/*
 * ==================================================================================
 * GLAUNCHER - ANIMACIONES PARA LA PÁGINA DE DESCARGAS
 * ==================================================================================
 */
@keyframes card-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to { opacity: 1; transform: scale(1); }
}

@keyframes fade-out {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}
/*
 * ==================================================================================
 * GLAUNCHER - ESTILOS ESPECÍFICOS PARA LA PÁGINA DE DESCARGAS (REMODELADO)
 * ==================================================================================
 */

.download-page {
    padding: 40px 20px;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}

.download-container {
    width: 100%;
    max-width: 1100px;
    text-align: center;
}

/* --- Nueva Vista de Pasos de Descarga --- */
.download-steps-view {
    display: none; /* Oculto por defecto */
    max-width: 1000px;
    width: 100%;
    animation: scale-in 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Activación de la vista de descarga */
body.is-downloading-active .download-container {
    display: none;
}

body.is-downloading-active .download-steps-view {
    display: block;
}

.steps-header {
    margin-bottom: 50px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

/* Contenedor para iconos dibujados */
.step-icon-wrapper {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* Icono 1: Archivo dibujado con CSS */
.css-file-icon {
    width: 45px;
    height: 55px;
    background: rgba(0, 255, 255, 0.05);
    border: 2px solid var(--neon-blue);
    position: relative;
    border-radius: 4px;
    box-shadow: var(--shadow-blue), inset 0 0 10px rgba(0, 255, 255, 0.2);
}
/* Líneas decorativas de "código" */
.css-file-icon::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 10px;
    width: 20px;
    height: 2px;
    background: var(--neon-blue);
    box-shadow: 0 8px 0 var(--neon-blue), 0 16px 0 var(--neon-blue);
    opacity: 0.5;
}
.css-file-icon::after {
    content: '';
    position: absolute;
    top: -3px;
    right: -3px;
    border-width: 12px;
    border-style: solid;
    border-color: var(--secondary-bg-color) var(--secondary-bg-color) var(--neon-blue) var(--neon-blue);
    box-shadow: -2px 2px 5px rgba(0, 0, 0, 0.5);
}

/* Flecha de descarga interna */
.css-file-icon-arrow {
    position: absolute;
    bottom: 8px;
    right: 8px;
    color: var(--neon-blue);
    font-size: 12px;
    animation: neon-flicker 2s infinite;
}

/* Icono 2: Usuario dibujado con CSS */
.css-user-icon {
    width: 25px;
    height: 25px;
    border: 2px solid var(--neon-pink);
    border-radius: 50% 50% 10% 10%; /* Forma más de "casco" */
    position: relative;
    box-shadow: var(--shadow-pink), inset 0 0 5px var(--neon-pink);
}
/* El "visor" del usuario */
.css-user-icon::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 15%;
    width: 70%;
    height: 4px;
    background: var(--neon-pink);
    box-shadow: 0 0 8px var(--neon-pink);
}
.css-user-icon::after {
    content: '';
    position: absolute;
    bottom: -28px;
    left: -15px;
    width: 56px;
    height: 24px;
    border: 2px solid var(--neon-pink);
    border-radius: 25px 25px 5px 5px;
    background: rgba(255, 0, 255, 0.05);
}

.step-card {
    background: var(--secondary-bg-color);
    padding: 40px 20px;
    border-radius: 15px;
    border: 2px solid var(--neon-blue);
    position: relative;
    transition: all 0.3s ease;
}

.step-card:hover {
    border-color: var(--neon-pink);
    box-shadow: var(--shadow-pink);
    transform: translateY(-5px);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--neon-pink);
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2em;
    box-shadow: var(--shadow-pink);
}

.neon-title {
    font-size: 2.5em;
    color: var(--neon-pink);
    margin-bottom: 10px;
    text-shadow: 0 0 10px var(--neon-pink);
    animation: neon-pulse-rgb 5s infinite alternate; /* Animación de pulso para el título */
}

.subtitle-text {
    color: var(--text-color-dark);
    margin-bottom: 40px;
    font-style: italic;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.download-info-box {
    padding: 30px;
    background-color: var(--secondary-bg-color);
    border: 3px solid var(--neon-blue);
    box-shadow: var(--shadow-blue);
    margin-bottom: 40px;
    border-radius: var(--border-radius-base);
}

.box-title {
    font-size: 1.8em;
    margin-bottom: 15px;
    border-bottom: 2px dashed rgba(255, 255, 255, 0.1);
    padding-bottom: 10px;
    text-shadow: 0 0 8px currentColor; 
}

.box-description {
    color: var(--text-color-dark);
    margin-bottom: 30px;
}

/* --- Sistema de Pestañas (Tabs) --- */
.tab-nav {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--secondary-bg-color);
}

.tab-button {
    padding: 10px 25px;
    background-color: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--text-color-dark);
    font-size: 1.1em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: translateY(2px); /* Alinea con el borde inferior del nav */
}

.tab-button:hover {
    color: var(--neon-blue);
}

.tab-button.active {
    color: var(--neon-pink);
    border-bottom-color: var(--neon-pink);
    text-shadow: 0 0 8px var(--neon-pink);
}

.tab-content {
    display: none; /* Ocultar por defecto */
    opacity: 0;
    transition: opacity 0.15s ease-in-out;
}

.tab-content.active {
    display: block; /* Mostrar contenido activo */
    opacity: 1;
}

.tab-content.is-exiting {
    display: block;
    animation: fade-out 0.15s ease-in-out forwards;
}

/* --- Grilla de Plataformas (Dentro de las pestañas) --- */
.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.download-card {
    padding: 25px;
    background-color: var(--main-bg-color); /* Fondo más oscuro para contraste */
    border-radius: 10px;
    border: 2px solid var(--secondary-bg-color);
    box-shadow: 0 4px 15px rgba(240, 234, 234, 0.4);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;

    /* Aplicamos la animación de entrada */
    opacity: 0; /* Inicia invisible */
    animation: card-fade-in 0.5s ease-out forwards;
}

/* Retraso escalonado para la animación de las tarjetas */
.download-grid .download-card:nth-child(2) { animation-delay: 0.1s; }
.download-grid .download-card:nth-child(3) { animation-delay: 0.2s; }

.download-card:hover {
    transform: translateY(-5px);
    border-color: var(--neon-pink);
    box-shadow: 0 0 20px var(--neon-pink);
}

.card-icon {
    font-size: 3.5em;
    margin-bottom: 15px;
    transition: transform 0.3s ease, filter 0.3s ease;
}

/* Animación para el icono al pasar el ratón por la tarjeta */
.download-card:hover .card-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px currentColor);
}

/* Colores de iconos por plataforma */
.platform-windows .card-icon { color: var(--neon-blue); }
.platform-macos .card-icon { color: var(--text-color-light); }
.platform-linux .card-icon { color: var(--neon-pink); }
.platform-android .card-icon { color: var(--neon-green); }
.platform-ios .card-icon { color: var(--text-color-dark); }

.download-card h4 {
    font-size: 1.4em;
    color: var(--text-color-light);
    margin-bottom: 10px;
}

.card-description {
    color: var(--text-color-dark);
    font-size: 0.9em;
    min-height: 40px; /* Espacio para 2 líneas de texto */
    margin-bottom: 20px;
}

.button-group {
    display: flex;
    gap: 10px;
    width: 100%;
}

.download-button {
    flex-grow: 1;
    padding: 12px 10px;
    border-radius: 5px;
    border: 1px solid var(--neon-blue);
    background-color: transparent;
    color: hsl(0, 0%, 100%); /* Color de texto blanco para mejor visibilidad */
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Efecto de presión inmediata */
.download-button:active {
    transform: scale(0.95);
}

/* Estado de animación durante el inicio de descarga */
.download-button.download-animating {
    background-color: var(--neon-green) !important;
    color: var(--main-bg-color) !important;
    border-color: var(--neon-green) !important;
    box-shadow: var(--shadow-green) !important;
}

.download-button:hover {
    background-color: var(--neon-blue);
    color: #FFFFFF; /* Color de texto blanco puro en hover */
    box-shadow: 0 0 15px var(--neon-blue);
}

.download-button.is-disabled {
    border-color: var(--text-color-dark);
    color: var(--text-color-dark);
    cursor: not-allowed;
    background-color: transparent;
    filter: grayscale(50%);
}

.download-button.is-disabled:hover {
    box-shadow: none;
    background-color: transparent;
}

/* --- Requisitos del Sistema --- */
.requirements-box {
    padding: 30px;
    background-color: var(--secondary-bg-color);
    border: 2px solid var(--neon-pink); 
    border-radius: var(--border-radius-base);
    text-align: left;
    margin-top: 40px;
}

.req-list {
    list-style: none;
    padding-left: 0;
}

.req-list li {
    margin-bottom: 10px;
    font-size: 1em;
    opacity: 0;
    animation: card-fade-in 0.4s ease-out forwards;
}

/* Retraso escalonado para la lista de requisitos */
.req-list li:nth-child(1) { animation-delay: 0.1s; }
.req-list li:nth-child(2) { animation-delay: 0.2s; }
.req-list li:nth-child(3) { animation-delay: 0.3s; }
.req-list li:nth-child(4) { animation-delay: 0.4s; }

.req-list i {
    margin-right: 10px;
}

.disclaimer-text {
    margin-top: 30px;
    color: var(--text-color-dark);
    font-size: 0.9em;
}