/* ==========================================================================
   SPE Catálogo – Frontend Stylesheet v1.2.0
   Industrial Refinado
   ========================================================================== */

/* ---------- 1. Custom Properties ---------------------------------------- */
:root {
    --spe-primary: #0036ff;
    --spe-primary-hover: #0029cc;
    --spe-primary-light: rgba(0, 54, 255, .08);
    --spe-dark: #0d1117;
    --spe-dark-soft: #161b22;
    --spe-text: #1a1a2e;
    --spe-text-secondary: #6b7280;
    --spe-text-muted: #9ca3af;
    --spe-border: #e5e7eb;
    --spe-border-hover: #d1d5db;
    --spe-bg: #f9fafb;
    --spe-white: #ffffff;
    --spe-shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --spe-shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --spe-shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
    --spe-shadow-lg: 0 10px 25px -3px rgba(0,0,0,.1), 0 4px 6px -4px rgba(0,0,0,.1);
    --spe-radius: 12px;
    --spe-radius-sm: 8px;
    --spe-radius-full: 9999px;
    --spe-transition: .3s cubic-bezier(.4,0,.2,1);
    --spe-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --spe-green: #25d366;
    --spe-green-hover: #1ebe5a;
    --spe-amber: #f59e0b;
    --spe-red: #ef4444;
}

/* ---------- 2. Wrapper -------------------------------------------------- */
.spe-catalogo {
    font-family: var(--spe-font) !important;
    color: var(--spe-text);
    line-height: 1.6;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}
.spe-catalogo *, .spe-catalogo *::before, .spe-catalogo *::after { box-sizing: border-box; }

/* ---------- 3. Search Bar (full width, above tabs) ---------------------- */
.spe-catalogo__busqueda {
    position: relative;
    width: 100%;
    margin-bottom: 1.25rem;
}
.spe-catalogo__busqueda-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--spe-text-muted);
    pointer-events: none;
}
.spe-catalogo__busqueda-input {
    width: 100%;
    padding: .75rem 1rem .75rem 3rem !important;
    font-family: var(--spe-font) !important;
    font-size: .875rem;
    color: var(--spe-text);
    background: var(--spe-white);
    border: 1px solid var(--spe-border);
    border-radius: var(--spe-radius-sm);
    outline: none;
    transition: all var(--spe-transition);
}
.spe-catalogo__busqueda-input::placeholder { color: var(--spe-text-muted); }
.spe-catalogo__busqueda-input:focus {
    border-color: var(--spe-primary);
    box-shadow: 0 0 0 3px var(--spe-primary-light);
}

/* ---------- 4. Category Tabs -------------------------------------------- */
.spe-catalogo__filtros {
    margin-bottom: 1.75rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--spe-border);
}
.spe-catalogo__tabs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
}
.spe-catalogo__tab {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    padding: .5rem .125rem;
    font-family: var(--spe-font) !important;
    font-size: .8125rem;
    font-weight: 500;
    line-height: 1.4;
    color: var(--spe-text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--spe-transition);
    user-select: none;
}
.spe-catalogo__tab:hover {
    color: var(--spe-text);
}
.spe-catalogo__tab--activo {
    color: var(--spe-primary) !important;
    font-weight: 600;
    border-bottom-color: var(--spe-primary) !important;
}
.spe-catalogo__tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    font-size: .625rem;
    font-weight: 700;
    line-height: 1;
    border-radius: var(--spe-radius-full);
    background: var(--spe-bg);
    color: var(--spe-text-muted);
}
.spe-catalogo__tab--activo .spe-catalogo__tab-count {
    background: var(--spe-primary-light);
    color: var(--spe-primary);
}
.spe-catalogo__tab-sep {
    display: inline-block;
    padding: 0 .5rem;
    font-size: .75rem;
    color: var(--spe-border-hover);
    user-select: none;
}

/* ---------- 5. Product Grid --------------------------------------------- */
.spe-catalogo__grid {
    display: grid !important;
    grid-template-columns: repeat(var(--spe-columnas, 3), 1fr) !important;
    gap: 1.5rem !important;
    margin-bottom: 1.5rem;
    width: 100% !important;
}
.spe-catalogo__grid--loading {
    opacity: .4;
    pointer-events: none;
    transition: opacity var(--spe-transition);
}

/* ---------- 6. Empty State ---------------------------------------------- */
.spe-catalogo__vacio {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    color: var(--spe-text-muted);
    font-size: .9375rem;
}

/* ---------- 7. Pagination ----------------------------------------------- */
.spe-catalogo__paginacion {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    padding: 1.5rem 0 1rem;
}
.spe-catalogo__paginacion-info {
    font-size: .8125rem;
    color: var(--spe-text-muted);
}
.spe-catalogo__paginacion-info strong {
    color: var(--spe-text);
    font-weight: 600;
}
.spe-catalogo__cargar-mas {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .75rem 2.5rem;
    font-family: var(--spe-font) !important;
    font-size: .875rem;
    font-weight: 600;
    color: var(--spe-white);
    background: var(--spe-dark);
    border: none;
    border-radius: var(--spe-radius-sm);
    cursor: pointer;
    transition: all var(--spe-transition);
    letter-spacing: .02em;
}
.spe-catalogo__cargar-mas:hover {
    background: var(--spe-primary);
    box-shadow: var(--spe-shadow-md);
    transform: translateY(-1px);
}
.spe-catalogo__cargar-mas:disabled {
    opacity: .6;
    cursor: wait;
}
.spe-catalogo__spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spe-spin .6s linear infinite;
}
.spe-catalogo__cargar-mas--loading .spe-catalogo__spinner { display: inline-block; }
.spe-catalogo__cargar-mas--loading .spe-catalogo__cargar-mas-text { display: none; }
@keyframes spe-spin { to { transform: rotate(360deg); } }

/* ---------- Card Gallery Slider ---------------------------------------- */
.spe-card__slider {
    position: relative;
    width: 100%;
    height: 100%;
}
.spe-card__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease-in-out, visibility .5s ease-in-out;
    pointer-events: none;
}
.spe-card__slide--active {
    opacity: 1;
    visibility: visible;
    position: relative;
    pointer-events: auto;
}
.spe-card__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,.9);
    border: none;
    border-radius: 50%;
    font-size: 0;
    color: var(--spe-dark);
    cursor: pointer;
    opacity: 0;
    transition: opacity .2s ease, background .2s ease, box-shadow .2s ease;
    z-index: 3;
    box-shadow: var(--spe-shadow-sm);
    line-height: 0;
    padding: 0;
}
.spe-card__nav svg {
    width: 16px;
    height: 16px;
    stroke: var(--spe-dark);
    stroke-width: 2.5;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}
.spe-card__nav--prev { left: 8px; }
.spe-card__nav--next { right: 8px; }
.spe-card__image:hover .spe-card__nav { opacity: 1; }
.spe-card__nav:hover { background: var(--spe-white); box-shadow: var(--spe-shadow-md); }
.spe-card__dots {
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 5px;
    z-index: 3;
}
.spe-card__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: rgba(255,255,255,.5);
    cursor: pointer;
    transition: all .2s ease;
}
.spe-card__dot--active {
    background: var(--spe-white);
    transform: scale(1.3);
}

/* ---------- Numbered Pagination ----------------------------------------- */
.spe-catalogo__paginacion {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    padding: 2rem 0 1rem;
}
.spe-catalogo__paginacion-info {
    font-size: .8125rem;
    color: var(--spe-text-muted);
}
.spe-catalogo__paginacion-info strong {
    color: var(--spe-text);
    font-weight: 600;
}
.spe-catalogo__pag-nav {
    display: flex;
    align-items: center;
    gap: .25rem;
}
.spe-pag-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 .5rem;
    font-family: var(--spe-font) !important;
    font-size: .8125rem;
    font-weight: 500;
    color: var(--spe-text-secondary);
    background: var(--spe-white);
    border: 1px solid var(--spe-border);
    border-radius: var(--spe-radius-sm);
    cursor: pointer;
    transition: all var(--spe-transition);
    user-select: none;
}
.spe-pag-btn:hover:not(:disabled) {
    color: var(--spe-primary);
    border-color: var(--spe-primary);
    background: var(--spe-primary-light);
}
.spe-pag-btn--active {
    color: var(--spe-white) !important;
    background: var(--spe-primary) !important;
    border-color: var(--spe-primary) !important;
    font-weight: 700;
}
.spe-pag-btn:disabled {
    opacity: .35;
    cursor: default;
}
.spe-pag-dots {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    font-size: .875rem;
    color: var(--spe-text-muted);
    user-select: none;
}

/* ---------- 8. Product Card --------------------------------------------- */
.spe-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--spe-white);
    border: 1px solid var(--spe-border);
    border-radius: var(--spe-radius);
    overflow: hidden;
    box-shadow: var(--spe-shadow-sm);
    transition: all var(--spe-transition);
    opacity: 0;
    transform: translateY(16px);
}
.spe-card--visible {
    opacity: 1;
    transform: translateY(0);
}
.spe-card:hover {
    box-shadow: var(--spe-shadow-lg);
    border-color: var(--spe-primary);
}
.spe-card--visible:hover {
    transform: translateY(-4px);
}

/* ---------- 9. Card Image ----------------------------------------------- */
.spe-card__image {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: var(--spe-dark);
}
.spe-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s cubic-bezier(.4,0,.2,1);
}
.spe-card:hover .spe-card__image img { transform: scale(1.06); }

/* ---------- 10. Badge --------------------------------------------------- */
.spe-card__badge {
    position: absolute;
    top: .75rem;
    left: .75rem;
    padding: .2rem .625rem;
    font-size: .625rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
    color: var(--spe-white);
    border-radius: var(--spe-radius-full);
    z-index: 2;
    line-height: 1.6;
}
.spe-card__badge--nuevo       { background: var(--spe-primary); }
.spe-card__badge--mas_vendido { background: var(--spe-amber); color: var(--spe-dark); }
.spe-card__badge--recomendado { background: #8b5cf6; }
.spe-card__badge--oferta      { background: var(--spe-red); }
.spe-card__badge--exclusivo   { background: var(--spe-dark); }

/* ---------- 11. Card Content -------------------------------------------- */
.spe-card__content {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 1rem 1.125rem .5rem;
    gap: .25rem;
}
.spe-card__brand {
    font-size: .6875rem;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--spe-primary);
}
.spe-card__title {
    font-size: .9375rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--spe-text);
    margin: 0;
}
.spe-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color var(--spe-transition);
}
.spe-card__title a:hover { color: var(--spe-primary); }
.spe-card__model {
    font-size: .75rem;
    color: var(--spe-text-muted);
    font-weight: 500;
}
.spe-card__excerpt {
    font-size: .8125rem;
    line-height: 1.5;
    color: var(--spe-text-secondary);
    margin-top: .125rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- 12. Availability -------------------------------------------- */
.spe-card__availability {
    display: inline-flex;
    align-items: center;
    gap: .375rem;
    font-size: .6875rem;
    font-weight: 600;
    margin-top: .375rem;
}
.spe-card__availability::before {
    content: "";
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}
.spe-card__availability--disponible { color: #16a34a; }
.spe-card__availability--disponible::before {
    background: #22c55e;
    box-shadow: 0 0 0 3px rgba(34,197,94,.2);
}
.spe-card__availability--bajo_pedido { color: #d97706; }
.spe-card__availability--bajo_pedido::before {
    background: var(--spe-amber);
    box-shadow: 0 0 0 3px rgba(245,158,11,.2);
}

/* ---------- 13. Card Footer --------------------------------------------- */
.spe-card__footer {
    display: flex;
    gap: .5rem;
    padding: .5rem 1.125rem 1rem;
    margin-top: auto;
}
.spe-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: .5rem .875rem;
    font-family: var(--spe-font) !important;
    font-size: .8125rem;
    font-weight: 600;
    color: var(--spe-white) !important;
    background: var(--spe-primary);
    border: none;
    border-radius: var(--spe-radius-sm);
    text-decoration: none !important;
    cursor: pointer;
    transition: all var(--spe-transition);
    text-align: center;
    line-height: 1.4;
}
.spe-card__cta:hover {
    background: var(--spe-primary-hover);
    box-shadow: var(--spe-shadow-md);
    transform: translateY(-1px);
    color: var(--spe-white) !important;
    text-decoration: none !important;
}
.spe-card__whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    background: var(--spe-green);
    border: none;
    border-radius: var(--spe-radius-sm);
    text-decoration: none !important;
    cursor: pointer;
    transition: all var(--spe-transition);
}
.spe-card__whatsapp svg { width: 18px; height: 18px; fill: var(--spe-white); }
.spe-card__whatsapp:hover {
    background: var(--spe-green-hover);
    box-shadow: var(--spe-shadow-md);
    transform: translateY(-1px);
}

/* ---------- 14. Categories Grid ----------------------------------------- */
.spe-categorias {
    font-family: var(--spe-font) !important;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}
.spe-categorias__grid {
    display: grid !important;
    grid-template-columns: repeat(var(--spe-categorias-columnas, 4), 1fr) !important;
    gap: 1.25rem !important;
    width: 100% !important;
}

/* ---------- 15. Category Card ------------------------------------------- */
.spe-categorias__card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.25rem 1.5rem;
    background: var(--spe-white);
    border: 1px solid var(--spe-border);
    border-radius: var(--spe-radius);
    text-decoration: none !important;
    color: var(--spe-text) !important;
    box-shadow: var(--spe-shadow-sm);
    transition: all var(--spe-transition);
}
.spe-categorias__card:hover {
    transform: translateY(-4px);
    box-shadow: var(--spe-shadow-lg);
    border-color: var(--spe-primary);
    text-decoration: none !important;
}
.spe-categorias__card-icono {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    margin-bottom: .875rem;
    font-size: 1.5rem;
    background: var(--spe-primary-light);
    border-radius: var(--spe-radius);
}
.spe-categorias__card-nombre { font-size: 1rem; font-weight: 700; margin: 0 0 .375rem; color: var(--spe-text); }
.spe-categorias__card-descripcion {
    font-size: .8125rem; line-height: 1.5; color: var(--spe-text-secondary); margin-bottom: .75rem;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.spe-categorias__card-conteo { font-size: .75rem; font-weight: 600; color: var(--spe-text-muted); margin-top: auto; }

/* ---------- 16. Single Product ------------------------------------------ */
.spe-single { font-family: var(--spe-font) !important; color: var(--spe-text); max-width: 1200px; margin: 0 auto; padding: 2rem 1rem; }
.spe-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: .375rem; margin-bottom: 1.5rem; font-size: .8125rem; color: var(--spe-text-muted); }
.spe-breadcrumb a { color: var(--spe-text-secondary); text-decoration: none; transition: color var(--spe-transition); }
.spe-breadcrumb a:hover { color: var(--spe-primary); }
.spe-single__grid { display: grid !important; grid-template-columns: 1fr 1fr !important; gap: 2.5rem; margin-bottom: 3rem; }
.spe-single__gallery { position: relative; border-radius: var(--spe-radius); overflow: hidden; background: var(--spe-dark); }
.spe-single__gallery img { width: 100%; height: auto; display: block; object-fit: cover; }
.spe-single__info { display: flex; flex-direction: column; gap: 1rem; }
.spe-single__info h1 { font-size: 1.75rem; font-weight: 800; line-height: 1.2; margin: 0; }
.spe-single__info p { font-size: .9375rem; line-height: 1.7; color: var(--spe-text-secondary); }
.spe-single__specs { margin-top: 1rem; }
.spe-single__specs table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.spe-single__specs th, .spe-single__specs td { padding: .625rem .75rem; text-align: left; border-bottom: 1px solid var(--spe-border); }
.spe-single__specs th { font-weight: 600; color: var(--spe-text); width: 40%; }
.spe-single__specs td { color: var(--spe-text-secondary); }
.spe-single__tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .5rem; }
.spe-single__tags span { display: inline-block; padding: .25rem .75rem; font-size: .75rem; font-weight: 500; color: var(--spe-text-secondary); background: var(--spe-bg); border: 1px solid var(--spe-border); border-radius: var(--spe-radius-full); }
.spe-single__actions { display: flex; gap: .75rem; margin-top: 1rem; }
.spe-single__actions a { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .75rem 1.5rem; font-family: var(--spe-font) !important; font-size: .9375rem; font-weight: 600; border: none; border-radius: var(--spe-radius-sm); text-decoration: none !important; cursor: pointer; transition: all var(--spe-transition); }
.spe-single__actions a:first-child { color: var(--spe-white) !important; background: var(--spe-primary); }
.spe-single__actions a:first-child:hover { background: var(--spe-primary-hover); box-shadow: var(--spe-shadow-md); }
.spe-single__actions .spe-single__wa-btn { color: var(--spe-white) !important; background: var(--spe-green); }
.spe-single__actions .spe-single__wa-btn:hover { background: var(--spe-green-hover); }
.spe-single__related { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--spe-border); }
.spe-single__related h2 { font-size: 1.25rem; font-weight: 700; margin: 0 0 1.5rem; }

/* ---------- 17. Archive ------------------------------------------------- */
.spe-archive { font-family: var(--spe-font) !important; color: var(--spe-text); max-width: 1400px; margin: 0 auto; padding: 2rem 1rem; }
.spe-archive__header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--spe-border); }
.spe-archive__header h1 { font-size: 1.75rem; font-weight: 800; margin: 0 0 .5rem; }
.spe-archive__header p { font-size: .9375rem; color: var(--spe-text-secondary); margin: 0; }

/* ---------- 18. Responsive – Tablet ≤ 768px ----------------------------- */
@media (max-width: 768px) {
    .spe-catalogo__grid { grid-template-columns: repeat(2, 1fr) !important; gap: 1rem !important; }
    .spe-categorias__grid { grid-template-columns: repeat(2, 1fr) !important; gap: 1rem !important; }
    .spe-catalogo__tabs { gap: 0; }
    .spe-catalogo__tab { font-size: .75rem; padding: .375rem 0; }
    .spe-catalogo__tab-sep { padding: 0 .25rem; font-size: .625rem; }
    .spe-single__grid { grid-template-columns: 1fr !important; gap: 1.5rem; }
    .spe-single__info h1 { font-size: 1.375rem; }
    .spe-single__actions { flex-direction: column; }
    .spe-single__actions a { width: 100%; justify-content: center; }
}

/* ---------- 19. Responsive – Mobile ≤ 480px ----------------------------- */
@media (max-width: 480px) {
    .spe-catalogo { padding: 1rem .75rem; }
    .spe-catalogo__grid { grid-template-columns: 1fr !important; }
    .spe-categorias__grid { grid-template-columns: 1fr !important; }
    .spe-catalogo__tab { font-size: .6875rem; }
    .spe-catalogo__tab-sep { padding: 0 .125rem; }
    .spe-card__content { padding: .875rem 1rem .375rem; }
    .spe-card__footer { padding: .375rem 1rem .875rem; }
    .spe-categorias__card { padding: 1.5rem 1rem; }
}

/* ---------- 20. Accessibility ------------------------------------------- */
.spe-card__cta:focus-visible, .spe-card__whatsapp:focus-visible,
.spe-catalogo__tab:focus-visible, .spe-catalogo__cargar-mas:focus-visible,
.spe-catalogo__busqueda-input:focus-visible {
    outline: 2px solid var(--spe-primary);
    outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
    .spe-card, .spe-card__image img, .spe-card__cta, .spe-card__whatsapp,
    .spe-catalogo__tab, .spe-catalogo__cargar-mas, .spe-categorias__card {
        transition: none !important;
    }
    .spe-card { opacity: 1; transform: none; }
}
@media print {
    .spe-catalogo__filtros, .spe-catalogo__paginacion, .spe-catalogo__busqueda, .spe-card__footer { display: none; }
    .spe-card { opacity: 1; transform: none; break-inside: avoid; box-shadow: none; border: 1px solid #ccc; }
}