@charset "UTF-8";

:root {
    --color-primary: #198754;
    --color-secondary: #26a69a;
    --color-success: #198754;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #0dcaf0;
    
    --color-bg: #ffffff;
    --color-text: #212529;
    --color-text-muted: #6c757d;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    --font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.card {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-img-top {
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.card-img-top:hover {
    transform: scale(1.02);
}

.btn {
    transition: all var(--transition-fast);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-danger, .btn-success {
    border-radius: var(--radius-md) !important;
}

.navbar {
    transition: background-color var(--transition-normal);
}

.nav-link {
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.1);
    border-radius: var(--radius-sm);
}

.dropdown-menu {
    animation: fadeIn var(--transition-fast);
    border: none;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.modal-content {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    border-top-left-radius: var(--radius-lg);
    border-top-right-radius: var(--radius-lg);
}

.badge {
    padding: 0.35em 0.65em;
    font-weight: 500;
}

.text-danger {
    color: var(--color-danger) !important;
}

.text-success {
    color: var(--color-success) !important;
}

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

img[loading="lazy"] {
    transition: opacity var(--transition-normal);
}

.card-img-top {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: 0.5rem;
}

.skeleton-img {
    height: 200px;
    width: 100%;
}

.adding-to-cart {
    animation: pulse 0.5s ease;
}

.toast-notification {
    position: fixed;
    bottom: 90px;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 16px;
    background-color: var(--color-success);
    color: white;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    animation: slideIn var(--transition-normal);
    opacity: 0;
    transition: opacity 0.3s ease;
    font-size: 12px;
    white-space: nowrap;
}

.text-muted {
    color: var(--color-text-muted) !important;
}

.py-5 {
    padding-top: var(--spacing-xl) !important;
    padding-bottom: var(--spacing-xl) !important;
}

.mb-3 {
    margin-bottom: var(--spacing-md) !important;
}

.mb-4 {
    margin-bottom: var(--spacing-lg) !important;
}

.me-2 {
    margin-right: var(--spacing-sm) !important;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

.table {
    transition: background-color var(--transition-fast);
}

.table-hover tbody tr:hover {
    background-color: rgba(0,0,0,0.02);
}

footer {
    transition: background-color var(--transition-normal);
}

.p-1 { padding: var(--spacing-sm) !important; }
.p-2 { padding: var(--spacing-md) !important; }
.p-3 { padding: var(--spacing-lg) !important; }
.p-4 { padding: var(--spacing-xl) !important; }

.m-1 { margin: var(--spacing-sm) !important; }
.m-2 { margin: var(--spacing-md) !important; }
.m-3 { margin: var(--spacing-lg) !important; }
.m-4 { margin: var(--spacing-xl) !important; }

@media (max-width: 768px) {
    .card:hover {
        transform: none;
    }
    
    .btn:hover {
        transform: none;
    }
}

/* ============================================================
   FRONT-END BODY THEME (moved from index.php inline)
   ============================================================ */
:root {
    --primary: #198754;
    --primary-dark: #146c43;
    --primary-light: #20c997;
    --gradient-bg: linear-gradient(135deg, #f8fff9 0%, #e8f5e9 50%, #c8e6c9 100%);
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gradient-bg);
    background-size: 200% 200%;
    animation: gradientBG 15s ease infinite;
}
@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* ============================================================
   MODERN LAYER 2025 — FRONT-END
   ============================================================
   Estandares web actuales aplicados a la tienda:

     - :focus-visible ........ anillo de foco accesible (WCAG 2.2)
     - :has() ............... estado del contenedor por el hijo
     - container queries .... tarjetas de producto fluidas
     - color-mix() / oklch() color perceptualmente uniforme
     - backdrop-filter ...... navbar y headers translucidos
     - text-wrap ............ balance / pretty (sin "rivers")
     - aspect-ratio ......... imagenes sin salto de layout
     - content-visibility ... no renderizar lo que no se ve
     - prefers-reduced-motion / prefers-contrast

   Todo es ADITIVO: no se elimina ni cambia ninguna regla previa.
   ============================================================ */

/* ------------------------------------------------------------
   1. TOKENS OKLCH + DERIVADOS CON color-mix()
   ------------------------------------------------------------ */
@supports (color: oklch(0% 0 0)) {
    :root {
        --color-primary: oklch(0.55 0.15 152);
        --color-secondary: oklch(0.66 0.11 190);
        --color-success: oklch(0.58 0.15 152);
        --color-danger: oklch(0.58 0.21 25);
        --color-warning: oklch(0.82 0.15 85);
        --color-info: oklch(0.72 0.12 230);
        --color-text: oklch(0.25 0.02 260);
        --color-text-muted: oklch(0.55 0.02 260);
        --color-bg: oklch(1 0 0);
    }
}

:root {
    /* Superficies y bordes derivados (una sola fuente de verdad) */
    --shop-surface: #ffffff;
    --shop-surface-2: #f7faf8;
    --shop-surface-3: #eef4f0;
    --shop-border: #e3ebe6;
    --shop-border-strong: #cfdcd4;

    /* Anillo de foco */
    --shop-focus-ring: 0 0 0 2px var(--shop-surface), 0 0 0 4px var(--primary);

    /* Easing moderno */
    --shop-ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --shop-ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --shop-dur-fast: 120ms;
    --shop-dur: 220ms;
    --shop-dur-slow: 380ms;

    /* Tipografia fluida */
    --shop-fluid-xs: clamp(0.72rem, 0.7rem + 0.1vw, 0.78rem);
    --shop-fluid-sm: clamp(0.83rem, 0.8rem + 0.15vw, 0.9rem);
    --shop-fluid-md: clamp(0.95rem, 0.92rem + 0.15vw, 1rem);
    --shop-fluid-lg: clamp(1.1rem, 1.03rem + 0.35vw, 1.35rem);
    --shop-fluid-xl: clamp(1.35rem, 1.2rem + 0.6vw, 1.8rem);
}

/* ------------------------------------------------------------
   2. FONDO: degradado estatico (sin animacion infinita)
   ------------------------------------------------------------
   La animacion de 15s en loopDistrae, consume GPU en el
   hilo principal y es la causa #1 de "la pagina va lenta" en
   moviles. Se reemplaza por un degradado fijo con dos capas
   radiales muy sutiles: mismo aspecto, coste cero.
   ------------------------------------------------------------ */
body {
    background:
        radial-gradient(1200px 600px at 12% -10%, color-mix(in srgb, var(--primary-light) 12%, transparent), transparent 60%),
        radial-gradient(900px 500px at 92% 8%, color-mix(in srgb, var(--primary) 8%, transparent), transparent 62%),
        var(--shop-surface-2);
    background-attachment: fixed;
    animation: none !important;
}

/* ------------------------------------------------------------
   3. FOCUS VISIBLE (WCAG 2.2 - 2.4.11)
   ------------------------------------------------------------ */
:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: 4px;
}

:where(input, select, textarea):focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 26%, transparent);
    border-color: var(--primary);
}

@supports not selector(:focus-visible) {
    :where(a, button, input, select, textarea, summary, [tabindex]):focus {
        outline: 2px solid var(--primary);
        outline-offset: 2px;
    }
}

/* ------------------------------------------------------------
   4. TARJETAS DE PRODUCTO (container queries)
   ------------------------------------------------------------ */
.product-card,
.card.producto,
.card-producto {
    container-type: inline-size;
    container-name: producto;
    border: 1px solid var(--shop-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition:
        transform var(--shop-dur) var(--shop-ease-out),
        box-shadow var(--shop-dur) var(--shop-ease-out),
        border-color var(--shop-dur) var(--shop-ease-out);
}

.product-card:hover,
.card.producto:hover,
.card-producto:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: color-mix(in srgb, var(--primary) 32%, var(--shop-border));
}

@container producto (min-width: 15rem) {
    .card-title,
    .producto-title {
        font-size: var(--shop-fluid-md);
        text-wrap: pretty;
    }
}

@container producto (max-width: 11rem) {
    .card-title,
    .producto-title {
        font-size: var(--shop-fluid-sm);
    }
}

/* ------------------------------------------------------------
   5. IMAGENES: sin salto de layout
   ------------------------------------------------------------ */
.card-img-top,
.producto-img,
.img-producto {
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: var(--shop-surface-3);
    transition: transform var(--shop-dur-slow) var(--shop-ease-out),
                opacity var(--shop-dur) var(--shop-ease-out);
}

img[loading="lazy"] {
    opacity: 0;
    transition: opacity var(--shop-dur) var(--shop-ease-out);
}

img[loading="lazy"].is-loaded,
img[loading="lazy"]:not([src*="data:image"]) {
    /* el JS de la tienda marca las imagenes cargadas con .is-loaded */
}

/* ------------------------------------------------------------
   6. NAVBAR / HEADERS TRANSLUCIDOS
   ------------------------------------------------------------ */
.navbar,
header.sticky-top,
#navbarPrincipal,
.menu-principal {
    background: color-mix(in srgb, var(--shop-surface) 84%, transparent) !important;
    backdrop-filter: blur(14px) saturate(170%);
    -webkit-backdrop-filter: blur(14px) saturate(170%);
    border-bottom: 1px solid color-mix(in srgb, var(--shop-border) 80%, transparent);
}

/* ------------------------------------------------------------
   7. BOTONES
   ------------------------------------------------------------ */
.btn {
    border-radius: var(--radius-md);
    font-weight: 500;
    transition:
        transform var(--shop-dur-fast) var(--shop-ease-out),
        box-shadow var(--shop-dur) var(--shop-ease-out),
        background-color var(--shop-dur-fast) var(--shop-ease-out),
        border-color var(--shop-dur-fast) var(--shop-ease-out),
        color var(--shop-dur-fast) var(--shop-ease-out);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0) scale(0.99);
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn-success {
    background-color: var(--primary) !important;
    border-color: var(--primary) !important;
}

.btn-success:hover {
    background-color: var(--primary-dark) !important;
}

/* ------------------------------------------------------------
   8. :has() — estados derivados
   ------------------------------------------------------------ */
.card:has(.btn-success:hover) {
    border-color: color-mix(in srgb, var(--primary) 35%, var(--shop-border));
}

/* El campo con error marca a su contenedor */
.form-group:has(.is-invalid),
.form-group:has(:user-invalid) {
    padding-left: 0.6rem;
    border-left: 3px solid var(--color-danger);
}

/* ------------------------------------------------------------
   9. TIPOGRAFIA
   ------------------------------------------------------------ */
h1, h2, h3, h4, h5, h6,
.card-title,
.modal-title,
.navbar-brand {
    letter-spacing: -0.015em;
    text-wrap: balance;
}

p, li, td, .card-text {
    text-wrap: pretty;
}

/* Importes y precios: cifras de ancho fijo */
.precio,
.resultado-precio,
.price,
[data-price] {
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum" 1;
}

/* ------------------------------------------------------------
   10. SKELETONS: shimmer sin colores duros
   ------------------------------------------------------------ */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--shop-surface-3) 25%,
        color-mix(in srgb, var(--shop-surface-3) 55%, var(--shop-surface)) 50%,
        var(--shop-surface-3) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite linear;
    border-radius: var(--radius-sm);
}

/* ------------------------------------------------------------
   11. SCROLLBAR MODERNO
   ------------------------------------------------------------ */
* {
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--primary) 40%, transparent) transparent;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--primary) 42%, transparent);
    border: 2px solid transparent;
    background-clip: padding-box;
    border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--primary) 62%, transparent);
    background-clip: padding-box;
}

/* ------------------------------------------------------------
   12. RENDIMIENTO
   ------------------------------------------------------------ */
.lista-productos,
#resultadosBusqueda,
.productos-grid {
    content-visibility: auto;
    contain-intrinsic-size: auto 400px;
}

/* ------------------------------------------------------------
   13. ANIMACIONES LIGADAS AL SCROLL (sin JS)
   ------------------------------------------------------------ */
@supports (animation-timeline: view()) {
    @media (prefers-reduced-motion: no-preference) {
        .reveal-on-scroll {
            animation: shop-reveal linear both;
            animation-timeline: view();
            animation-range: entry 0% cover 25%;
        }
    }
}

@keyframes shop-reveal {
    from { opacity: 0.4; transform: translateY(16px); }
    to   { opacity: 1;   transform: translateY(0); }
}

/* ------------------------------------------------------------
   14. PREFERENCIAS DEL SISTEMA
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

    .btn:hover,
    .card:hover,
    .card.producto:hover,
    .card-producto:hover {
        transform: none !important;
    }
}

@media (prefers-contrast: more) {
    :root {
        --shop-border: #7a8a80;
        --color-text-muted: #4a5a50;
    }

    .btn,
    .card,
    .form-control,
    .form-select {
        border-width: 2px;
    }
}

@media (forced-colors: active) {
    .card,
    .btn,
    .form-control,
    .form-select {
        border: 1px solid CanvasText;
    }
}

/* ------------------------------------------------------------
   15. CONTROLES NATIVOS
   ------------------------------------------------------------ */
input[type="checkbox"],
input[type="radio"],
input[type="range"],
input[type="progress"] {
    accent-color: var(--primary);
}

.form-control,
.form-select {
    border-radius: var(--radius-md);
    border-color: var(--shop-border-strong);
    transition: border-color var(--shop-dur-fast) var(--shop-ease-out),
                box-shadow var(--shop-dur-fast) var(--shop-ease-out);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 22%, transparent);
}