/* ============================================
   Estilos específicos de index.html
   ============================================ */

/* Estilos del body específicos para esta página */
html {
    height: 100%;
}

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-gray-900);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

/* Container Principal específico para index */
.container {
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* ============================================
   Contenedor de Frase
   ============================================ */
.frase-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    position: relative;
    overflow: visible;
}

.frase-content {
    max-width: 900px;
    width: 100%;
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.95);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.6s ease-out;
    position: relative;
    z-index: 10;
}

.frase-link {
    text-decoration: none;
    color: inherit;
    display: block;
    width: 100%;
    height: 100%;
    min-height: 100%;
    cursor: pointer !important;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    user-select: none;
    -webkit-user-select: none;
    position: relative;
    z-index: 100;
}

.frase-content:hover {
    transform: translateY(-4px);
    box-shadow: 0 24px 72px rgba(0, 0, 0, 0.35);
}

.frase-content:active {
    transform: translateY(-2px);
}

.frase-link * {
    pointer-events: none !important;
    user-select: none;
    -webkit-user-select: none;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.frase-text {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.6;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-xl);
    font-style: italic;
    quotes: "«" "»" "‹" "›";
}

.frase-text::before {
    content: open-quote;
    color: var(--color-primary);
    font-size: 1.2em;
    margin-right: 0.2em;
}

.frase-text::after {
    content: close-quote;
    color: var(--color-primary);
    font-size: 1.2em;
    margin-left: 0.2em;
}

.frase-meta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-lg);
    border-top: 2px solid var(--color-gray-200);
}

.frase-author {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gray-700);
}

.frase-book {
    font-size: 1rem;
    color: var(--color-gray-600);
    font-style: italic;
}

/* ============================================
   Navegación Inferior
   ============================================ */
.bottom-nav {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-link {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    color: white;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    transition: all var(--transition-base);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    backdrop-filter: blur(10px);
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.nav-link:active {
    transform: translateY(0);
}

.nav-link--library {
    background: rgba(37, 99, 235, 0.3);
    border-color: rgba(37, 99, 235, 0.5);
}

.nav-link--library:hover {
    background: rgba(37, 99, 235, 0.4);
    border-color: rgba(37, 99, 235, 0.6);
}

.nav-link--random {
    background: rgba(245, 158, 11, 0.3);
    border-color: rgba(245, 158, 11, 0.5);
}

.nav-link--random:hover {
    background: rgba(245, 158, 11, 0.4);
    border-color: rgba(245, 158, 11, 0.6);
}

.nav-link--about {
    background: rgba(118, 75, 162, 0.3);
    border-color: rgba(118, 75, 162, 0.5);
}

.nav-link--about:hover {
    background: rgba(118, 75, 162, 0.4);
    border-color: rgba(118, 75, 162, 0.6);
}

.nav-link--github {
    background: rgba(51, 51, 51, 0.3);
    border-color: rgba(51, 51, 51, 0.5);
}

.nav-link--github:hover {
    background: rgba(51, 51, 51, 0.4);
    border-color: rgba(51, 51, 51, 0.6);
}

.nav-link-icon {
    width: 16px !important;
    height: 16px !important;
    max-width: 16px !important;
    max-height: 16px !important;
    object-fit: contain;
    flex-shrink: 0;
    display: block;
    vertical-align: middle;
}

/* ============================================
   Loading
   ============================================ */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-600);
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .frase-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }

    .frase-text {
        font-size: 1.5rem;
    }

    .frase-author {
        font-size: 1.125rem;
    }

    .frase-book {
        font-size: 0.9375rem;
    }

    .bottom-nav {
        flex-direction: column;
        gap: var(--spacing-md);
        padding: var(--spacing-lg);
    }

    .nav-link {
        width: 100%;
        justify-content: center;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .frase-text {
        font-size: 1.25rem;
    }

    .frase-author {
        font-size: 1rem;
    }

    .frase-book {
        font-size: 0.875rem;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: rgba(0, 0, 0, 0.3);
    color: white;
    padding: var(--spacing-lg) 0;
    text-align: center;
    backdrop-filter: blur(10px);
}

.footer p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.footer__github {
    margin-top: var(--spacing-sm);
}

.footer__link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.footer__link:hover {
    color: white;
    text-decoration: underline;
}