/* -------------------- */
/* 1. Base y Reset */
/* -------------------- */

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

:root {
    /* Paleta de colores */
    --color-degrade-start: #667eea;
    --color-degrade-end: #764ba2;
    --color-accent: #4a148c;
    --color-background: #ffffff;
    --color-text: #333333;
    --color-manga-border: #dddddd;
    --color-price: #555555;

    /* Fuente */
    --font-family-ui: 'Roboto', sans-serif;
}

body {
    font-family: var(--font-family-ui);
    line-height: 1.6;
    background-color: var(--color-background);
    color: var(--color-text);
    font-weight: 400;
}

a {
    text-decoration: none;
    color: var(--color-text);
    transition: color 0.3s;
}

/* Contenedor principal para centrar el contenido */
main {
    max-width: 1200px;
    margin: 20px auto;
    padding: 0 2rem;
}

/* -------------------- */
/* 2. Header (Navegación y Auth) */
/* -------------------- */

header {
    background: linear-gradient(135deg, var(--color-degrade-start) 0%, var(--color-degrade-end) 100%);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo img {
    height: 50px;
    object-fit: contain;
}

header .main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}
#welcome-message {
    color: white;
    font-weight: 400;
    font-size: 1rem;
    padding: 0.5rem 0;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    padding: 0;
}

nav a {
    color: white;
    font-weight: 400;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

nav a:hover {
    color: white;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: white;
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

.nav-link {
    color: white !important;
}

/* -------------------- */
/* Main Content y Títulos */
/* -------------------- */

h1 {
    font-size: 2.2rem;
    text-align: center;
    color: var(--color-accent);
    margin-top: 40px;
    margin-bottom: 20px;
    font-weight: 500;
}

main > p {
    max-width: 800px;
    margin: 0 auto 40px auto;
    text-align: center;
    font-size: 1rem;
    color: #666;
}

h2 {
    font-size: 1.5rem;
    text-align: center;
    color: var(--color-accent);
    margin-bottom: 30px;
    font-weight: 500;
}

/* -------------------- */
/*  Grid de Productos   */
/* -------------------- */

section div {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

article {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
}

article:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

article img {
    width: 100%;
    height: auto;
    max-height: 200px;
    object-fit: contain;
    margin-bottom: 15px;
    border-radius: 4px;
}

article h3 {
    font-size: 1.2rem;
    margin-top: 5px;
    color: var(--color-text);
    font-weight: 500;
}

article p {
    color: var(--color-price);
    font-weight: 400;
    margin: 8px 0 15px 0;
    font-size: 1rem;
}

article button {
    background-color: var(--color-accent);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

article button:hover {
    background-color: #5d359b;
}

/* -------------------- */
/*    Footer            */
/* -------------------- */

footer {
    background-color: var(--color-degrade-end);
    color: white;
    padding: 20px 2rem;
    margin-top: 50px;
    text-align: center;
    border-top: 5px solid var(--color-degrade-start);
}

footer p {
    margin-bottom: 10px;
    font-size: 0.9rem;
    font-weight: 300;
}

footer nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 20px;
    padding-top: 5px;
}

footer nav li {
    font-size: 0.9rem;
    opacity: 0.8;
    transition: opacity 0.3s;
    cursor: pointer;
    font-weight: 300;
}

footer nav li:hover {
    opacity: 1;
    color: var(--color-degrade-start);
}

/* -------------------- */
/*  Media Queries (Responsivo) */
/* -------------------- */

@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    header .main-nav {
        flex-direction: column;
        gap: 15px;
    }

    header .auth-links {
        justify-content: center;
    }

    nav ul {
        gap: 1.5rem;
        justify-content: center;
    }

    main {
        padding: 0 1rem;
    }
}

@media (max-width: 576px) {
    section div {
        grid-template-columns: 1fr;
    }
    article img {
        height: 250px;
    }
}

/* -------------------- */
/* 7. Auth Forms */
/* -------------------- */

.auth-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: left;
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 25px;
    color: var(--color-accent);
}

.auth-form div {
    margin-bottom: 15px;
}

.auth-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

.auth-form input[type="text"],
.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="tel"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #f7f9fc;
    transition: border-color 0.3s;
}

.auth-form input[type="text"]:focus,
.auth-form input[type="email"]:focus,
.auth-form input[type="password"]:focus,
.auth-form input[type="tel"]:focus {
    border-color: var(--color-degrade-start);
    outline: none;
}

.auth-form button {
    width: 100%;
    padding: 12px;
    background-color: var(--color-accent);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

.auth-form button:hover {
    background-color: #5d359b;
}

.auth-form #error-message {
    color: #d9534f;
    margin-top: 10px;
    text-align: center;
}
/* Contact Form Styles */
.contact-form {
    max-width: 600px;
    margin: 50px auto;
    padding: 40px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.contact-form h2 {
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: 500;
    color: #333;
}

.form-group {
    margin-bottom: 20px;
}

.contact-form label {
    display: block;
    margin-bottom: 0;
    font-weight: 500;
    color: #555;
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    background-color: #fff;
    transition: border-color 0.3s;
    font-size: 1rem;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form input[type="tel"]:focus,
.contact-form textarea:focus {
    border-color: var(--color-degrade-start);
    outline: none;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

.contact-form .g-recaptcha {
    margin-bottom: 20px;
}

.contact-form button {
    background-color: var(--color-accent);
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.3s;
}

.contact-form button:hover {
    background-color: #343a40;
}


.btn-accent {
    background-color: var(--color-accent);
    color: white;
    border: none;
}

.btn-accent:hover {
    background-color: #5d359b;
    color: white;
}

/* Zoom effect for product images */
.card {
    overflow: hidden;
}

.card .card-img-top {
    transition: transform 0.3s ease;
}

.card-img-top:hover {
    transform: scale(1.3);
}