var(--space-6);
    align-items: start;
    margin-bottom: var(--space-12);
}

.filters {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
    padding: var(--space-4);
    position: sticky;
    top: calc(var(--space-16) + var(--space-4));
}

.filters__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding-bottom: var(--space-3);
    margin-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.filters__title {
    font-size: var(--text-base);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.filters__title .icon { color: var(--color-primary); width: 18px; height: 18px; }

.filters__close { display: none; }

.filters__group { margin-bottom: var(--space-5); }
.filters__group:last-of-type { margin-bottom: var(--space-3); }

.filters__group-title {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-muted-foreground);
    margin-bottom: var(--space-2);
}

.filters__list {
    display: grid;
    gap: var(--space-1);
    max-height: 15rem;
    overflow-y: auto;
}

.filters__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    min-height: 32px;
}

.filters__item:hover { background: var(--color-muted); }

.filters__item input[type="radio"],
.filters__item input[type="checkbox"] {
    accent-color: var(--color-primary);
    width: 17px;
    height: 17px;
    flex-shrink: 0;
}

.filters__item label {
    font-size: var(--text-sm);
    cursor: pointer;
    flex: 1;
}

.filters__price {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.filters__price input {
    width: 100%;
    min-width: 0;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-background);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    min-height: 40px;
}

.filters__price input:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 16%, transparent);
}

.filters__price span { color: var(--color-muted-foreground); }

.filters__apply {
    width: 100%;
    margin-top: var(--space-2);
}

.filters__active {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.filters-toggle {
    display: none;
    align-items: center;
    gap: var(--space-2);
}

.filters-backdrop { display: none; }

.catalog-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-5);
}

.catalog-toolbar__count {
    font-weight: 600;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
    color: var(--color-foreground);
}

.catalog-toolbar__sort {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.catalog-toolbar__sort label {
    font-size: var(--text-sm);
    color: var(--color-muted-foreground);
}

.catalog-toolbar__sort select {
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-background);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    min-height: 40px;
    cursor: pointer;
}

.catalog-toolbar__sort select:focus-visible {
    outline: 2px solid var(--color-ring);
    outline-offset: 2px;
}

.pagination {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-top: var(--space-8);
}

.pagination button {
    min-width: 44px;
    min-height: 44px;
    padding: 0 var(--space-3);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--color-foreground);
    transition: all var(--transition);
}

.pagination button:hover:not(:disabled):not(.active) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.pagination button.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-on-primary);
}

.pagination button:disabled { opacity: 0.45; cursor: not-allowed; }

.pagination button:focus-visible { outline: 2px solid var(--color-ring); outline-offset: 2px; }

/* ---------------------------------------------------------------------
   FICHA DE PRODUCTO (producto.html)
   --------------------------------------------------------------------- */
.pd {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
    margin-bottom: var(--space-12);
}

.pd__gallery-main {
    position: relative;
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-1);
}

.pd__gallery-main img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-6);
}

.pd__gallery-main .product-card__icon { width: 30%; height: 30%; color: var(--color-border-strong); }

.pd__gallery-thumbs {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
    flex-wrap: wrap;
}

.pd__gallery-thumb {
    width: 64px;
    height: 64px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: #FFFFFF;
    overflow: hidden;
    padding: 0;
    cursor: pointer;
}

.pd__gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }
.pd__gallery-thumb.is-active { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary); }

.pd__category {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-brand-fg);
    background: var(--color-brand-bg);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-3);
}

.pd__title {
    font-size: var(--text-2xl);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: var(--space-2);
}

.pd__sku {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    color: var(--color-muted-foreground);
    margin-bottom: var(--space-3);
}

.pd__stock {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    font-weight: 700;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-4);
}

.pd__stock::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pd__stock--in { background: var(--color-success-bg); color: var(--color-success-fg); }
.pd__stock--out { background: var(--color-danger-bg); color: var(--color-danger-fg); }

.pd__price {
    padding: var(--space-4) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-4);
}

.pd__price .price-current { font-size: var(--text-3xl); }

.pd__qty {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.pd__qty-label { font-weight: 600; font-size: var(--text-sm); }

.pd__qty-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.pd__qty-btn {
    width: 44px;
    height: 44px;
    background: var(--color-muted);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-foreground);
    transition: background var(--transition);
}

.pd__qty-btn:hover { background: var(--color-primary); color: var(--color-on-primary); }
.pd__qty-btn:focus-visible { outline: 2px solid var(--color-ring); outline-offset: -2px; }

.pd__qty-value {
    width: 52px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-family: var(--font-mono);
}

.pd__actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-6);
}

.pd__actions .btn { flex: 1 1 200px; }

.pd__description {
    color: var(--color-muted-foreground);
    line-height: 1.7;
    margin-bottom: var(--space-5);
}

.pd__features {
    display: grid;
    gap: var(--space-2);
}

.pd__feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-muted-foreground);
}

.pd__feature .icon { color: var(--color-primary); width: 18px; height: 18px; flex-shrink: 0; }

.related { margin-top: var(--space-12); }

/* ---------------------------------------------------------------------
   CARRITO (carrito.html)
   --------------------------------------------------------------------- */
.cart-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: var(--space-6);
    align-items: start;
    margin-bottom: var(--space-12);
}

.cart-items { display: flex; flex-direction: column; gap: var(--space-3); }

.cart-item {
    display: grid;
    grid-template-columns: 88px 1fr auto;
    gap: var(--space-3);
    align-items: center;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3);
    box-shadow: var(--shadow-1);
    transition: box-shadow var(--transition);
}

.cart-item:hover { box-shadow: var(--shadow-2); }

.cart-item__image {
    position: relative;
    width: 88px;
    height: 88px;
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    cursor: pointer;
    flex-shrink: 0;
}

.cart-item__image img { width: 100%; height: 100%; object-fit: contain; padding: var(--space-1); }
.cart-item__image .product-card__icon { width: 60%; height: 60%; color: var(--color-border-strong); }

.cart-item__title {
    font-weight: 700;
    color: var(--color-foreground);
    cursor: pointer;
    transition: color var(--transition);
}

.cart-item__title:hover { color: var(--color-primary); }

.cart-item__code {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--color-muted-foreground);
    margin: var(--space-1) 0;
}

.cart-item__price { font-family: var(--font-mono); font-weight: 600; color: var(--color-muted-foreground); font-size: var(--text-sm); }

.cart-item__right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--space-2);
}

.cart-item__qty {
    display: flex;
    align-items: center;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.cart-item__qty-btn {
    width: 36px;
    height: 36px;
    background: var(--color-muted);
    font-weight: 700;
    transition: all var(--transition);
}

.cart-item__qty-btn:hover { background: var(--color-primary); color: var(--color-on-primary); }

.cart-item__qty-value {
    width: 40px;
    text-align: center;
    font-weight: 700;
    font-family: var(--font-mono);
}

.cart-item__subtotal {
    font-weight: 700;
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
}

.cart-item__remove {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    background: none;
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
    min-height: 44px;
    transition: color var(--transition);
}

.cart-item__remove:hover { color: var(--color-primary); }
.cart-item__remove .icon { width: 16px; height: 16px; }

.cart-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-4);
    flex-wrap: wrap;
    gap: var(--space-3);
}

.cart-summary {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
    padding: var(--space-5);
    position: sticky;
    top: calc(var(--space-16) + var(--space-4));
}

.cart-summary__title {
    font-size: var(--text-lg);
    font-weight: 700;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--color-border);
}

.cart-summary__row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-2);
    color: var(--color-muted-foreground);
    font-size: var(--text-sm);
}

.cart-summary__row span:last-child { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.cart-summary__row--total {
    color: var(--color-foreground);
    font-weight: 700;
    font-size: var(--text-base);
    padding-top: var(--space-3);
    margin-top: var(--space-2);
    border-top: 1px solid var(--color-border);
}

.cart-summary__row--total span:last-child {
    color: var(--color-primary);
    font-size: var(--text-xl);
}

.cart-summary__form {
    display: grid;
    gap: var(--space-2);
    margin: var(--space-4) 0;
}

.cart-summary .btn-whatsapp { width: 100%; justify-content: center; margin-top: var(--space-2); }

.cart-summary__note {
    font-size: var(--text-xs);
    color: var(--color-muted-foreground);
    text-align: center;
    margin-top: var(--space-3);
}

/* ---------------------------------------------------------------------
   LOGIN (login.html)
   --------------------------------------------------------------------- */
.auth {
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
    background: var(--color-background);
}

.auth__card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2);
    overflow: hidden;
    max-width: 26rem;
    width: 100%;
}

.auth__header {
    background: var(--color-shell);
    color: var(--color-shell-foreground);
    padding: var(--space-6);
    text-align: center;
}

.auth__header img { max-width: 130px; margin-bottom: var(--space-3); }
.auth__header h1 { font-size: var(--text-lg); color: #FFFFFF; margin-bottom: var(--space-1); }
.auth__header p { font-size: var(--text-sm); opacity: 0.82; }

.auth__body { padding: var(--space-6); }

.auth__tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}

.auth__tab {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    background: var(--color-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: var(--text-sm);
    min-height: 44px;
    transition: all var(--transition);
}

.auth__tab.is-active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-on-primary); }
.auth__tab:focus-visible { outline: 2px solid var(--color-ring); outline-offset: 2px; }

.auth__alert {
    display: none;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-3);
    border-radius: var(--radius-sm);
    border-left: 4px solid transparent;
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}

.auth__alert.is-show { display: flex; }
.auth__alert--error { background: var(--color-danger-bg); color: var(--color-danger-fg); border-left-color: var(--color-danger); }
.auth__alert--success { background: var(--color-success-bg); color: var(--color-success-fg); border-left-color: var(--color-success); }
.auth__alert .icon { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }

.auth__footer {
    text-align: center;
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border);
    font-size: var(--text-sm);
    color: var(--color-muted-foreground);
    display: grid;
    gap: var(--space-2);
}

.auth__footer a { color: var(--color-primary); font-weight: 600; }
.auth__footer a:hover { text-decoration: underline; }

.auth__back {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-muted-foreground);
    font-weight: 600;
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
    min-height: 44px;
}

.auth__back:hover { color: var(--color-primary); }
.auth__back .icon { width: 16px; height: 16px; }

/* ---------------------------------------------------------------------
   MI CUENTA (mi-cuenta.html)
   --------------------------------------------------------------------- */
.account { padding: var(--space-8) 0 var(--space-12); }

.account__banner {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: #FFFFFF;
    padding: var(--space-6) var(--space-6);
    margin-bottom: var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.account__banner h1 { font-size: var(--text-xl); }
.account__banner p { color: rgba(255, 255, 255, 0.85); font-size: var(--text-sm); margin-top: var(--space-1); }

.account__balance {
    background: rgba(0, 0, 0, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-md);
    padding: var(--space-3) var(--space-5);
    text-align: center;
}

.account__balance-num { font-family: var(--font-mono); font-size: var(--text-xl); font-weight: 700; font-variant-numeric: tabular-nums; }
.account__balance-label { font-size: var(--text-xs); color: rgba(255, 255, 255, 0.82); }

.account__tabs {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.account__tab {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-weight: 600;
    font-size: var(--text-sm);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 44px;
    transition: all var(--transition);
}

.account__tab.is-active { background: var(--color-shell); color: #FFFFFF; border-color: var(--color-shell); }
.account__tab:hover:not(.is-active) { border-color: var(--color-primary); color: var(--color-primary); }
.account__tab:focus-visible { outline: 2px solid var(--color-ring); outline-offset: 2px; }

.account__table-wrap { overflow-x: auto; }

.account__table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }

.account__table th {
    text-align: left;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-muted-foreground);
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.account__table td {
    padding: var(--space-2) var(--space-3);
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

.account__table tbody tr:hover td { background: var(--color-muted); }
.account__table .num { font-variant-numeric: tabular-nums; }

.account__detail { background: var(--color-muted); border-radius: var(--radius-md); padding: var(--space-4); }
.account__detail .account__table { font-size: var(--text-sm); }

.account__profile-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-3); }

.account__profile-item { padding: var(--space-3); background: var(--color-muted); border-radius: var(--radius-sm); }
.account__profile-item--full { grid-column: 1 / -1; }
.account__profile-item .lbl { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-muted-foreground); }
.account__profile-item .val { font-weight: 600; margin-top: var(--space-1); }

/* ---- Estados vacíos con misma familia de .empty (icono + título + texto) ---- */
.account .empty { padding: var(--space-10) var(--space-4); }

/* ---- Barra superior simplificada (mi-cuenta.html) ---- */
.simple-nav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3) var(--space-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-3);
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    box-shadow: var(--shadow-1);
}

.simple-nav__logo img { height: 34px; width: auto; }

.simple-nav__links {
    display: flex;
    gap: var(--space-5);
    align-items: center;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-muted-foreground);
    flex-wrap: wrap;
}

.simple-nav__links a {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    min-height: 44px;
    transition: color var(--transition);
}

.simple-nav__links a:hover { color: var(--color-primary); }
.simple-nav__links a:focus-visible { outline: 2px solid var(--color-ring); outline-offset: 2px; border-radius: var(--radius-sm); }
.simple-nav__links .simple-nav__logout { color: var(--color-primary); }
.simple-nav__links .icon { width: 16px; height: 16px; }

@media screen and (max-width: 900px) {
    .catalog { grid-template-columns: 1fr; }
    .cart-layout { grid-template-columns: 1fr; }
    .cart-summary { position: static; }
    .pd { grid-template-columns: 1fr; gap: var(--space-5); }

    /* Filtros pasan a cajón lateral accesible en móvil */
    .filters-toggle { display: inline-flex; }

    .filters {
        position: fixed;
        top: 0;
        right: 0;
        left: auto;
        bottom: 0;
        width: min(320px, 82vw);
        max-width: 82vw;
        height: 100vh;
        border-radius: 0;
        border-left: 1px solid var(--color-border);
        box-shadow: var(--shadow-3);
        z-index: var(--z-modal);
        transform: translateX(100%);
        transition: transform var(--transition-slow);
        overflow-y: auto;
    }

    .filters.is-open { transform: translateX(0); }

    .filters__close {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--color-muted);
        border-radius: var(--radius-sm);
    }

    .filters-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(15, 23, 42, 0.45);
        z-index: 999;
    }

    .filters-backdrop.is-open { display: block; }
}

@media screen and (max-width: 700px) {
    .account__profile-grid { grid-template-columns: 1fr; }
    .account__banner { flex-direction: column; align-items: flex-start; }
}

@media screen and (max-width: 640px) {
    .cart-item { grid-template-columns: 70px 1fr; }
    .cart-item__image { width: 70px; height: 70px; }
    .cart-item__right {
        grid-column: 1 / -1;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .pd__actions .btn { flex: 1 1 100%; }
}

/* Tablas responsive: en pantallas angostas, cada fila de .account__table se
   convierte en una tarjeta con etiquetas (usa data-label en cada <td>). */
@media screen and (max-width: 640px) {
    .account__table-wrap--cards table,
    .account__table-wrap--cards thead,
    .account__table-wrap--cards tbody,
    .account__table-wrap--cards th,
    .account__table-wrap--cards td,
    .account__table-wrap--cards tr { display: block; width: 100%; }

    .account__table-wrap--cards thead { position: absolute; left: -9999px; }

    .account__table-wrap--cards tbody tr {
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
        margin-bottom: var(--space-3);
        padding: var(--space-2);
    }

    .account__table-wrap--cards tbody tr[id] { border: none; margin: 0; padding: 0; }

    .account__table-wrap--cards td {
        display: flex;
        justify-content: space-between;
        gap: var(--space-3);
        text-align: right;
        border-bottom: 1px solid var(--color-border);
    }

    .account__table-wrap--cards td:last-child { border-bottom: none; }

    .account__table-wrap--cards td::before {
        content: attr(data-label);
        font-weight: 700;
        text-align: left;
        color: var(--color-muted-foreground);
        font-size: var(--text-xs);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
}