/* ====================================
    🔹 Variables y Reset Global 🔹
==================================== */
:root {
    /* Paleta de colores */
    --primary-bg: #111111; /* Fondo principal más oscuro */
    --secondary-bg: #1a1a1a; /* Navbar, Footer */
    --card-bg: #2a2a2a; /* Fondo de tarjetas/contenedores */
    --accent-color: #ff3c3c; /* Rojo de acento */
    --text-color: #ffffff;
    --light-text: #ddd;
    --success-color: #4CAF50; /* Verde para guardar/éxito */
}

*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--primary-bg); /* Usando variable */
    color: var(--text-color);
    font-family: 'Inter', sans-serif; /* Usando Inter por defecto */
    line-height: 1.6;
}

/* --------------------
    🔸 Loading Spinner
-------------------- */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
    z-index: 9999;
}

.spinner {
    border: 5px solid rgba(255, 255, 255, 0.3);
    border-top: 5px solid var(--accent-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ====================================
    🔹 Navbar general (Header)
==================================== */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--secondary-bg);
    padding: 10px 20px;
    color: var(--text-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5); /* Sombra para destacar */
}

.navbar-brand {
    display: flex;
    align-items: center;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--accent-color);
    text-decoration: none;
}

/* Logo */
.navbar-logo {
    width: 45px; /* Ligeramente ajustado */
    height: 45px;
    border-radius: 50%; /* Borde circular */
    margin-right: 10px;
}

/* Menú principal */
.navbar-menu {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Links del menú */
.navbar-menu a {
    color: var(--text-color);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 8px; /* Esquinas más redondeadas */
    transition: background-color 0.3s, color 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.navbar-menu a:hover {
    background-color: var(--accent-color);
    color: var(--text-color);
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown > a {
    cursor: pointer;
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%; /* Posicionamiento debajo del botón */
    right: 0;
    background-color: var(--card-bg);
    min-width: 180px;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.4);
    z-index: 1010;
    border-radius: 8px;
    margin-top: 5px;
}

.dropdown-content a {
    color: var(--text-color);
    padding: 10px 15px;
    text-decoration: none;
    display: block;
    transition: background-color 0.3s;
    border-radius: 0; /* Desactivar borde de link base */
}

.dropdown-content a:hover {
    background-color: var(--accent-color);
}
/* Asegurar que las esquinas del dropdown-content se mantengan redondeadas */
.dropdown-content a:first-child { border-top-left-radius: 8px; border-top-right-radius: 8px; }
.dropdown-content a:last-child { border-bottom-left-radius: 8px; border-bottom-right-radius: 8px; }


.dropdown:hover .dropdown-content {
    display: block;
}

/* ====================================
    🔹 Contenedor de búsqueda (oculto en HTML, pero manteniendo estilos)
==================================== */
.search-container {
    display: flex;
    align-items: center;
}

.search-input {
    padding: 8px 12px; /* Aumentado padding */
    border-radius: 5px 0 0 5px;
    border: 1px solid #444;
    background-color: #333;
    color: var(--text-color);
}

.search-button {
    padding: 8px 12px;
    border: none;
    background-color: var(--accent-color);
    color: var(--text-color);
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    transition: background-color 0.3s;
}

.search-button:hover {
    background-color: #e63232;
}

/* ====================================
    🔹 Card y secciones
==================================== */
.container {
    padding: 40px 20px; /* Más espacio vertical */
    max-width: 1200px;
    margin: 0 auto;
}

.section h1 {
    margin-bottom: 20px;
    color: var(--accent-color);
    font-size: 2rem;
    border-bottom: 2px solid #333;
    padding-bottom: 5px;
}

/* Contenedor principal de tarjetas */
.main-card-container {
    display: flex;
    flex-wrap: wrap; 
    gap: 20px; 
    padding: 10px 0;
    justify-content: flex-start;
}
/* Estilo específico para secciones que sí queremos forzar scroll horizontal */
.section .card-container {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
    overflow-x: auto; /* Scroll visible si es necesario */
    padding: 10px 0;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--secondary-bg);
}
.section .card-container::-webkit-scrollbar {
    height: 8px;
}
.section .card-container::-webkit-scrollbar-thumb {
    background-color: var(--accent-color);
}
.section .card-container::-webkit-scrollbar-track {
    background: var(--secondary-bg);
}


/* Tarjetas (Cards) */
.card {
    flex: 0 0 calc(25% - 15px); /* 4 tarjetas por fila en escritorio con 20px de gap */
    min-width: 150px;
    background-color: var(--card-bg);
    color: var(--text-color);
    border-radius: 12px; /* Más redondeado */
    padding: 12px;
    text-align: center;
    font-size: 0.9rem;
    transition: transform 0.3s, box-shadow 0.3s, border 0.3s;
    border: 1px solid transparent; /* Borde inicial transparente */
}

.card:hover {
    transform: translateY(-7px); /* Mayor elevación */
    box-shadow: 0px 8px 25px rgba(0,0,0,0.5); /* Sombra más pronunciada */
    border: 1px solid var(--accent-color); /* Borde al pasar el mouse */
}

.card img {
    width: 100%;
    height: 220px; /* Ligeramente más alto */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 8px;
}

.explore-button,
.delete-btn {
    margin-top: 8px;
    padding: 8px 15px; /* Más padding para mejor touch-target */
    background-color: var(--accent-color);
    border: none;
    color: var(--text-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: background-color 0.3s, transform 0.2s;
}

.explore-button:hover,
.delete-btn:hover {
    background-color: #e63232;
    transform: translateY(-1px);
}

.explore-button:focus,
.delete-btn:focus {
    outline: 2px solid var(--text-color);
    outline-offset: 2px;
}

.card button.tick {
    background: var(--success-color);
    color: white;
    cursor: default;
}

.card h2 {
    font-size: 1.1rem;
    margin: 5px 0;
    color: var(--light-text);
}

.card p {
    font-size: 0.85rem;
    margin: 5px 0 10px;
    color: var(--light-text);
}

/* ====================================
    🔹 Footer
==================================== */
footer {
    background-color: var(--secondary-bg);
    color: var(--text-color);
    text-align: center;
    padding: 25px 0;
    border-top: 1px solid #333;
}

.social-links a {
    color: var(--text-color);
    margin: 0 10px;
    font-size: 22px;
    transition: color 0.3s;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* ====================================
    🔹 Back to top
==================================== */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--accent-color);
    color: var(--text-color);
    padding: 12px;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s, transform 0.2s;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.back-to-top:hover {
    background-color: #e63232;
    transform: translateY(-2px);
}

.back-to-top:focus {
    outline: 2px solid var(--text-color);
    outline-offset: 2px;
}


/* ====================================
    🔹 Dropdown Perfil (Mejorado)
==================================== */
.perfil-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px;
    background-color: var(--card-bg);
    border-radius: 8px;
    min-width: 200px;
}

.perfil-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 15px;
}

.perfil-foto {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 8px;
    border: 3px solid var(--accent-color);
}

.perfil-nombre {
    font-size: 1.1rem;
    color: var(--accent-color);
    margin: 0;
}

.perfil-content a {
    padding: 8px 15px;
    font-weight: 500;
}

/* ====================================
    🔹 Ajustes de Capítulos Compactos
==================================== */
.scroll-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

/* Flechas laterales (mejorando estilos) */
.scroll-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.7); /* Fondo más neutro para las flechas */
    border: none;
    color: white;
    font-size: 24px; /* Flechas más grandes */
    padding: 10px;
    cursor: pointer;
    border-radius: 50%; /* Circular */
    opacity: 0;
    transition: opacity 0.3s, background-color 0.3s;
    z-index: 10;
}

.scroll-btn:hover {
    background-color: rgba(255, 60, 60, 0.9);
}

.scroll-wrapper:hover .scroll-btn {
    opacity: 1;
}

.scroll-btn.left { left: 0; }
.scroll-btn.right { right: 0; }

/* Tarjetas de Capítulo */
.capitulo-container {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px; /* Espacio uniforme */
    overflow-x: auto;
    padding: 10px 0;
    scrollbar-width: none; /* Ocultar en Firefox */
}
.capitulo-container::-webkit-scrollbar {
    display: none; /* Ocultar en Webkit */
}


.capitulo-card {
    flex: 0 0 110px; /* Ancho ligeramente mayor */
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 8px;
    text-align: center;
    color: var(--text-color);
    font-size: 0.8rem;
    transition: transform 0.3s, box-shadow 0.3s, border 0.3s;
}

.capitulo-card:hover {
    transform: translateY(-5px);
    box-shadow: 0px 5px 15px rgba(0,0,0,0.3);
    border: 1px solid var(--accent-color);
}

.capitulo-card img {
    height: 140px; /* Altura ajustada */
    border-radius: 6px;
    margin-bottom: 6px;
}

.capitulo-card button {
    margin-top: 5px;
    padding: 6px 10px;
    font-size: 0.8rem;
    border-radius: 5px;
}

/* ====================================
    🔹 Menú responsive hamburguesa
==================================== */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    /* margin-right: 10px; Removido, el flex lo maneja mejor */
    border: none;
    background: transparent;
    padding: 0;
}

.menu-toggle div {
    width: 28px;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Animación de deslizamiento del menú */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Estilos móviles */
@media (max-width: 992px) {
    /* Mostrar hamburguesa a partir de tabletas */
    .menu-toggle {
        display: flex;
    }

    .navbar-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: var(--secondary-bg);
        border-top: 1px solid #333;
        text-align: left;
        padding: 10px 0;
        position: absolute;
        top: 65px; /* Altura de la navbar */
        left: 0;
        animation: slideDown 0.3s ease forwards;
    }

    .navbar-menu.active {
        display: flex;
    }

    .navbar-menu a {
        padding: 12px 20px;
        border-bottom: 1px solid #333;
        border-radius: 0;
    }
    /* Retirar el borde del último elemento */
    .navbar-menu a:last-of-type,
    .navbar-menu .dropdown:last-of-type a:first-child {
        border-bottom: none;
    }


    .dropdown-content {
        position: static;
        background: none;
        border: none;
        box-shadow: none;
        padding: 0;
        margin-top: 0;
    }

    .dropdown-content a {
        padding-left: 40px;
        font-size: 0.9rem;
        background-color: rgba(255, 60, 60, 0.1);
        border-bottom: 1px solid #333;
    }
    .dropdown-content a:last-child {
        border-bottom: none;
    }

    /* Resetear hover para evitar problemas visuales */
    .dropdown:hover .dropdown-content {
        display: none;
    }
    .dropdown:focus-within .dropdown-content {
        display: block;
    }
}


/* ====================================
    🔹 Responsive - General 🔹
==================================== */
@media screen and (max-width: 1200px) {
    .card {
        flex: 0 0 calc(33.333% - 13.333px); /* 3 tarjetas por fila */
    }
}

@media screen and (max-width: 768px) {
    .container {
        padding: 20px 15px;
    }

    .card {
        flex: 0 0 calc(50% - 10px); /* 2 tarjetas por fila */
        min-width: unset;
        max-width: 100%;
    }
    
    .card img {
        height: 180px;
    }

    .section h1 {
        font-size: 1.5rem;
    }
    
    .scroll-btn {
        display: none; /* Ocultar flechas en móvil, usar scroll nativo */
    }

    .capitulo-card {
        flex: 0 0 90px;
        font-size: 0.7rem;
    }
    .capitulo-card img {
        height: 100px;
    }
}

@media screen and (max-width: 480px) {
    .card {
        flex: 0 0 100%; /* 1 tarjeta por fila */
    }

    .card img {
        height: 250px;
    }

    .navbar-brand span {
        font-size: 1rem;
    }
}

/* ====================================
    🔹 Estilos Específicos para Editar Perfil 🔹
==================================== */

.contenedor-principal {
    max-width: 600px;
    margin: 40px auto;
    padding: 30px;
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
    color: var(--text-color);
}

.contenedor-principal h1 {
    text-align: center;
    color: var(--accent-color);
    margin-bottom: 30px;
    font-size: 2rem;
}

.formulario-perfil {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.campo {
    display: flex;
    flex-direction: column;
}

.campo label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--light-text);
    font-size: 1rem;
}

.campo input[type="text"],
.campo input[type="email"],
.campo textarea {
    padding: 12px;
    border: 1px solid #444;
    background-color: var(--secondary-bg);
    color: var(--text-color);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.campo input:focus,
.campo textarea:focus {
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 5px rgba(255, 60, 60, 0.5);
}

.campo textarea {
    resize: vertical;
    min-height: 100px;
}

.campo-foto {
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.foto-actual {
    width: 140px; /* Ligeramente más pequeño */
    height: 140px;
    border-radius: 50%;
    border: 4px solid var(--accent-color);
    box-shadow: 0 0 15px rgba(255, 60, 60, 0.4);
}

.boton-subir {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: background-color 0.3s;
}

.boton-subir:hover {
    background-color: #e63232;
}

.boton-guardar {
    padding: 14px 25px; /* Más robusto */
    background-color: var(--success-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: bold;
    margin-top: 20px;
    transition: background-color 0.3s, transform 0.2s;
}

.boton-guardar:hover {
    background-color: #3e8e41;
    transform: translateY(-1px);
}

@media screen and (max-width: 600px) {
    .contenedor-principal {
        margin: 20px 10px;
        padding: 20px;
    }

    .foto-actual {
        width: 100px;
        height: 100px;
    }

    .boton-guardar {
        font-size: 1rem;
        padding: 10px 15px;
    }
}