/* ==========================================================================
   1. VARIABLES Y RESET BÁSICO
   ========================================================================== */
:root {
    /* Tonos suaves pero atractivos: Azul y Gris cálido */
    --color-primary: #3b82f6; /* Azul brillante para CTA */
    --color-secondary: #e9ecef; /* Gris suave para fondos */
    --color-text-dark: #212529;
    --color-text-light: #f8f9fa;
    --color-background: #ffffff;
    --color-card-background: #f8f9fa;
    --color-discount: #ef4444; /* Rojo para descuentos */
    --color-admin-primary: #6b46c1; /* Púrpura para Admin */
    --shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
    --transition-speed: 0.3s;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--color-text-dark);
    line-height: 1.6;
    background-color: var(--color-background);
}

/* ==========================================================================
   2. GUÍA DE USUARIO (OVERLAY)
   ========================================================================== */
.guide-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed), visibility var(--transition-speed);
}

.guide-overlay--active {
    opacity: 1;
    visibility: visible;
}

.guide-overlay__content {
    background-color: var(--color-text-light);
    padding: 40px;
    border-radius: 12px;
    max-width: 500px;
    text-align: center;
    box-shadow: var(--shadow-base);
    transform: translateY(-20px);
    opacity: 0;
    animation: fadeInSlideUp 0.5s forwards;
}

.guide-overlay--active .guide-overlay__content {
    animation: fadeInSlideUp 0.5s forwards;
}

@keyframes fadeInSlideUp {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.guide-overlay__title {
    color: var(--color-primary);
    margin-bottom: 20px;
}

.guide-overlay__list {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
}

.guide-overlay__list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--color-secondary);
    font-size: 1.1em;
}

.guide-overlay__button {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: none;
    padding: 12px 25px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: background-color var(--transition-speed);
}

.guide-overlay__button:hover {
    background-color: #2563eb; /* Tono más oscuro de primary */
}

/* Animación de pulsación para el icono del carrito en la guía */
#guide-cart-icon, #guide-admin-link {
    color: var(--color-primary);
    animation: pulse 1s infinite alternate;
    display: inline-block;
}

@keyframes pulse {
    from { transform: scale(1); opacity: 1; }
    to { transform: scale(1.05); opacity: 0.8; }
}

/* ==========================================================================
   3. ENCABEZADO (HEADER)
   ========================================================================== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background-color: var(--color-background);
    box-shadow: var(--shadow-base);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header__logo {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--color-text-dark);
}

.header__logo--tic {
    color: var(--color-primary);
}

.header__nav-link {
    text-decoration: none;
    color: var(--color-text-dark);
    margin-left: 20px;
    padding: 5px 10px;
    font-weight: 600;
    transition: color var(--transition-speed), border-bottom var(--transition-speed);
}

.header__nav-link:hover {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-primary);
}

.header__actions {
    display: flex;
    align-items: center;
}

.header__credit {
    font-weight: 600;
    color: var(--color-primary);
    margin-right: 20px;
    padding: 5px 10px;
    background-color: var(--color-secondary);
    border-radius: 4px;
}

.header__cart-button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5em;
    color: var(--color-text-dark);
    position: relative;
    transition: color var(--transition-speed);
}

.header__cart-button:hover {
    color: var(--color-primary);
}

.header__cart-count {
    position: absolute;
    top: -5px;
    right: -10px;
    background-color: var(--color-discount);
    color: var(--color-text-light);
    border-radius: 50%;
    padding: 2px 6px;
    font-size: 0.6em;
    font-weight: 700;
    border: 2px solid var(--color-background);
    /* Animación de rebote al actualizar el contador */
    animation: popOut 0.5s ease-out;
}

@keyframes popOut {
    0% { transform: scale(0.5); }
    70% { transform: scale(1.2); }
    100% { transform: scale(1); }
}

/* ==========================================================================
   4. HERO
   ========================================================================== */
.hero {
    position: relative;
    width: 100%;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    background-color: var(--color-secondary); /* Fondo por defecto si no carga imagen */
}

.hero__carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    /* Las imágenes se gestionarán con JS para el carrusel */
}

.hero__item {
    min-width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: opacity 1s ease-in-out;
    opacity: 0;
    position: absolute;
}

.hero__item--active {
    opacity: 1;
}

.hero__content {
    position: relative;
    z-index: 10;
    color: var(--color-text-light);
    /* Fondo semi-transparente para asegurar legibilidad */
    background-color: rgba(33, 37, 41, 0.4); 
    padding: 30px;
    border-radius: 8px;
    /* Animación de entrada para el contenido */
    animation: fadeIn 1s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero__title {
    font-size: 3em;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero__subtitle {
    font-size: 1.5em;
    margin-bottom: 25px;
    font-weight: 400;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.hero__cta-button {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-text-light);
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
}

.hero__cta-button:hover {
    background-color: #2563eb;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

/* ==========================================================================
   5. FILTROS Y BÚSQUEDA
   ========================================================================== */
.main-content {
    padding: 40px 5%;
}

.filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding: 15px 0;
    border-bottom: 1px solid var(--color-secondary);
    /* Animación de Scroll - Fade In al aparecer */
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.filter-controls--visible {
    opacity: 1;
    transform: translateY(0);
}

.filter-controls__categories {
    display: flex;
    gap: 10px;
}

.filter-controls__button {
    background: var(--color-secondary);
    color: var(--color-text-dark);
    border: 1px solid #ced4da;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color var(--transition-speed), color var(--transition-speed), transform 0.2s;
    /* Efecto de 'click' con emoji animado */
}

.filter-controls__button:hover {
    background-color: #dee2e6;
}

.filter-controls__button--active {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border-color: var(--color-primary);
    transform: scale(1.05); /* Ligeramente más grande al estar activo */
}

.filter-controls__search {
    display: flex;
    align-items: center;
    border: 1px solid #ced4da;
    border-radius: 20px;
    padding: 5px 15px;
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

.filter-controls__search:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.filter-controls__search-icon {
    color: #adb5bd;
    margin-right: 10px;
}

.filter-controls__search-input {
    border: none;
    outline: none;
    padding: 5px 0;
    font-size: 1em;
    width: 250px;
    background: transparent;
}

/* ==========================================================================
   6. LISTA DE PRODUCTOS (CARDS)
   ========================================================================== */
.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--color-card-background);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-base);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
    /* Animación de entrada para los cards */
    opacity: 0;
    transform: translateY(20px);
    animation: cardLoad 0.5s forwards;
}

@keyframes cardLoad {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.product-card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background-color: #e9ecef; /* Placeholder color */
    /* Efecto de zoom suave al pasar el ratón */
    transition: transform 0.5s;
}

.product-card:hover .product-card__image {
    transform: scale(1.05);
}

.product-card__info {
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.product-card__name {
    font-size: 1.3em;
    font-weight: 600;
    margin-bottom: 5px;
}

.product-card__features {
    font-size: 0.9em;
    color: #6c757d;
    margin-bottom: 10px;
    height: 40px; /* Altura fija para evitar saltos de diseño */
    overflow: hidden;
}

.product-card__price-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    padding-top: 10px;
    border-top: 1px dashed #ced4da;
}

.product-card__price {
    font-size: 1.5em;
    font-weight: 700;
    color: var(--color-text-dark);
}

.product-card__price--discount {
    text-decoration: line-through;
    color: #adb5bd;
    font-size: 0.8em;
    font-weight: 400;
    margin-left: 10px;
}

.product-card__discount-tag {
    background-color: var(--color-discount);
    color: var(--color-text-light);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8em;
    font-weight: 600;
    margin-right: 10px;
}

.product-card__add-to-cart {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: none;
    padding: 10px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color var(--transition-speed), transform 0.2s;
    font-size: 0.9em;
}

.product-card__add-to-cart:hover {
    background-color: #2563eb;
    transform: scale(1.03);
}

/* ==========================================================================
   7. DETALLE DE PRODUCTO
   ========================================================================== */
.product-detail-section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.98);
    z-index: 100;
    padding: 80px 5% 40px 5%;
    overflow-y: auto;
    display: none; /* Controlado por JS */
    /* Animación de entrada */
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.product-detail-section--active {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.product-detail-section__close-button {
    position: absolute;
    top: 20px;
    right: 5%;
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: var(--color-text-dark);
    transition: color 0.2s;
}

.product-detail-section__close-button:hover {
    color: var(--color-discount);
}

/* Estilos de Contenido Detallado (product-detail-content) */
.detail__container {
    display: flex;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto 50px auto;
}

.detail__image-box {
    flex: 1;
    text-align: center;
}

.detail__image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: var(--shadow-base);
}

.detail__info-box {
    flex: 2;
}

.detail__category {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 5px;
    text-transform: uppercase;
    font-size: 0.9em;
}

.detail__name {
    font-size: 2.5em;
    margin-bottom: 20px;
    font-weight: 700;
}

.detail__description {
    font-size: 1.1em;
    margin-bottom: 30px;
    color: #495057;
}

.detail__price-row {
    margin-bottom: 30px;
    border-top: 1px solid var(--color-secondary);
    padding-top: 20px;
}

.detail__price {
    font-size: 3em;
    font-weight: 700;
    color: var(--color-primary);
    display: inline-block;
}

.detail__price--old {
    text-decoration: line-through;
    color: #adb5bd;
    font-size: 1.5em;
    margin-left: 15px;
}

.detail__discount-badge {
    background-color: var(--color-discount);
    color: var(--color-text-light);
    padding: 5px 10px;
    border-radius: 5px;
    font-weight: 600;
    margin-left: 15px;
}

.detail__add-to-cart {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: none;
    padding: 15px 40px;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: 600;
    transition: background-color var(--transition-speed), transform 0.2s;
    /* Emoji animado para interacción */
}

.detail__add-to-cart:hover {
    background-color: #2563eb;
    transform: translateY(-2px) scale(1.02);
}

/* Productos Relacionados */
.product-detail-section__related-title {
    max-width: 1200px;
    margin: 0 auto 20px auto;
    font-size: 1.5em;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 10px;
}

.product-list--related {
    max-width: 1200px;
    margin: 0 auto;
    /* Solo 3 columnas para relacionados */
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}


/* ==========================================================================
   8. CARRITO (MODAL LATERAL)
   ========================================================================== */
.cart-modal {
    position: fixed;
    top: 0;
    right: 0;
    width: 350px;
    height: 100%;
    background-color: var(--color-background);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 200;
    transform: translateX(100%);
    transition: transform 0.4s ease-out;
    display: flex;
    flex-direction: column;
}

.cart-modal--active {
    transform: translateX(0);
}

.cart-modal__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--color-secondary);
}

.cart-modal__title {
    font-weight: 700;
    font-size: 1.5em;
    color: var(--color-primary);
}

.cart-modal__close-button {
    background: none;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    color: var(--color-text-dark);
}

.cart-modal__list {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
}

.cart-item {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    border-bottom: 1px dashed var(--color-secondary);
    padding-bottom: 10px;
}

.cart-item__image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
}

.cart-item__info {
    flex-grow: 1;
}

.cart-item__name {
    font-weight: 600;
    font-size: 1em;
}

.cart-item__price {
    font-size: 0.9em;
    color: var(--color-primary);
    font-weight: 700;
}

.cart-item__remove {
    background: none;
    border: none;
    color: var(--color-discount);
    cursor: pointer;
    font-size: 0.9em;
    transition: transform 0.2s;
}

.cart-item__remove:hover {
    transform: scale(1.1);
}

.cart-modal__footer {
    padding: 20px;
    border-top: 2px solid var(--color-primary);
    text-align: center;
}

.cart-modal__total {
    font-size: 1.5em;
    font-weight: 700;
    margin-bottom: 15px;
}

.cart-modal__checkout-button {
    width: 100%;
    background-color: var(--color-discount);
    color: var(--color-text-light);
    border: none;
    padding: 15px 0;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    transition: background-color var(--transition-speed), transform 0.2s;
}

.cart-modal__checkout-button:hover {
    background-color: #cc0000;
    transform: translateY(-2px);
}

/* ==========================================================================
   9. ESTILOS DE ADMIN (PARA admin.html)
   ========================================================================== */
/* BEM: admin-layout, admin-sidebar, admin-main */

.admin-layout {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    background-color: var(--color-admin-primary);
    color: var(--color-text-light);
    padding: 20px;
    box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.admin-sidebar__logo {
    font-size: 1.8em;
    font-weight: 700;
    margin-bottom: 40px;
    text-align: center;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 10px;
}

.admin-sidebar__menu-item {
    list-style: none;
}

.admin-sidebar__menu-item a {
    display: block;
    text-decoration: none;
    color: var(--color-text-light);
    padding: 12px 10px;
    margin-bottom: 5px;
    border-radius: 4px;
    transition: background-color 0.2s;
    font-weight: 500;
}

.admin-sidebar__menu-item a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.admin-sidebar__menu-item i {
    margin-right: 10px;
}

.admin-main {
    flex-grow: 1;
    padding: 30px;
    background-color: #f4f7f9;
}

.admin-main__title {
    font-size: 2em;
    margin-bottom: 30px;
    color: var(--color-admin-primary);
}

/* Dashboard Cards (admin-stats) */
.admin-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
}

.admin-stats__card {
    flex: 1;
    background-color: var(--color-background);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow-base);
    border-left: 5px solid var(--color-admin-primary);
}

.admin-stats__number {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--color-admin-primary);
}

.admin-stats__label {
    font-size: 1.1em;
    color: #6c757d;
}

/* Productos y Formularios (admin-content) */
.admin-content__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.admin-content__add-button {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

.admin-content__add-button:hover {
    background-color: #2563eb;
}

/* Tablas y Formularios */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--color-background);
    box-shadow: var(--shadow-base);
    border-radius: 8px;
    overflow: hidden;
}

.admin-table th, .admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--color-secondary);
}

.admin-table th {
    background-color: #e3e6f0;
    font-weight: 600;
    color: var(--color-text-dark);
}

.admin-table__actions-button {
    background-color: var(--color-discount);
    color: var(--color-text-light);
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
    margin-left: 5px;
}

/* Formulario de Agregar Producto (admin-form) */
.admin-form {
    background-color: var(--color-background);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow-base);
}

.admin-form__group {
    margin-bottom: 15px;
}

.admin-form__label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
}

.admin-form__input, .admin-form__textarea, .admin-form__select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ced4da;
    border-radius: 4px;
    font-size: 1em;
}

.admin-form__button {
    background-color: var(--color-admin-primary);
    color: var(--color-text-light);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}

.admin-form__button:hover {
    background-color: #5535a0;
}

/* Estilos específicos para la sección de Solicitudes */
.admin-requests__item {
    background-color: #f0f8ff;
    padding: 15px;
    margin-bottom: 10px;
    border-left: 5px solid var(--color-primary);
    border-radius: 4px;
}