/* ==========================================================================
   1. VARIABLES GLOBALES Y RESET BÁSICO (TEMA VIRTUAL+)
   ========================================================================== */
:root {
    --color-primario: #8a5ff2;
    --color-acento: #64ffda;
    --color-vivo: rgba(45, 212, 191, 0.2);
    --color-fondo: #0a192f;
    --color-texto: #ccd6f6;
    --color-texto-secundario: #8892b0;
    --color-texto-terciario: #495670;
    --color-superficie: #112240;
    --color-superficie-clara: #1d2f50;
    --color-blanco: #FFFFFF;
    --color-borde-primario: #233554;
    --sombra-suave: 0 4px 15px rgba(0, 0, 0, 0.2);
    --sombra-fuerte: 0 8px 25px rgba(0, 0, 0, 0.4);
    --fuente-titulos: 'Montserrat', sans-serif;
    --fuente-cuerpo: 'Roboto', sans-serif;
    --color-btn-add: var(--color-acento);
    --color-acento-rgb: 100, 255, 218;
    --color-danger: #e74c3c;
    --color-bg-hero: #020c1b;
    --color-ink-dark: #0f172a;
    --color-warning: #f59e0b;
    --color-warning-rgb: 245, 158, 11;
    --color-warning-light: #fcd34d;
    --color-warning-dark: #d97706;
    --color-offwhite: #fffbeb;
    --color-success: #22c55e;
    --color-success-alt: #2ecc71;
    --color-progress-complete: #10b981;
    --color-yellow: #fff154;
    --color-black: #000;
    --color-gray-white:#b3b3b3;
    --color-dorado: #ffd700;
    --sombra-azul: rgba(37, 99, 235, 0.3);
    --color-gray-dark: rgba(255, 255, 255, 0.3);
    --bg-exito-dark: rgba(34, 197, 94, 0.1); 
    --bg-error-dark: rgba(231, 76, 60, 0.1); 
    --borde-exito-dark: rgba(34, 197, 94, 0.3);
    --borde-error-dark: rgba(231, 76, 60, 0.3);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: var(--color-texto-terciario) var(--color-fondo);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-gutter: stable;
}

body {
    font-family: var(--fuente-cuerpo);
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: var(--color-acento);
}


/* ==========================================================================
   2. ENCABEZADO Y NAVEGACIÓN (HEADER)
   ========================================================================== */

.main-header {
    display: flex;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--color-superficie);
    border-bottom: 1px solid var(--color-borde-primario);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo-container {
    flex: 1;
    display: flex;
    justify-content: flex-start;
}

.main-nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.site-name {
    display: flex;
    align-items: center;
}

.header-logo {
    height: 40px;
}

.search-container {
    width: 100%;
    margin: 0 20px;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 750px;
}

.search-input-group {
    display: flex;
    width: 100%;
    border: 1px solid var(--color-borde-primario);
    border-radius: 8px;
    background-color: var(--color-superficie-clara);
    box-shadow: var(--sombra-suave);
    overflow: hidden;
    position: relative;
    z-index: 1001;
    background-color: var(--color-fondo);
}

.search-input-group:focus-within {
    border-color: var(--color-acento);
    box-shadow: 0 0 0 2px var(--color-acento-rgb);
}

.search-icon {
    padding: 0.75rem 1rem;
    color: var(--color-texto-secundario);
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-superficie-clara);
    border-right: 1px solid var(--color-borde-primario);
}

#search-input {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    border: none;
    background: transparent;
    color: var(--color-texto);
    font-size: 1rem;
    outline: none;
}

#search-input::placeholder {
    color: var(--color-texto-terciario);
}

.category-filter {
    padding: 0.75rem 1rem;
    border: none;
    background-color: var(--color-superficie-clara);
    color: var(--color-texto);
    font-size: 1rem;
    cursor: pointer;
    outline: none;
    border-left: 1px solid var(--color-borde-primario);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 0.50em auto;
    padding-right: 2.5rem;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%238892b0%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22/%3E%3C/svg%3E');
}

.category-filter option {
    background-color: var(--color-superficie);
    color: var(--color-texto);
}

.suggestions-list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;    
    background-color: var(--color-superficie);
    margin-top: 5px; 
    border: 1px solid var(--color-borde-primario);
    border-radius: 8px; 
    box-shadow: 0 10px 25px -5px var(--sombra-suave); 
    z-index: 1000;
    max-height: 250px;
    overflow-y: auto;
}

.suggestions-list div {
    padding: 0.75rem 1rem;
    color: var(--color-texto-secundario);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
    display: flex;
    align-items: center;
}

.suggestions-list div:hover,
.suggestions-list div.suggestion-active {
    background-color: rgba(var(--color-acento-rgb), 0.1);
    color: var(--color-acento);
}

.suggestions-list div::before {
    content: "\f002";
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-right: 10px;
    color: var(--color-texto-terciario);
    font-size: 0.9em;
}

/* ==========================================================================
   3. MENÚ DE PERFIL DE USUARIO (UNIFICADO)
   ========================================================================== */

.user-profile-container {
    position: relative;
}

#profile-icon-btn {
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important; 
    display: flex !important;
    align-items: center;
    justify-content: center;
    overflow: hidden !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent;
    border: 2px solid var(--color-gray-dark);
    cursor: pointer;
    color: var(--color-texto-secundario);
    font-size: 1.4rem; 
    transition: all 0.3s ease;
}

#profile-icon-btn:hover {
    border-color: var(--color-acento);
    color: var(--color-acento);
}

.header-avatar-img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    border-radius: 50%;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 50px; 
    right: 0;
    background-color: var(--color-superficie);
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--sombra-suave);
    border: 1px solid var(--color-borde-primario);
    min-width: 240px;
    width: auto;
    max-width: 320px;
    z-index: 1100;
}

.dropdown-menu.show {
    display: block;
}

.dropdown-header {
    padding: 1rem;
    border-bottom: 1px solid var(--color-borde-primario);
}

.dropdown-header strong {
    display: block;
    color: var(--color-texto);
    white-space: nowrap; 
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}

.dropdown-header small {
    color: var(--color-texto-secundario);
    font-size: 0.85rem;
    display: block;
    word-break: break-all;
    line-height: 1.2;
}

.dropdown-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    color: var(--color-texto);
    text-decoration: none;
    transition: background-color 0.2s;
    font-size: 0.95rem;
}

.dropdown-item:hover {
    background-color: var(--color-fondo);
    color: var(--color-acento);
}

.dropdown-item i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
}


/* ==========================================================================
   4. SECCIÓN HERO (BIENVENIDA)
   ========================================================================== */

.hero-section {
    background-color: var(--color-bg-hero);
    padding: 100px 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 25, 47, 0.5);
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-section h1 {
    font-family: var(--fuente-titulos);
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--color-texto-principal);
    opacity: 0;
    animation: slideUp 1s ease-out 0.5s forwards;
    text-shadow: 0 2px 8px var(--sombra-fuerte);
}

.hero-section p {
    font-size: 1.40rem;
    margin-bottom: 2rem;
    color: var(--color-texto-secundario);
    opacity: 0;
    animation: slideUp 1s ease-out 0.8s forwards;
    text-shadow: 0 1px 4px var(--sombra-fuerte);
}

.cta-button {
    background-color: var(--color-acento);
    color: var(--color-fondo);
    padding: 1rem 2.5rem;
    border-radius: 10px;
    font-size: 1.3rem;
    font-weight: bold;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    opacity: 0;
    animation: slideUp 1s ease-out 1.1s forwards;
    display: inline-block;
    cursor: pointer;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(var(--color-acento-rgb), 0.25);
    background-color: color-mix(in srgb, var(--color-acento) 85%, white 15%);
}

.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    animation: kenBurnsFade 18s infinite;
}

/* Anmación de imagenes HERO */
@keyframes kenBurnsFade {
    0% {
        opacity: 0;
        transform: scale(1.05) rotate(1deg);
    }

    10% {
        opacity: 1;
    }

    25% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }

    35% {
        opacity: 0;
        transform: scale(1) rotate(0deg);
    }

    100% {
        opacity: 0;
    }
}

/* Anmimacion del testo*/
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

.slide:nth-child(2) {
    animation-delay: 6s;
}

.slide:nth-child(3) {
    animation-delay: 12s;
}

.slide:nth-child(2) {
    animation-delay: 6s;
}

.slide:nth-child(3) {
    animation-delay: 12s;
}

.slide:nth-child(4) {
    animation-delay: 18s;
}


/* ==========================================================================
   5. CATALOGO DE CURSOS Y MIS CURSOS
   ========================================================================== */

.main-content {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 0;
    box-sizing: border-box;
    overflow: visible;
}

#dynamic-catalog-container,
.content-section,
.user-courses-content {
    scroll-margin-top: 60px;
}

.course-category h2,
.user-courses-content h2 {
    font-family: var(--fuente-titulos, sans-serif);
    font-size: 2rem;
    color: var(--color-texto);
    border-bottom: 3px solid var(--color-acento);
    display: inline-block;
    margin-left: 57px;
    position: relative;
}

.user-courses-content h2::after {
    content: '';
    display: none;
}

/* ESTRUCTURA DEL CARRUSEL (Riel y Wrapper) */

.carousel-wrapper {
    position: relative;
    width: 100%;
    padding: 0 50px;
    box-sizing: border-box;
    overflow: visible;
    z-index: 10;
}

.courses-grid,
#mis-cursos-grid {
    display: flex;
    gap: 25px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 20px 5px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.courses-grid::-webkit-scrollbar,
#mis-cursos-grid::-webkit-scrollbar {
    display: none;
}

/* TARJETAS DE CURSO*/
.course-card-link {
    flex: 0 0 auto;
    width: 300px;
    text-decoration: none;
    color: inherit;
    display: block;
    margin-bottom: 1.5rem;
}

.course-card {
    background-color: var(--color-superficie);
    border: 1px solid var(--color-borde-primario);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--sombra-suave);
    border-color: var(--color-primario);
}

.course-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}

.course-card .card-content {
    padding: 1.2rem;
}

.course-card h3 {
    font-family: var(--fuente-titulos, sans-serif);
    font-size: 1.1rem;
    margin: 0.5rem 0;
    color: var(--color-texto);
    line-height: 1.4;
}

.category-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: rgba(0, 123, 255, 0.1);
    color: var(--color-acento);
    padding: 4px 8px;
    border-radius: 4px;
    border: 1px solid rgba(0, 123, 255, 0.2);
    margin-bottom: 8px;
}

.remove-course-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 30;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background-color: var(--sombra-fuerte);
    color: var(--color-blanco);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
}

.course-card:hover .remove-course-btn {
    opacity: 1;
}

.remove-course-btn:hover {
    background-color: var(--color-danger);
    transform: scale(1.1);
}

/* Barra de Progreso */
.progress-text {
    font-size: 0.85rem;
    color: var(--color-texto-secundario);
    display: flex;
    justify-content: space-between;
    margin-top: 1rem;
    margin-bottom: 0.25rem;
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background-color: var(--color-borde-primario);
    border-radius: 10px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--color-primario);
    border-radius: 10px;
    transition: width 0.5s ease;
}

/* FLECHAS DE NAVEGACIÓN  */

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%) translateZ(0);
    z-index: 100;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-gray-dark);
    border: 1px solid transparent;
    color: #ffffff;
    box-shadow: 0 4px 12px var(--sombra-suave);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease, transform 0.2s ease-out;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    will-change: transform;
}

.carousel-arrow i {
    margin-top: 0;
    line-height: 1;
    color: #ffffff;
}

.carousel-arrow:hover {
    background-color: var(--color-vivo);
    color: var(--color-blanco);
    transform: translateY(-50%) scale(1.06) translateZ(0);
    box-shadow: 0 6px 12px var(--sombra-fuerte);
    border-color: var(--color-vivo);
}

.prev-arrow {
    left: 12px;
}

.next-arrow {
    right: 12px;
}

/* MIS CURSOS DASHBOARD */

.dashboard-header {
    background-color: var(--color-superficie);
    padding: 3rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    border: 1px solid var(--color-borde-primario);
    width: 95%;
    box-sizing: border-box;
    margin: auto;
    margin-bottom: 2rem;
}

.dashboard-header h1 {
    font-family: var(--fuente-titulos, sans-serif);
    font-size: 2.5rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.dashboard-header h1 i {
    color: var(--color-primario);
    font-size: 3rem;
    margin-right: 0.75rem;
}

.dashboard-header h1 #welcome-user-name {
    color: var(--color-primario);

}

.dashboard-header p {
    font-size: 1.2rem;
    color: var(--color-texto-secundario);
    margin: 0;
}

/* Sin Resultados */
.empty-state-universal {
    display: none;
    background-color: var(--color-superficie);
    border: 1px solid var(--color-borde-primario);
    border-radius: 12px;
    padding: 4rem 2rem;
    width: 90%;
    margin: auto;
    box-sizing: border-box;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 3rem;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--color-primario);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.empty-state-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--color-texto-principal);
    margin-top: 0;
}

.empty-state-text {
    color: var(--color-texto-secundario);
    margin-bottom: 2rem;
    font-size: 1.1rem;
    max-width: 500px;
}

.empty-state-btn {
    display: inline-block;
    padding: 15px 20px;
    background-color: var(--color-acento);
    color: var(--color-ink-dark);
    border-radius: 6px;
    text-decoration: none;
    border: none;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    border: 2px solid var(--color-acento);
    box-shadow: 0 4px 6px var(--color-vivo);
}

#ver {
    padding: 10px 25px !important;
}

.empty-state-btn:hover {
    color: var(--color-acento);
    background-color: color-mix(in srgb, var(--color-acento), transparent 85%);
}

/* ESTILOS PARA CURSOS COMPLETADOS */
.course-card.completed-card {
    border: 2px solid var(--color-warning);
    box-shadow: 0 4px 15px var(--color-warning-rgb);
}

.course-card.completed-card .progress-bar {
    background: linear-gradient(90deg, var(--color-warning-light), var(--color-warning-dark));
}

.badge-overlay {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--color-warning);
    color: var(--color-blanco);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 800; 
    box-shadow: 0 2px 5px var(--sombra-suave);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-overlay i {
    color: var(--color-offwhite);
}

/* --- FILTRADO MIS CURSOS --- */
.section-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: rem; 
    margin-bottom: 5px; 
    margin-right: 68px;
    flex-wrap: wrap; 
    gap: 5px;
}

.filters-chip-group {
    display: flex;
    align-items: center;
    gap: 2pxpx;
}

.status-pills {
    display: flex;
    gap: 5px;
}

.chip-btn {
    background: transparent;
    border: 1px solid var(--color-borde-primario); 
    color: var(--color-gray-white); 
    padding: 8px 15px;
    border-radius: 50px; 
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chip-btn:hover {
    background-color: var(--color-gray);
    color: var(--color-blanco);
    border-color: var(--color-vivo);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-vivo) 50%, transparent), 0 0 12px var(--color-vivo);
}

.chip-btn.active {
    background-color: var(--color-vivo); 
    color: var(--color-blanco); 
    font-weight: 600;
}

.filter-divider {
    width: 1px;
    height: 24px;
    background-color: var(--color-borde-primario);
    margin: 0 5px;
}

.chip-select-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.chip-select {
    appearance: none;
    -webkit-appearance: none;
    background-color: transparent;
    color: var(--color-gray-white);
    border: 1px solid var(--color-borde-primario);
    padding: 8px 50px 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: border 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    min-width: 160px;
    outline: none;
    transition: all 0.3s ease;
    min-width:100px;
}

.chip-select:hover {
    border-color: var(--color-vivo); 
    background-color: rgba(0, 123, 255, 0.05); 
    color: var(--color-blanco);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-vivo) 50%, transparent), 0 0 12px var(--color-vivo);
}

.chip-select:focus {
    border-color: var(--color-vivo);
    background-color: var(--color-fondo);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-vivo) 50%, transparent), 0 0 16px var(--color-vivo);
}

.arrow-icon {
    position: absolute;
    right: 14px;
    color: var(--color-gray-white);
    pointer-events: none;
    font-size: 0.75rem;
    transition: color 0.3s ease;
}

.chip-select:hover + .arrow-icon {
    color: var(--color-vivo);
}

.chip-select option {
    background-color: var(--color-fondo); 
    color:var(--color-texto);
    padding: 10px;
}


/* ==========================================================================
   6. ESTILOS DE MODALES (LOGIN, REGISTRO, ETC.)
   ========================================================================== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 25, 47, 0.85); 
    background: rgba(0, 0, 0, 0.7); 
    backdrop-filter: blur(5px); 
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    background: var(--color-superficie);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 20px var(--sombra-fuerte);
    width: 90%;
    max-width: 420px;
    position: relative;
    border: 1px solid var(--color-borde-primario);
}



.modal-content p {
    text-align: center;
    margin-top: 1rem;
}


/*CABECERA, LOGO Y BOTÓN DE CIERRE*/

.modal-content .close-btn {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 1.8rem;
    color: var(--color-texto-secundario);
    cursor: pointer;
    transition: all 0.2s ease;
}

.modal-content .close-btn:hover {
    color: var(--color-acento) !important;
}

.modal-content h2 {
    font-family: var(--fuente-titulos);
    text-align: center;
    color: var(--color-texto);
    margin-top: 0;
    margin-bottom: 1.5rem;
}

.modal-logo {
    display: block;
    margin: 0 auto 1.5rem auto;
    height: 50px;
}


/* FORMULARIOS E INPUTS  */

.modal-content form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-texto-secundario);
}

.modal-content form input {
    width: 100%;
    padding: 0.9rem 1.5rem;
    line-height: 1.2;
    margin-bottom: 0.25rem;
    border: 1px solid var(--color-borde-primario);
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    outline: none;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.modal-content form input:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 0 4px var(--sombra-azul);
    background-color: var(--color-superficie);
}

.modal-content form input.error {
    border-color: var(--color-danger);
    background-color: rgba(231, 76, 60, 0.05);
}

.password-input-container {
    position: relative;
    margin-bottom: 0.25rem;
}

.modal-content .password-input-container input {
    padding-right: 3rem; /* Espacio para el icono */
    margin-bottom: 0;
}

.password-input-container i {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--color-texto-secundario);
    transition: color 0.2s ease;
}

.password-input-container i:hover {
    color: var(--color-acento) !important;
}

.form-step {
    display: none;
    flex-direction: column;
}

.form-step.active {
    display: flex;
}


/*BOTONES (PRINCIPALES Y SECUNDARIOS) */

.login-submit-btn {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding: 12px 20px;
    line-height: 1.2;
    border-radius: 7px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    margin-top: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-acento);
    color: var(--color-fondo);
    border: 2px solid var(--color-acento);
    transition: all 0.3s ease;
}

.login-submit-btn:hover {
    color: var(--color-acento);
    background-color: color-mix(in srgb, var(--color-acento), transparent 85%);
}

.btn-secondary {
    width: 100%;
    padding: calc(0.9rem - 1px) 1.5rem;
    line-height: 1.2;
    border: 1px solid var(--color-borde-primario);
    background-color: transparent;
    border-radius: 5px;
    color: var(--color-texto-principal);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary:hover {
    background-color: var(--color-fondo-secundario);
    color: var(--color-texto-principal);
    border-color: var(--color-fondo-secundario);
}

.form-navigation {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.form-navigation .login-submit-btn,
.form-navigation .btn-secondary {
    flex: 1;
    margin: 0;
    width: auto;
}


/*ENLACES Y NAVEGACIÓN */

.form-options {
    text-align: right;
    margin-bottom: 1.5rem;
    font-size: 0.9em;
}

#forgot-password-link {
    color: var(--color-texto-secundario);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

#forgot-password-link:hover {
    color: var(--color-acento);
    text-decoration: underline;
}

#show-register-modal,
#show-login-modal,
#back-to-login-link,
.correction-link {
    color: var(--color-acento);
    text-decoration: none;
    font-weight: 700;
    position: relative;
    transition: color 0.3s ease;
    cursor: pointer;
}

#show-register-modal::after,
#show-login-modal::after,
#back-to-login-link::after,
.correction-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background-color: var(--color-acento);
    transition: width 0.3s ease;
}

#show-register-modal:hover::after,
#show-login-modal:hover::after,
#back-to-login-link:hover::after,
.correction-link:hover::after {
    width: 100%;
}

.correction-wrapper {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--color-texto-secundario);
    font-size: 1rem;
}


/*MENSAJES DE ERROR Y ANIMACIONES */
#login-error-msg,
.error-message {
    display: none;
    color: var(--color-danger);
    font-size: 0.85rem;
    font-weight: 500;
    text-align: left;
    padding: 0.5rem;
    background-color: var(--bg-error-dark);
    border: 1px solid var(--borde-error-dark);
    border-radius: 4px;
    margin-bottom: 1rem;
}

#login-error-msg {
    text-align: center;
}

#login-error-msg.active,
.error-message.active {
    display: block;
}

/* Animación Shake (Vibración) para errores */
@keyframes shake {
    10%, 90% { transform: translate3d(-1px, 0, 0); }
    20%, 80% { transform: translate3d(2px, 0, 0); }
    30%, 50%, 70% { transform: translate3d(-3px, 0, 0); }
    40%, 60% { transform: translate3d(3px, 0, 0); }
}

#login-error-msg.shake,
.error-message.shake {
    animation: shake 0.6s cubic-bezier(.36, .07, .19, .97) both;
}

/* PANTALLAS DE ÉXITO  */
#reg-step-success,
#forgot-view-success {
    text-align: center;
    padding: 0;
    flex-direction: column;
    align-items: center;
}

#reg-step-success {
    display: none; /
}
#reg-step-success.active {
    display: flex; /
}

#forgot-view-success[style*="block"] {
    display: flex !important;
}

#forgot-view-success .modal-logo {
    height: 40px;
    margin-bottom: 0.5rem;
}

/* Icono */
#reg-step-success .success-icon,
#forgot-view-success .success-icon {
    font-size: 4rem;
    color: var(--color-primario);
    opacity: 0.9;
    margin-bottom: 0.5rem;
    line-height: 1;
}

#reg-step-success h2,
#forgot-view-success h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.6rem;
    color: var(--color-texto);
}

#reg-step-success p,
#forgot-view-success p {
    font-size: 0.95rem;
    color: var(--color-texto-secundario);
    margin: 0 auto;
    max-width: 100%;
    line-height: 1.4;
}

#reg-step-success .login-submit-btn,
#forgot-view-success .login-submit-btn {
    margin-top: 1.2rem;
    width: 100%;
}

/* MODAL OLVIDÉ CONTRASEÑA */

#forgot-password-modal h2 {
    margin-bottom: 1rem;
}

#forgot-password-modal .modal-description {
    margin-bottom: 1rem;
    color: var(--color-texto-secundario);
    font-size: 1rem;
    line-height: 1.6;
}

#forgot-password-modal form {
    text-align: left;
    display: flex;
    flex-direction: column;
}

#forgot-password-modal input {
    margin-bottom: 1rem;
}

#forgot-password-modal p:last-child {
    margin-top: 1rem;
    margin-bottom: 0;
}

#forgot-password-modal .form-options {
    margin-top: 1.5rem;    
    margin-bottom: 0;      
}



/* --- PANTALLA DE CARGA --- */
.loading-overlay {
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(16, 24, 39, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    pointer-events: none;
}

.loading-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.loading-content {
    text-align: center;
    color: var(--color-blanco);
    width: 300px;
}

.loading-content p {
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.loading-bar {
    width: 100%;
    height: 6px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
    overflow: hidden;
}

.loading-bar-progress {
    width: 0;
    height: 100%;
    background-color: var(--color-primario);
}

.loading-overlay.show .loading-bar-progress {
    animation: fill-bar 1.5s linear forwards;
}

@keyframes fill-bar {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}


/* MODAL DE ELIMINAR CURSO Y ELIMINAR CUENTA */
.confirm-box {
    background-color: var(--color-superficie);
    color: var(--color-texto);
    border: 1px solid var(--color-borde-primario);
    padding: 2rem;
    border-radius: 12px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    box-shadow: 0 15px 40px var(--sombra-fuerte);
    animation: slideUp 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.confirm-box i {
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(255, 193, 7, 0.3));
}

.confirm-box h3 {
    font-family: var(--fuente-titulos);
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
    color: var(--color-texto);
}

.confirm-box p {
    color: var(--color-texto-secundario);
    margin-bottom: 2rem;
    font-size: 1rem;
    line-height: 1.5;
}

.confirm-box p strong {
    color: var(--color-acento);
}

/*BOTONES EXCLUSIVOS DEL MODAL */

.confirm-actions {
    display: flex;
    width: 100%;
    gap: 15px;
    margin-top: 1.5rem;
    box-sizing: border-box;
}

.confirm-actions .btn-modal-cancel,
.confirm-actions .btn-modal-danger {

    flex: 1;
    width: 100%;
    max-width: none;
    min-width: 0;
    display: flex;
    height: 48px;
    align-items: center;
    justify-content: center;
    margin: 0 !important;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    padding: 0;
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.confirm-actions .btn-modal-cancel {
    background-color: transparent;
    color: var(--color-texto);
    border: 1px solid var(--color-borde-primario);
}

.confirm-actions .btn-modal-cancel:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--color-texto);
}

/* Botón CONFIRMAR (ROJO) */
.confirm-actions .btn-modal-danger {
    background-color: var(--color-danger);
    color: var(--color-blanco);
    border: 1px solid transparent;
    border-color: var(--color-danger);
}

.confirm-actions .btn-modal-danger:hover {
    background-color: color-mix(in srgb, var(--color-danger), transparent 85%);
    color: var(--color-danger);
}

.modal-warning-icon {
    color: var(--color-warning);
    font-size: 4rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 2px 5px rgba(255, 193, 7, 0.3));
}


/* ==========================================================================
   7. PÁGINA DE DETALLES DEL CURSO
   ========================================================================== */

.course-detail-container {
    display: flex;
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
    gap: 2rem;
    align-items: flex-start;
}

.course-main-content {
    flex: 3;
}

.course-playlist {
    flex: 1;
    background-color: var(--color-superficie);
    border-radius: 10px;
    padding: 1.5rem;
    height: fit-content;
    border: 1px solid var(--color-borde-primario);
    position: sticky;
    top: 100px;
    display: block !important;
}


.course-title {
    font-family: var(--fuente-titulos);
    font-size: 2.5rem;
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.instructor-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.category-tag {
    background-color: var(--color-primario);
    color: var(--color-blanco);
    padding: 3px 10px;
    border-radius: 5px;
    font-size: 0.9em;
}

.course-description {
    line-height: 1.6;
    color: var(--color-texto-secundario);
    margin-bottom: 1.5rem;
}

button.enroll-trigger-btn {
    background-color: var(--color-acento) !important;
    border: 2px solid var(--color-acento) !important;
    color: var(--color-fondo);
    box-shadow: 0 4px 6px var(--sombra-suave);
    border-radius: 5px;
    font-weight: 700;
    font-size: 1.1rem;
    padding: 12px 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-transform: none;
}

button.enroll-trigger-btn:hover {
    color: var(--color-acento) !important;
    border-color: var(--color-acento) !important;
    background-color: color-mix(in srgb, var(--color-acento), transparent 85%) !important;
}

/* --- Reproductor de Video (Contenedor) --- */
.video-player-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 10px;
    margin-top: 2rem;
    background-color: var(--color-black);
}

.video-player-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 10px;
}

/* --- Playlist --- */
.playlist-header {
    margin-bottom: 1rem;
}

.playlist-header h3 {
    margin-bottom: 0;
}

#video-playlist {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 400px;
    overflow-y: auto;
    height: 400px; /* O el tamaño que desees, o flex: 1 */
    overflow-y: auto; /* IMPORTANTE: Esto habilita el scroll interno */
    position: relative; /* Ayuda a la estabilidad visual */
}

.playlist-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border: 1px solid transparent;
}

.playlist-item:hover {
    background-color: var(--color-fondo-secundario);
}

.playlist-item.active {
    background-color: var(--color-primario-transparente);
    border-color: var(--color-primario);
}

.playlist-thumbnail {
    width: 100px;
    height: 56px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.playlist-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-texto-principal);
    line-height: 1.3;
}

/* Playlist bloqueada */
.playlist-locked {
    opacity: 0.5;
    filter: grayscale(100%);
    user-select: none;
    cursor: not-allowed;
    background-color: rgba(0, 0, 0, 0.02);
}

.preview-block {
    background-color: var(--color-superficie);
    border: 2px dashed var(--color-borde-primario);
    border-radius: 10px;
    padding: 4rem 2rem;
    text-align: center;
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    min-height: 400px;
}

.preview-block i {
    font-size: 4rem;
    color: var(--color-texto-secundario);
    opacity: 0.5;
    margin-bottom: 0.5rem;
}

.preview-block h2 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--color-texto-principal);
}

.preview-block p {
    color: var(--color-texto-secundario);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.5;
}

/*MODAL CONFIRMAR INSCRIPCION*/


.modal-container.success-modal-content {
    background: var(--color-superficie);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    max-width: 400px;
    width: 90%;
    border: 1px solid var(--color-borde-primario);
    box-shadow: 0 10px 30px var(--sombra-fuerte);
    animation: slideDown 0.3s ease;
}

.success-icon-circle {
    width: 80px;
    height: 80px;
    background-color: rgba(34, 197, 94, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
}

.success-icon-circle i {
    font-size: 2.5rem;
    color: var(--color-success);
}

.success-modal-content h2 {
    color: var(--color-texto);
    margin-bottom: 0.5rem;
}

.success-modal-content p {
    color: var(--color-texto-secundario);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

@keyframes slideDown {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }

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


/*   PROGRERSO DEL CURSO */
#course-tools-wrapper {
    margin-top: 25px;
    width: 100%;
    animation: fadeIn 0.5s ease-in-out;
}

.progress-container {
    background-color: var(--color-superficie);
    padding: 15px 20px;
    border-radius: 10px;
    border: 1px solid var(--color-borde-primario);
    box-shadow: 0 2px 8px var(--sombra-fuerte);
    margin-bottom: 20px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-texto);
}

.progress-percentage {
    color: var(--color-texto-principal);
}

.progress-track {
    width: 100%;
    height: 12px;
    background-color: var(--color-blanco);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background-color: var(--color-primario);
    border-radius: 6px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}


/*    CHECKBOX EN PLAYLIST*/
.playlist-action {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-left: 10px;
}

.playlist-checkbox {
    width: 22px;
    height: 22px;
    cursor: pointer;
    accent-color: var(--color-acento); 
    transition: transform 0.2s;
}

.playlist-checkbox:hover {
    transform: scale(1.1);
}

.playlist-info {
    padding-right: 10px;
}


/*Tarjeta de Certificado*/
.certificate-card {
    margin-top: 30px;
    padding: 40px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    color: var(--color-fondo);
    text-align: center;
    box-shadow: 0 10px 30px rgba(118, 75, 162, 0.4);
    animation: fadeInUp 0.6s ease-out;
}

.certificate-icon {
    font-size: 3.5rem;
    margin-bottom: 15px;
    color: var(--color-dorado);
    text-shadow: 0 2px 10px var(--sombra-suave);
}

.certificate-content h2 {
    margin: 0 0 10px 0;
    font-size: 1.6rem;
    font-weight: 800;
}

.certificate-content p {
    margin: 0 0 25px 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

.btn-download-certificate {
    padding: 12px 35px;
    background: white;
    color: #764ba2;
    border: none;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: 0 4px 15px var(--sombra-suave);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    /* Espacio entre icono y texto */
}

.btn-download-certificate:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px var(--sombra-suave);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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


/* MODAL DE CONFIRMACIÓN AL INSCRIBIRSE*/
.modal-container.confirmation-style {
    text-align: center;
    padding: 2.5rem;
    max-width: 480px;
    width: 90%;
    border-radius: 16px;
    background: var(--color-fondo);
    box-shadow: 0 10px 30px var(--sombra-suave);
    animation: popIn 0.3s ease-out;
}

.modal-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem auto;
    background-color: var(--color-fondo-secundario);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-icon-wrapper i {
    font-size: 4rem;
    color: var(--color-primario);
}

.modal-container h2 {
    color: var(--color-texto-principal);
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.modal-subtitle {
    color: var(--color-texto-secundario);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.course-highlight-title {
    color: var(--color-primario);
    font-size: 1.3rem;
    background-color: rgba(0, 0, 0, 0.03);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: inline-block;
    margin: 0.5rem 0 1.5rem 0;
    border: 1px dashed var(--color-borde-primario);
}

.modal-text {
    color: var(--color-texto-secundario);
    margin-bottom: 2rem;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.modal-btn {
    padding: 1rem 2rem;
    border-radius: 5px;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    flex: 1;
    border: 2px solid var(--color-acento);
}

.modal-btn.btn-primary {
    background-color: var(--color-acento);
    color: var(--color-fondo);
    box-shadow: 0 4px 10px var(--sombra-suave);
}

.modal-btn.btn-primary:hover {
    color: var(--color-acento);
    background-color: color-mix(in srgb, var(--color-acento), transparent 85%) !important;
}

.modal-btn.btn-secondary {
    background-color: transparent;
    color: var(--color-texto);
    border: 1px solid var(--color-borde-primario);

}

.modal-btn.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--color-texto);
}

@keyframes popIn {
    0% {
        transform: scale(0.9);
        opacity: 0;
    }

    100% {
        transform: scale(1);
        opacity: 1;
    }
}



/* Vista Bloqueado / Inscrito */
.preview-block {
    background-color: var(--color-superficie);
    border: 2px dashed var(--color-borde-primario);
    border-radius: 10px;
    padding: 3rem;
    text-align: center;
    margin-top: 2rem;
}

.preview-block .fa-lock {
    font-size: 3rem;
    color: var(--color-texto-secundario);
    margin-bottom: 1rem;
}

.preview-block h2 {
    font-family: var(--fuente-titulos);
    font-size: 1.8rem;
}

.enroll-button-main {
    background-color: var(--color-btn-add);
    color: var(--color-fondo);
    padding: 1rem 2.5rem;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    border: none;
    margin-top: 1rem;
    transition: opacity 0.3s ease;
}

.enroll-button-main:hover {
    opacity: 0.85;
}

.vista-publica .enrolled-content {
    display: none;
}

.vista-inscrito .preview-block {
    display: none;
}

.vista-inscrito .enroll-button {
    display: none;
}

/* ==========================================================================
   12. PIE DE PÁGINA (FOOTER)
   ========================================================================== */

.main-footer {
    background-color: #020c1b;
    color: var(--color-texto-secundario);
    padding-top: 3rem;
    margin-top: 4rem;
}

.footer-container {
    display: flex;
    justify-content: center;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 2rem;
    gap: 5rem;
}

.footer-column {
    width: fit-content;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;

}

.footer-column h3 {
    font-family: var(--fuente-titulos);
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--color-texto);
}

.footer-column h4 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-acento);
    padding-bottom: 0.5rem;
    display: inline-block;
    color: var(--color-texto);
}

.footer-column a,
.footer-column p {
    color: var(--color-texto-secundario);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
    max-width: 400px;
    line-height: 1.5;
    font-size: 1rem;
}

.footer-column a:hover {
    color: var(--color-primario);
}

.social-icons {
    display: flex;
    justify-content: flex-start;
    gap: 1rem;
    width: 100%;
}

.social-icons a {
    display: inline-block;
    margin: 0;
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
    background-color: rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   13. PÁGINAS ESTÁTICAS (SOBRE NOSOTROS, LEGAL, ETC.)
   ========================================================================== */

.static-page-container {
    background-color: var(--color-superficie);
    padding: 2.5rem;
    border-radius: 10px;
    border: 1px solid var(--color-borde-primario);
    max-width: 800px;
    margin: 2rem auto;
}

.static-page-container h1 {
    font-family: var(--fuente-titulos);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-acento);

}

.static-page-container h2 {
    font-family: var(--fuente-titulos);
    font-size: 1.8rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--color-texto-secundario);
    padding-bottom: 0.5rem;

}

.static-page-container p {
    line-height: 1.8;
    color: var(--color-texto-secundario);
    margin-bottom: 1rem;
}

.static-page-container ul {
    list-style-position: inside;
    margin-left: 1rem;
    margin-bottom: 1rem;
    color: var(--color-texto-secundario);
}

.static-page-container li {
    margin-bottom: 0.5rem;
}

.content-section {
    scroll-margin-top: 80px;
}

.content-section:not(:last-child) {
    margin-bottom: 4rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-borde-primario);
}

/* ==========================================================================
   14. PÁGINA DE CONFIGURACIÓN (configuracion.html)
   ========================================================================== */

.settings-header {
    background-color: var(--color-superficie);
    padding: 2rem;
    border-radius: 10px;
    width: 95%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
    border: 1px solid var(--color-borde-primario);
    box-sizing: border-box;
}

.settings-header h1 {
    font-family: var(--fuente-titulos);
    font-size: 2rem;
    color: var(--color-texto);
    margin-bottom: 0.5rem;
}

.settings-header p {
    color: var(--color-texto-secundario);
    font-size: 1rem;
}

.settings-container {
    display: flex;
    gap: 2rem;
    background-color: var(--color-superficie);
    border: 1px solid var(--color-borde-primario);
    border-radius: 10px;
    padding: 1.5rem;
}

/* Menú de Navegación Izquierdo (Las Pestañas) */
.settings-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-right: 1px solid var(--color-borde-primario);
    padding-right: 1.5rem;
}

.settings-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1rem;
    border-radius: 5px;
    color: var(--color-texto-secundario);
    font-weight: 500;
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}

.settings-nav-item i {
    width: 20px;
    text-align: center;
}

.settings-nav-item:hover {
    background-color: var(--color-fondo);
    color: var(--color-texto);
}

.settings-nav-item.active {
    background-color: var(--color-acento);
    color: var(--color-fondo);
}

.settings-nav-item.active i {
    color: var(--color-fondo);
}

.form-actions {
    display: flex;
    margin-top: 2rem;
    border-top: 1px solid var(--color-borde-primario);
    padding-top: 1.5rem;
    gap: 1rem;
    justify-content: center;
}

#profile-form .form-actions {
    display: none;
}

.settings-content {
    flex: 3;
}

.settings-tab {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

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

.settings-tab.active {
    display: block;
}

#security-edit-mode {
    display: none;
}

.settings-tab.editing-password #security-view-mode {
    display: none;
}

.settings-tab.editing-password #security-edit-mode {
    display: block;
}

.settings-tab h2 {
    font-family: var(--fuente-titulos);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--color-texto);
}

.settings-tab h3 {
    font-family: var(--fuente-titulos);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--color-texto);
    margin-top: 0;
}

.settings-tab p {
    color: var(--color-texto-secundario);
    margin-bottom: 1.5rem;
}

#security-view-mode p,
#step-verify-current p,
#step-change-password p {
    color: var(--color-texto-secundario);
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

#tab-perfil>p {
    color: var(--color-texto-secundario);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    margin-top: -1rem;
}

#btn-edit-profile {
    margin-bottom: 1.5rem;
}

.settings-tab label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-texto-secundario);
}

/*  AVATAR */
.hidden {
    display: none !important;
}

.header-avatar-img {
    width: 1000rem !important;
    height: 100% !important;
    object-fit: cover !important; 
    border-radius: 50%;
    display: block !important;
}

/* BOTONES FLOTANTES*/
.avatar-upload-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
    margin-top: 1rem; 
}

.confirmar-btn.btn-save-custom {
    margin-bottom: 45rem;
}

.avatar-wrapper {
    position: relative;
    width: 160px;  
    height: 160px;
    margin: auto auto;
}

.avatar-wrapper img {
    width: 100%;
    height: 100% ;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--color-primario);
    box-shadow: 0 4px 10px var(--sombra-suave);
}

/* --- ESTILOS BASE DE LOS BOTONES --- */
.avatar-edit-btn,
.avatar-delete-btn {
    position: absolute;
    bottom: 0; 
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s;
    box-shadow: 0 2px 5px var(--sombra-fuerte);
    z-index: 10;
    backface-visibility: hidden;       
    -webkit-font-smoothing: antialiased;
    transform: translateZ(0);         
    will-change: transform;           
    transition: transform 0.2s ease-out;
}

.avatar-edit-btn {
    right: 2px;
    background-color: var(--color-acento);
    color: var(--color-fondo); 
}

.avatar-delete-btn {
    color: var(--color-blanco);
    left: 2px;
    background-color: var(--color-danger); 
}

.avatar-edit-btn:hover,
.avatar-delete-btn:hover {
    transform: scale(1.1) translateZ(0); 
}

.avatar-edit-btn i {
    transform: translate(0px, 0px); 
    font-size: 17px; 
    line-height: 0;
}

.avatar-delete-btn i {
    font-size: 15px; 
    line-height: 0;
}


.avatar-help-text {
    font-size: 0.8rem;
    color: var(--color-texto-secundario);
    margin-top: 10px;
    text-align: center;
}

.btn-save-custom {
    margin-top: 1rem;
    background-color: var(--color-acento);
    color: var(--color-fondo);
    border: 2px solid var(--color-acento);
    transition: all 0.3s ease;
    width: 7rem;
    height: 45px;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    margin-top: 2rem;
    cursor: pointer;
    box-sizing: border-box;
    transition: all 0.2s ease;
}
.btn-save-custom:hover {
    background-color: color-mix(in srgb, var(--color-acento), transparent 85%) !important;
    color: var(--color-acento);
    border-color: var(--color-acento);
}

.btn-save-custom:disabled {
    background-color: var(--color-gray-dark) !important; 
    color: var(--color-texto) !important; 
    cursor: not-allowed !important; 
    opacity: 0.7 !important;
    border-color: var(--color-gray-dark);
    box-shadow: none !important;
    filter: none !important;
    cursor:not-allowed
}

/*MODALES DE FOTO Y CROPPER  */

.camera-modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.camera-modal-content {
    background: var(--color-superficie);
    padding: 25px;
    border-radius: 16px;
    text-align: center;
    width: 90%;
    max-width: 500px; 
    border: 1px solid var(--color-borde-primario);
    box-shadow: 0 10px 30px var(--sombra-fuerte);
    animation: modalFadeIn 0.3s ease-out;
}

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

.modal-compact {
    max-width: 400px;
}

.modal-description {
    margin-bottom: 25px;
    color: var(--color-texto-secundario);
}

/* OPCIONES DE SELECCIÓN */
.avatar-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.option-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-borde-primario);
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--color-texto);
}

.option-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-acento);
    transform: translateY(-3px);
}

.icon-circle {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-fondo);
}

.icon-circle.upload { background-color: var(--color-primario); } 
.icon-circle.camera { background-color: var(--color-acento); } 

.btn-full-width { width: 100%; }
.margin-top-md { margin-top: 15px; }

/*ESTILOS ESPECÍFICOS (CÁMARA Y CROPPER IGUALES)*/

/* 1. MODAL CÁMARA */
.camera-modal-content.camera-mode {
    width: 95%;
    max-width: 450px; 
    padding: 20px;
    margin: 0 auto;
}

.camera-viewport {
    width: 100%;
    height: 350px; 
    background: var(--color-black);
    margin: 20px 0;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 0 20px var(--sombra-fuerte);
    border: 1px solid rgba(255,255,255,0.1);
}

#camera-stream {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: scaleX(-1);
}

.camera-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    width: 100%;
}

/* 2. MODAL RECORTADOR (CROPPER) */
.camera-modal-content.crop-mode {
    width: 95%;
    max-width: 480px; 
    padding: 20px;
    margin: 0 auto;
}

.img-crop-container {
    width: 100%;
    height: 350px; 
    background-color: var(--color-black);
    margin-bottom: 20px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 0 20px var(--sombra-fuerte);
    border: 1px solid rgba(255,255,255,0.1);
}

#image-to-crop {
    display: block;
    max-width: 100%;
    max-height: 100%;
}

.crop-controls-bar {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-bottom: 20px;
    background: var(--color-superficie-clara);
    padding: 8px 15px;
    border-radius: 50px;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

/* 3. ELEMENTOS COMUNES */
.btn-icon-control {
    width: 38px; 
    height: 38px;
    font-size: 14px;
    border-radius: 50%;
    border: none;
    background: var(--color-fondo);
    color: var(--color-texto);
    cursor: pointer;
    box-shadow: 0 2px 5px var(--sombra-suave);
    transition: 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.btn-icon-control:hover {
    background: var(--color-vivo);
    color: var(--color-blanco);
    transform: translateY(-2px);
}

.form-actions-center {
    display: flex;
    justify-content: center;
    gap: 15px;
    width: 100%;
}

/* --- INPUTS Y CONTRASEÑAS --- */
.settings-tab input {
    width: 100%;
    padding: 0.9rem 1.5rem;
    line-height: 1.2;
    margin-bottom: 0.25rem;
    border: 1px solid var(--color-borde-primario);
    border-radius: 5px;
    font-size: 1rem;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    box-sizing: border-box;
}

.settings-tab input:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 0 0 0 4px var(--sombra-azul);

}

.password-input-container {
    position: relative;
    width: 100%;
    margin-bottom: 1rem;
}

.password-input-container input {
    padding-right: 3rem;
    margin-bottom: 0;
}

.password-input-container i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-texto-secundario);
    cursor: pointer;
    font-size: 1rem;
    z-index: 2;
    transition: color 0.2s;
}

.password-input-container i:hover {
    color: var(--color-texto);
}


/* --- BOTONES --- */
.btn-danger {
    display: inline-flex;
    padding: calc(0.9rem - 1px) 1.5rem;
    line-height: 1.2;
    border: 1px solid var(--color-danger);
    background-color: transparent;
    border-radius: 5px;
    height: 50px;
    color: var(--color-danger);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 1rem;
}

.btn-danger:hover {
    background-color: var(--color-danger);
    color: var(--color-blanco);
}

main#settings-page .settings-header,
main#settings-page .settings-container {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn-secundario,
.confirmar-btn {
    flex: 1;
    width: 100%;
    max-width: none;
    min-width: 0;
    display: flex;
    height: 50px;
    align-items: center;
    justify-content: center;
    margin: 0 !important;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    padding: 0;
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.confirmar-btn:disabled {
    background-color:var(--color-gray-dark) !important; 
    color:var(--color-texto) !important; 
    cursor: not-allowed !important; 
    opacity: 0.7 !important; 
    border-color: var(--color-gray-dark);
    box-shadow: none !important;
    transform: none !important;
    filter: none !important;
    cursor:not-allowed;
}
.confirmar-btn:disabled:hover {
    background-color: var(--color-gray-dark) !important; 
    color: var(--color-texto) !important;
    transform: none !important; 
    box-shadow: none !important; 
    cursor: not-allowed !important; 
    border-color:var(--color-gray-dark);
}
.btn-secundario {
    background-color: transparent;
    color: var(--color-texto);
    border: 1px solid var(--color-borde-primario);
}

.btn-secundario:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--color-texto);
}

.confirmar-btn {
    background-color: var(--color-acento);
    color: var(--color-fondo);
    border: 2px solid var(--color-acento);
    transition: all 0.3s ease;
}

.confirmar-btn:hover {
    background-color: color-mix(in srgb, var(--color-acento), transparent 85%) !important;
    color: var(--color-acento);
    border-color: var(--color-acento);
}

.btn-editar {
    background-color: transparent;
    color: var(--color-texto);
    border: 1px solid var(--color-borde-primario);
    border-radius: 6px;
    cursor: pointer;
    height: 50px;
    font-weight: 600;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    width: auto;
    min-width: 130px;
    margin-bottom: 1.5rem;
}

.btn-editar:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--color-texto);
}

.btn-editar i {
    font-size: 0.9rem;
}

#result-icon-container {
    margin-bottom: 1.5rem;
}

.confirm-actions.single-col {
    grid-template-columns: 1fr;
}

.btn-modal-success {
    width: 100%;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-acento);
    color: var(--color-fondo);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 4px 10px var(--sombra-suave);
    border: 2px solid var(--color-acento);
    transition: all 0.3s ease;
}

.btn-modal-success:hover {
    background-color: color-mix(in srgb, var(--color-acento), transparent 85%) !important;
    color: var(--color-acento);
    border-color: var(--color-acento);
}

/* ==========================================================================
   ESTILOS PÁGINA DE VERIFICACIÓN (Adaptado a Tema Virtual+)
   ========================================================================== */

/* Contenedor Principal */
.verify-main-container {
    display: flex;
    justify-content: center;
    align-items: center;
    display: flex;
    width: 100% ;
    padding: 40px 20px;
    background-position: center;
    position: relative;
}

/* Capa oscura sobre el fondo (Overlay) */
.verify-overlay {
    position: absolute;
    top: 0; left: 0; 
    width: 100%; height: 100%;
    background: rgba(10, 25, 47, 0.85); 
    backdrop-filter: blur(5px);
    z-index: 1;
}

/* Tarjeta de Verificación */
.verify-card {
    position: relative;
    z-index: 2;
    margin-top: 5rem;
    margin-bottom: auto;
    background-color: var(--color-superficie); 
    border: 1px solid var(--color-borde-primario);
    width: 100%;
    max-width: 500px;
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--sombra-fuerte);
    text-align: center;
    border-top: 4px solid var(--color-primario); 
}

.verify-logo {
    height: 60px;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.verify-card h2 {
    color: var(--color-texto); 
    margin-bottom: 10px;
    font-family: var(--fuente-titulos);
}

.verify-card p {
    color: var(--color-texto-secundario); 
    margin-bottom: 25px;
    font-size: 0.95rem;
}

/* Formulario */
.search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.input-code {
    flex: 1;
    padding: 12px 15px;
    background-color: var(--color-superficie-clara); /* Un poco más claro que el fondo */
    border: 1px solid var(--color-borde-primario);
    color: var(--color-texto); /* Texto Cyan */
    border-radius: 4px;
    font-size: 16px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    outline: none;
    transition: all 0.3s ease;
}

.input-code:focus {
    border-color: var(--color-primario);
    box-shadow: 0 0 8px var(--color-vivo);
}

.btn-check {
    padding: 12px 25px;
    background-color: var(--color-acento); 
    border: 2px solid var(--color-acento);
    box-shadow: 0 4px 6px var(--color-vivo);    color: var(--color-fondo);
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    font-family: var(--fuente-cuerpo);
}

.btn-check:hover {
    background-color: color-mix(in srgb, var(--color-acento), transparent 85%) !important;
    color: var(--color-acento);
}

.btn-check:disabled, .input-code:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

/* Spinner */
#loading {
    margin: 20px 0;
    color: var(--color-acento);
    text-align: center;
}

/* Resultados (Cajas) */
.result-box {
    margin-top: 25px;
    padding: 20px;
    border-radius: 8px;
    text-align: left;
    display: none;
    animation: fadeIn 0.4s ease-out;
}

/* ÉXITO (Verde oscuro) */
.status-valid {
    background-color: var(--bg-exito-dark);
    border: 1px solid var(--borde-exito-dark);
    color: var(--color-success);
    text-align: center;
}

.status-valid i {
    color: var(--color-success);
    margin-bottom: 10px;
}

/* ERROR (Rojo oscuro) */
.status-invalid {
    background-color: var(--bg-error-dark);
    border: 1px solid var(--borde-error-dark);
    color: var(--color-danger);
    text-align: center;
}

.status-invalid i {
    color: var(--color-danger);
    margin-bottom: 10px;
}

/* Tabla de Datos del Certificado */
.cert-data {
    margin-top: 15px;
    background-color: rgba(255, 255, 255, 0.03); /* Muy sutil */
    padding: 15px;
    border-radius: 6px;
    text-align: left;
    border: 1px solid var(--color-borde-primario);
}

.cert-data p {
    margin: 8px 0;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-borde-primario);
    color: var(--color-texto);
    font-size: 0.95rem;
    display: flex;
    justify-content: space-between;
}

.cert-data p:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.cert-data .label {
    font-weight: bold;
    color: var(--color-acento); /* Etiquetas en Cyan */
    margin-right: 10px;
}

.cert-data strong {
    color: var(--color-blanco);
}

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

/* Responsive */
@media (max-width: 600px) {
    .verify-main-container {
        padding: 20px;
    }
    .search-box {
        flex-direction: column;
    }
    .btn-check {
        width: 100%;
    }
}

/* ==========================================================================
   ESTILOS MIS CERTIFICADOS (Versión Grande y Flexible)
   ========================================================================== */

/* 1. LAYOUT GENERAL */
.certs-container {
    padding: 4rem 0;
    min-height: 80vh;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

.page-header {
    margin-bottom: 4rem;
    text-align: center;
}

.section-title {
    font-family: var(--fuente-titulos);
    color: var(--color-texto);
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--color-texto-secundario);
    font-size: 1.1rem;
}

/* 2. GRILLA (Ajustada para tarjetas anchas) */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr)); 
    gap: 3rem; 
    padding-bottom: 3rem;
}

/* Carrusel dedicado para certificados (aislado de cursos) */
.carousel-cert-wrapper {
    position: relative;
    width: 100%;
    padding: 0 6px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-cert-track {
    display: flex !important;
    gap: 22px;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 18px 8px 30px 8px;
    scrollbar-width: none;
    -ms-overflow-style: none;
    align-items: stretch;
    scroll-snap-type: x mandatory;
    scroll-padding: 10px;
    width: 100%;
}

.carousel-cert-track::-webkit-scrollbar {
    display: none;
}

/* Tamaños consistentes para las tarjetas dentro del carrusel */
.carousel-cert-track .cert-diploma-card {
    flex: 0 0 min(90vw, 440px);
    max-width: 440px;
    min-width: 340px;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

.carousel-cert-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%) translateZ(0);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #4b5563;
    border: 1px solid #374151;
    color: #f9fafb;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.28);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.25s ease, box-shadow 0.25s ease, color 0.25s ease, transform 0.2s ease-out;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
    will-change: transform;
    z-index: 100;
}

.carousel-cert-arrow i {
    margin-top: 0;
    line-height: 1;
}

.carousel-cert-arrow:hover {
    background-color: var(--color-vivo);
    color: #f9fafb;
    transform: translateY(-50%) scale(1.06) translateZ(0);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.35);
    border-color: #111827;
}

.carousel-cert-prev { left: -20px; }
.carousel-cert-next { right: -20px; }

/* Ajuste: evitar que las flechas queden cortadas en resoluciones menores a 1920x1080 */
@media (max-width: 1919px) {
    .carousel-cert-wrapper {
        padding: 0 24px; /* deja espacio interno para las flechas */
        overflow: visible; /* asegura que las flechas no se recorten */
    }
    .carousel-cert-prev { left: 8px; }
    .carousel-cert-next { right: 8px; }
}

@media (max-width: 768px) {
    .carousel-cert-wrapper {
        padding: 0 12px;
        justify-content: center;
    }

    .carousel-cert-arrow {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        top: 50%;
        background-color: rgba(0, 0, 0, 0.35);
        border: none;
        color: #f9fafb;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(2px);
        transition: none !important;
        transform: none !important;
    }

    .carousel-cert-arrow:hover,
    .carousel-cert-arrow:active {
        background-color: rgba(0, 0, 0, 0.35);
        border: none;
        color: #f9fafb;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        transform: none;
    }

    .carousel-cert-arrow i {
        color: inherit !important;
    }

    .carousel-cert-prev { left: 24px; }
    .carousel-cert-next { right: 24px; }

    .carousel-cert-track {
        padding: 12px;
        scroll-padding: 12px;
        gap: 8px;
    }

    .carousel-cert-track .cert-diploma-card {
        flex: 0 0 100%;
        max-width: 100%;
        min-width: 100%;
        scroll-snap-align: center;
        scroll-snap-stop: always;
        transition: none !important;
    }

    .cert-diploma-card,
    .cert-diploma-card:hover,
    .cert-diploma-card:active {
        transform: none !important;
        box-shadow: 0 4px 15px var(--sombra-suave) !important;
        border-color: var(--color-borde-primario) !important;
        transition: none !important;
    }
}

.certs-container .empty-state-universal {
    width: 95%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

/* 3. TARJETA DIPLOMA (Estilo Papel Color Hueso) */
.cert-diploma-card {
    background-color: rgba(255, 255, 255, 0.785); 
    border: 1px solid var(--color-borde-primario);
    border-radius: 8px;
    position: relative;
    padding: 50px 30px; 
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 340px; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center; 
    box-shadow: 0 4px 15px var(--sombra-suave);
}

.cert-diploma-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: #bf930d;
}

/* Borde decorativo interno (Marco) */
.cert-deco-border {
    position: absolute;
    top: 15px; left: 15px; right: 15px; bottom: 15px;
    border: 3px double var(--color-fondo); 
    border-radius: 4px;
    pointer-events: none;
    opacity: 0.7; 
}

.cert-deco-border::after {
    content: '';
    position: absolute;
    top: 5px; left: 5px; right: 5px; bottom: 5px;
    border: 1px solid var(--color-superficie-clara);
    border-radius: 2px;
}

.cert-content {
    position: relative;
    z-index: 2;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px; 
}

/* Sello y Check */
.cert-seal {
    position: relative;
    display: inline-block;
    color: #bf930d;
    font-size: 4.5rem; 
    margin-bottom: 10px;
    filter: drop-shadow(0 2px 4px var(--sombra-suave));
}

.cert-check {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.6rem;
    color: rgba(255, 255, 255, 0.785); 
}

/* Textos (Oscuros para contraste) */
.cert-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-texto-terciario); 
    font-weight: bold;
    margin-bottom: 5px;
}

.cert-title {
    font-family: var(--fuente-titulos);
    font-size: 1.8rem;
    color: var(--color-borde-primario); 
    margin: 5px 0 10px 0;
    line-height: 1.3;
    max-width: 95%;
    font-weight: 700; 
}

.cert-date {
    font-size: 0.9rem;
    color: var(--color-texto-terciario); 
    margin-bottom: 25px;
    font-family: 'Times New Roman', serif;
    font-style: italic;
}

/* Botón (Estilo Outline Oscuro/Morado) */
.cert-mini-btn {
    background-color: transparent;
    border: 2px solid var(--color-texto-terciario);
    color: var(--color-texto-terciario);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}

.cert-mini-btn:hover {
    background-color: var(--color-texto-terciario);
    color: var(--color-texto); 
    box-shadow: 0 4px 15px rgba(106, 27, 154, 0.3);
}
/* 4. ESTADOS (Loader y Vacío) */
.loader-container {
    text-align: center;
    color: var(--color-acento);
    font-size: 3rem;
    padding: 4rem;
}

.empty-state-certs {
    text-align: center;
    padding: 6rem 1rem;
    color: var(--color-texto-secundario);
    grid-column: 1 / -1;
}

.empty-state-certs i {
    font-size: 5rem;
    margin-bottom: 2rem;
    opacity: 0.3;
}

.hidden {
    display: none !important;
}

/* Responsive Móvil */
@media (max-width: 768px) {
    .cert-grid {
        grid-template-columns: 1fr; 
        gap: 2rem;
    }
    
    .cert-diploma-card {
        padding: 40px 20px;
        min-height: auto;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* ==========================================================================
   ESTILOS BARRA DE FILTROS
   ========================================================================== */

.filters-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-borde-primario); /* Línea sutil divisoria */
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-group label {
    color: var(--color-texto-terciario);
    font-weight: 600;
    font-size: 0.95rem;
}

/* Select Personalizado tipo pastilla (Mis Certificados) */
.custom-select {
    appearance: none;
    -webkit-appearance: none;
    background-color: transparent;
    color: var(--color-gray-white);
    border: 1px solid var(--color-borde-primario);
    padding: 8px 50px 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    outline: none;
    cursor: pointer;
    transition: border 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease, color 0.3s ease;
    min-width: 160px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23cfd2dc' d='M1.41.59 6 5.17 10.59.59 12 2 6 8 0 2z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 12px;
}

.custom-select option {
    background-color: var(--color-fondo);
    color: var(--color-texto);
}

.custom-select:hover {
    border-color: var(--color-vivo);
    background-color: rgba(0, 123, 255, 0.05);
    color: var(--color-blanco);
    box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--color-vivo) 50%, transparent), 0 0 8px var(--color-vivo);
}

.custom-select:focus {
    border-color: var(--color-vivo);
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-vivo) 40%, transparent), 0 0 6px var(--color-vivo);
}

.results-text {
    color: var(--color-texto-secundario);
    font-size: 0.9rem;
    font-style: italic;
}

/* Ajuste móvil */
@media (max-width: 600px) {
    .filters-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .custom-select {
        width: 100%;
    }
}

/* ==========================================================================
   BANNER DE BIENVENIDA CERTIFICADOS (Prefijo: hero-cert)
   ========================================================================== */

.hero-cert-section {
    background: linear-gradient(135deg, var(--color-superficie), #1a2a44);
    border-radius: 16px;
    padding: 3rem 4rem;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-borde-primario);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

/* Efecto de luz decorativa en el fondo */
.hero-cert-section::before {
    content: '';
    position: absolute;
    top: -50%; right: -10%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(255, 215, 0, 0.1), transparent 70%);
    filter: blur(40px);
    pointer-events: none;
}

.hero-cert-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

/* Textos */
.hero-cert-title {
    font-family: var(--fuente-titulos);
    font-size: 2.2rem;
    color: var(--color-texto);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-cert-title span {
    color: var(--color-acento); /* Nombre del usuario */
}

.hero-cert-subtitle {
    color: var(--color-texto-secundario);
    font-size: 1.1rem;
    max-width: 600px;
}

/* Trofeo Flotante */
.hero-cert-visual {
    position: relative;
}

.hero-cert-trophy {
    font-size: 5rem;
    color: var(--color-dorado);
    animation: floatTrophyCert 4s ease-in-out infinite;
    position: relative;
}

/* Brillo detrás del trofeo */
.hero-cert-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 80px; height: 80px;
    background: var(--color-dorado);
    opacity: 0.3;
    filter: blur(30px);
    z-index: -1;
    border-radius: 50%;
    animation: pulseGlowCert 3s infinite alternate;
}

/* Animaciones (Nombres únicos también para evitar conflictos) */
@keyframes floatTrophyCert {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(5deg); }
}

@keyframes pulseGlowCert {
    from { opacity: 0.2; transform: translate(-50%, -50%) scale(0.8); }
    to { opacity: 0.5; transform: translate(-50%, -50%) scale(1.2); }
}

/* Responsive Móvil */
@media (max-width: 768px) {
    .hero-cert-section {
        padding: 2rem;
        text-align: center;
    }
    .hero-cert-content {
        flex-direction: column-reverse;
    }
    .hero-cert-trophy {
        font-size: 4rem;
        margin-bottom: 1rem;
    }
}

/* ==========================================================================
   15. ESTILOS RESPONSIVOS (MÓVILES Y TABLETS - MAX 768PX)
   ========================================================================== */

@media (max-width: 768px) {

    /* ----------------------------------------------------------
       1. AJUSTES GLOBALES Y ESTRUCTURA
       ---------------------------------------------------------- */
    body {
        font-size: 16px;
    }

    .main-content {
        padding: 1rem;
    }

    #dynamic-catalog-container,
    .content-section {
        scroll-margin-top: 130px;
    }

    /* ----------------------------------------------------------
       2. ENCABEZADO (HEADER) Y BÚSQUEDA
       ---------------------------------------------------------- */
    .main-header {
        flex-wrap: wrap;
        justify-content: space-between;
        padding: 1rem;
        gap: 1rem;
    }

    .logo-container {
        order: 1;
    }

    .main-nav {
        order: 2;
    }

    .search-container {
        width: 100%;
        order: 3;
        margin: 0;
        max-width: none;
        position: relative;
        background-color: transparent;
        border: none;
        padding: 0;
        border-radius: 0;
    }

    .search-input-group {
        width: 100%;
        border-radius: 8px;
        position: relative;
        z-index: 1001;
        overflow: hidden;
        padding: 0;
        display: flex;
        background-color: var(--color-fondo);
        border: 1px solid var(--color-borde-primario);
    }

    .search-icon {
        color: var(--color-texto-secundario);
        padding: 0.75rem 0.8rem;
        margin-right: 0;
        display: flex;
        align-items: center;
    }

    #search-input {
        flex-grow: 1;
        min-width: 50px;
        padding: 0.75rem 0.5rem;
        font-size: 0.95rem;
        border: none;
    }

    .category-filter {
        width: 45px;
        flex-shrink: 0;
        font-size: 0.95rem;
        color: transparent;
        text-indent: -9999px;
        margin-left: 0.5rem;
        border-left: 1px solid var(--color-borde-primario);
        padding: 0;
        background-position: center center;
        background-size: 8px auto;
    }

    .suggestions-list {
        top: calc(100% + 5px);
        border-radius: 8px;
        padding-top: 0;
        z-index: 1000;
        border: 1px solid var(--color-borde-primario);
        margin-top: 0;
    }

    /* ----------------------------------------------------------
       3. SECCIÓN HERO (BIENVENIDA)
       ---------------------------------------------------------- */
    .hero-section {
        padding: 80px 1.5rem;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-section p {
        font-size: 1.1rem;
    }

    .cta-button {
        font-size: 1rem;
        padding: 0.8rem 2rem;
    }

    .slide {
        animation: kenBurnsFadeMobile 18s infinite;
    }

    @keyframes kenBurnsFadeMobile {
        0% {
            opacity: 0;
            transform: scale(1.02);
        }

        10% {
            opacity: 1;
        }

        25% {
            opacity: 1;
            transform: scale(1);
        }

        35% {
            opacity: 0;
            transform: scale(1);
        }

        100% {
            opacity: 0;
        }
    }


/* CURSOS Y MIS CURSOS */

    .course-category h2 {
        font-size: 1.5rem;
        margin-left: 0;
        padding-bottom: 3px;
        margin-bottom: 1.2rem;
        display: inline-block;
    }

    .course-category h2 {
        margin-left: 1rem !important;
        font-size: 1.5rem;
    }

    .carousel-wrapper {
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        position: relative;
        z-index: 1;
        overflow: visible;
    }

    .courses-grid {
        scroll-snap-type: x mandatory;
        gap: 0 !important;
        padding: 0 !important;
    }

    .course-card-link {
        min-width: 100% !important;
        width: 100% !important;
        scroll-snap-align: center;
        padding: 0 10px;
        box-sizing: border-box;
    }

    .carousel-arrow {
        display: flex !important;
        background-color: rgba(0, 0, 0, 0.35) !important;
        border: none !important;
        color: #f9fafb !important;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2) !important;
        width: 40px !important;
        height: 40px !important;
        font-size: 1rem !important;
        border-radius: 50% !important;
        align-items: center !important;
        justify-content: center !important;
        backdrop-filter: blur(2px);
        transform: none !important;
        transition: none !important;
    }

    .carousel-arrow i {
        color: inherit !important;
    }

    .prev-arrow {
        left: 12px !important;
    }

    .next-arrow {
        right: 12px !important;
    }

    .dashboard-header {
        padding: 1.5rem;
        text-align: left;
    }

    .dashboard-header h1 {
        display: block;
        justify-content: left;
        font-size: 1.8rem;
    }

    .dashboard-header h1 i {
        font-size: 2rem;
        width: 100%;
        margin-right: 0.5rem;
    }

    .dashboard-header p {
        font-size: 1rem;
    }

    .user-courses-content h2 {
        font-size: 1.5rem;
        margin-left: 12px;
        margin-top: 2rem;
        margin-bottom: 2rem;
    }

    .course-card:hover,
    .course-card:active,
    .course-card-link:hover .course-card,
    .course-card-link:active .course-card {
        transform: none;
        box-shadow: 0 4px 6px var(--sombra-suave) !important;
    }

    #mis-cursos-grid {
        display: flex !important;
        flex-direction: row !important;
        overflow-x: auto !important;
        gap: 15px;
        padding: 10px 20px;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        width: 100%;
        box-sizing: border-box;
    }

    .course-card-link {
        min-width: 85vw;
        max-width: 85vw;
        scroll-snap-align: center;
        flex: 0 0 auto;
    }

    .course-card img {
        height: 180px;
        object-fit: cover;
    }

    .course-card .remove-course-btn {
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
        position: absolute !important;
        top: 10px;
        right: 10px;
        z-index: 100;
        background-color: var(--color-danger) !important;
        color: white !important;
        border-radius: 50%;
        border: none !important;
        width: 35px;
        height: 35px;
        align-items: center;
        justify-content: center;
        padding: 0;
        margin: 0;
        transform: none !important;
        transition: none !important;
    }
    .section-header-flex {
        flex-direction: column; 
        align-items: flex-start; 
        margin-right: 0; 
        margin-bottom: 20px;   
    }

    
    .filters-chip-group {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 5px;
        overflow-x: auto; 
        -webkit-overflow-scrolling: touch; 
        padding-bottom: 10px; 
        padding-right: 20px; 
        scrollbar-width: none; 
        -ms-overflow-style: none;  
    }

    .filters-chip-group::-webkit-scrollbar {
        display: none;
    }

    .status-pills, 
    .custom-dropdown, 
    .filter-divider {
        flex-shrink: 0; 
    }

    .section-header-flex h2 {
        font-size: 1.4rem; 
        padding-left: 5px; 
        margin-bottom: 10px !important;
    }
    /* ----------------------------------------------------------
       4. PÁGINA DE DETALLE DEL CURSO
       ---------------------------------------------------------- */

    .course-detail-container {
        flex-direction: column;
        padding: 0 1rem;
        align-items: stretch;
    }

    .course-main-content {
        width: 100%;
        flex: none;
    }

    .course-title {
        font-size: 1.8rem;
    }

    .course-main-content {
        display: contents;
    }

    .course-description {
        margin-bottom: 0.5rem;
    }

    .video-player-wrapper {
        order: 1;
        width: 100%;
        margin-bottom: 15px;
        margin-top: 2px;
    }

    .course-playlist {
        width: 100%;
        order: 2;
        flex: none;
        position: static;
        margin-top: 2rem;
        height: auto;
        border-left: none;
    }

    #video-playlist {
        max-height: 300px;
    }

    #course-tools-wrapper {
        order: 3;
        margin-top: 0;
        padding-bottom: 40px;
    }

    /* -------------------------------
       6. PIE DE PÁGINA (FOOTER)
       --------------------------- */
    .footer-container {
        margin-left: 15px;
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .footer-column {
        width: 100%;
    }

    /* ----------------------------------------------------------
       7. MODALES Y PÁGINAS ESTÁTICAS
       ---------------------------------------------------------- */
    .modal-content {
        padding: 1.5rem;
    }

    .static-page-container {
        padding: 1.5rem;
        margin: 1rem;
    }

/* -------------------------------
       8. PÁGINA DE CONFIGURACIÓN
       ---------------------------*/
    main#settings-page .settings-header,
    main#settings-page .settings-container {
        width: 95%;
        padding: 1.2rem;
        gap: 1.5rem;
    }

    .settings-container {
        flex-direction: column;
    }

    .settings-nav {
        display: flex;
        flex-direction: row;
        overflow-x: auto; 
        white-space: nowrap; 
        border-right: none;
        border-bottom: 1px solid var(--color-borde-primario);
        padding-bottom: 10px; 
        padding-right: 0;
        margin-bottom: 1rem;
        gap: 10px;
        scrollbar-width: none; 
        -ms-overflow-style: none;
        padding-bottom: 1rem;
    }

    .settings-tab form .login-submit-btn {
        width: 100%;
    }
}


@media (max-width: 480px) {
    .modal-actions {
        flex-direction: column-reverse;
    }

    .modal-btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .modal-overlay {
        align-items: center;
        justify-content: center;
        overflow-y: auto;
        padding: 24px 12px;
    }

    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* ==========================================================================
   BANNER BIENVENIDA MIS CURSOS (Hero Courses)
   ========================================================================== */

.hero-courses-section {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-radius: 16px;
    padding: 3rem 4rem;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-borde-primario);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.hero-courses-section::before {
    content: '';
    position: absolute;
    top: -50%; right: -10%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(100, 255, 218, 0.1), transparent 70%);
    filter: blur(50px);
    pointer-events: none;
}

.hero-courses-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

.hero-courses-text {
    flex: 1;
}

.hero-courses-title {
    font-family: var(--fuente-titulos);
    font-size: 2.2rem;
    color: var(--color-texto);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-courses-title span {
    color: var(--color-acento); 
}

.hero-courses-subtitle {
    color: var(--color-texto-secundario);
    font-size: 1.1rem;
    max-width: 600px;
}

.hero-courses-visual {
    position: relative;
}

.hero-courses-icon {
    font-size: 5rem;
    color: var(--color-acento);
    animation: floatBook 5s ease-in-out infinite;
    position: relative;
    text-shadow: 0 0 30px rgba(100, 255, 218, 0.2);
}

.hero-courses-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 100px; height: 100px;
    background: var(--color-acento);
    opacity: 0.15;
    filter: blur(40px);
    z-index: -1;
    border-radius: 50%;
    animation: pulseGlowBook 3s infinite alternate;
}

/* Animaciones */
@keyframes floatBook {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(-2deg); }
}

@keyframes pulseGlowBook {
    from { opacity: 0.1; transform: translate(-50%, -50%) scale(0.9); }
    to { opacity: 0.3; transform: translate(-50%, -50%) scale(1.1); }
}

/* Ajustes Responsive */
@media (max-width: 768px) {
    .hero-courses-section {
        padding: 2rem;
        text-align: center;
    }
    .hero-courses-content {
        flex-direction: column-reverse;
    }
    .hero-courses-icon {
        font-size: 4rem;
        margin-bottom: 1.5rem;
    }
}