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

:root {
    /* Colores modo claro (default) */
    --color-bg: #f5f5f5;
    --color-bg-dark: #222;
    --color-bg-card: #222; /* Fondo negro para cards en modo claro */
    --color-header-bg: #f0f0f0;
    --color-footer-bg: #f0f0f0;
    --color-text: #f0f0f0; /*AQUI PARA CAMBIAR EL COLOR LETRAS DENTRO DE ANUNCIO CON BG EN BLACK*/
    --color-text-light: #ffffff;
    --color-text-dark: #f0f0f0;
    --color-primary: #00bfff;
    --color-primary-hover: #009acd;
    --color-input-bg: #f8f9fa;
    --color-placeholder: #e9f0fe;
    --color-input-dark-bg: #e9f0fe;
    --color-input-dark-border: #444;
    --color-text-placeholder: #424548;
    --color-placeholder-focus: #b6f9fe;
    --color-text-placeholder-focus: #333;
    --shadow-header: 0 2px 8px rgba(0,0,0,0.1);
    --shadow-footer: 0 -2px 8px rgba(0,0,0,0.1);
}

/* Colores para modo oscuro */
body.dark-mode {
    --color-bg: #222;
    --color-bg-dark: #f5f5f5;
    --color-bg-card: #f0f0f0; /* Fondo blanco para cards en modo oscuro */
    --color-header-bg: #1a1a1a;
    --color-footer-bg: #1a1a1a;
    --color-text: #ffffff;
    --color-text-light: #222;
    --color-text-dark: #111;
    --color-input-bg: #333;
    --color-placeholder: #444;
    --color-input-dark-bg: #444;
    --color-input-dark-border: #666;
    --color-card-text: #111; /* Texto negro en cards modo oscuro */
    --shadow-header: 0 2px 8px rgba(0,0,0,0.3);
    --shadow-footer: 0 -2px 8px rgba(0,0,0,0.3);
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

.main-bg-container {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    padding: 0.5rem;
    box-sizing: border-box;
}


.mb-2 {
    color: #00bfff;
}

/* Estilos del navbar/header - MOBILE FIRST */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.5rem;
    background-color: var(--color-header-bg) !important;
    box-shadow: var(--shadow-header);
}

.navbar-brand, .nav-link {
    color: var(--color-text) !important;
}

.navbar-brand img {
    height: 30px;
    width: auto;
}

/* Estilos para footer - MOBILE FIRST */
footer, .footer, .footer.bg-body-tertiary {
    flex-shrink: 0;
    width: 100%;
    background-color: var(--color-footer-bg) !important;
    color: var(--color-text) !important;
    text-align: center;
    padding: 0.75rem 0;
    margin: 0;
    border-top: 1px solid #ddd;
    box-shadow: var(--shadow-footer);
}

/* Ajustar color del texto en el footer según el tema */
footer .mb-0, .footer .mb-0, footer h4, .footer h4 {
    color: var(--color-text) !important;
}

/* Footer responsivo */
.footer .row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
}

.footer .copyright-text {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.9rem;
}

.footer .social-icons {
    display: flex;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    height: 24px; /* Altura fija para el contenedor */
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px; /* Tamaño uniforme para los iconos */
    height: 24px; /* Tamaño uniforme para los iconos */
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.social-icon img {
    width: 24px; /* Tamaño de la imagen */
    height: 24px; /* Tamaño de la imagen */
    object-fit: contain;
}

.social-icon:hover {
    transform: scale(1.2);
    opacity: 0.8;
}
.validate{
    color: #00bfff;
}

@media (min-width: 768px) {
    .social-icons {
        justify-content: flex-end; /* Alinea a la derecha en pantallas más grandes */
    }
}

.container-fluid {
    width: 100%;
    padding-right: 0.5rem;
    padding-left: 0.5rem;
    margin-right: auto;
    margin-left: auto;
}

/* Card para formularios */
.FormCard {
    background-color: var(--color-bg-card);
    border-radius: 12px;
    width: 100%;
    max-width: 500px;
    margin: 1rem auto;
    padding: 1.5rem 1rem;
    color: var(--color-text-light);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.ProductCard {
    max-width: 340px;
    min-width: 219px;
    margin-left: auto;
    margin-right: auto;
    border: 1px solid #eaeaea;
    background-color: var(--color-bg-card);
    color: var(--color-card-text);
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.07);
    padding: 1rem 1rem 0.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.ProductCard .card-img-top, .ProductCard img, .product-grid-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px 8px 8px 8px;
    margin-bottom: 0.7rem;
}

.ProductCard .card-title,
.ProductCard .card-text {
    color: var(--color-card-text);
}

@media (min-width: 900px) {
    .ProductCard .card-img-top, .ProductCard img, .product-grid-img {
        height: 180px;
    }
}


.cards-container {
    margin-bottom: 1rem;
    display: grid;
    grid-template-columns: repeat(1, 1fr); 
    gap: 1.5rem;
    width: 100%;
    justify-content: center;
}

@media (min-width: 576px) {
    .cards-container {
        grid-template-columns: repeat(2, 1fr); 
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (min-width: 768px) {
    .cards-container {
        grid-template-columns: repeat(3, 1fr); 
        max-width: 1100px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (min-width: 992px) {
    .cards-container {
        grid-template-columns: repeat(4, 1fr); 
        max-width: 1400px;
        margin-left: auto;
        margin-right: auto;
    }
}
.pagination {
    margin-top: 1rem !important;
    margin-bottom: 0 !important;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

.page-link {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}


#filter-form {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.03);
    border-radius: 0.5rem;
    display: none;
    width: 100%;
}

#filter-form form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
}

#filter-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--color-text);
}

#filter-form input {
    width: 100%;
    height: 42px;
    border-radius: 8px;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border: 1px solid #ddd;
    background-color: var(--color-input-bg);
    color: #222;
}

body.dark-mode #filter-form input {
    background-color: #444;
    color: #fff;
    border-color: #666;
}

#filter-form input::placeholder {
    color: #666;
}

body.dark-mode #filter-form input::placeholder {
    color: #ccc;
}

#filter-form button, .filter-button{
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 0.25rem;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}
#filter-form button{
    width: 100%;
    max-width: 250px;
    align-self: center;
}

#filter-form button:hover, .filter-button:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-2px);
}

@media (min-width: 576px) {
    #filter-form form {
        flex-direction: row;
        flex-wrap: wrap;
    }

    #filter-form input {
        flex: 1 1 calc(50% - 0.5rem);
    }

    #filter-form button {
        width: auto;
        margin-top: 0.5rem;
    }
}

@media (min-width: 768px) {
    #filter-form input {
        flex: 1 1 calc(33.33% - 0.5rem);
    }
}

@media (min-width: 992px) {
    #filter-form input {
        flex: 1 1 calc(25% - 0.5rem);
    }
}

@media (min-width: 576px) {
    .main-bg-container {
        padding: 0.75rem;
    }

    .cards-container {
        grid-template-columns: repeat(2, 1fr); 
    }
    .navbar {
        padding: 0.5rem 1rem;
    }
    
    .footer .copyright-text {
        font-size: 1rem;
    }
    
    .footer .social-icons {
        margin-top: 0;
    }
}

@media (min-width: 768px) {
    .main-bg-container {
        padding: 1rem 2rem;
    }

    .cards-container {
        grid-template-columns: repeat(3, 1fr); /* 3 columnas en pantallas medianas */
    }
    
    .product-grid-img {
        height: 180px;
    }
    .footer .row {
        justify-content: center; /* Centrar todo el contenido del footer */
    }
}

@media (min-width: 992px) {
    .main-bg-container {
        padding: 1.5rem 3rem;
    }

    .cards-container {
        grid-template-columns: repeat(4, 1fr); /* 4 columnas en pantallas grandes */
    }
    
    .product-grid-img {
        height: 200px;
    }
    
}

.form_input label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--color-text);
}

.FormCard .form_input label {
    color: var(--color-text-light);
}

.input {
    width: 100%;
    padding: 0.75rem;
    background-color: #ffffff;
    border: 1px solid #cccccc;
    border-radius: 4px;
    color: #222222;
}

.input::placeholder {
    color: #777777;
    opacity: 1;
}

.input:focus {
    background-color: #eafaff;
    border-color: #00bfff;
    color: #222;
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(0, 191, 255, 0.25);
}

.form_action {
    margin-top: 1.5rem;
    text-align: center;
}

.btn, .btn-primary {
    display: inline-block;
    font-weight: 400;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: 0.25rem;
    background-color: var(--color-primary) !important;
    color: var(--color-text-light) !important;
    margin-bottom: 0.5rem;
    border: none;
    box-shadow: 0 2px 8px rgba(0,191,255,0.10);
    transition: 
        background-color .18s cubic-bezier(.4,0,.2,1),
        box-shadow .18s cubic-bezier(.4,0,.2,1),
        transform .18s cubic-bezier(.4,0,.2,1);
}

.btn:hover, .btn-primary:hover {
    background-color: var(--color-primary-hover) !important;
    color: var(--color-text-light) !important;
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 4px 16px rgba(0,191,255,0.18);
}

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

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

/* Estilo para botón de tema */
#theme-toggle {
    flex: 0 0 auto;
    align-self: center;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
}

@media (max-width: 991px) {
    .navbar {
        padding: 0.5rem 1rem;
    }
    .navbar .container-fluid {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }

    .navbar-toggler {
        order: 3; 
        margin-top: 0.5rem;
    }
    .navbar .d-flex.order-lg-last {
        order: 2;
        flex-wrap: nowrap;
        align-items: center;
        gap: 0.5rem;
    }
    .navbar-collapse {
        order: 4;
        width: 100%;
        margin-top: 0.75rem;
    }
    .navbar-collapse .btn {
        width: 100%;
        margin-bottom: 0.4rem;
        text-align: left;
    }
    .dropdown-toggle span {
        display: none; 
    }
    .dropdown-toggle img {
        margin-right: 0 !important;
    }
    body.dark-mode .navbar-toggler {
        background-color: rgba(255, 255, 255, 0.1);
        border-color: rgba(255, 255, 255, 0.2);
    }
    
    body.dark-mode .navbar-toggler-icon {
        filter: invert(1);
        opacity: 0.8;
    }
}