/* ========================================
   🎨 ESTILOS PRINCIPAIS - Revista Stella Itineris
   ======================================== */

/* Importar Design System y Componentes */
@import url('design-system.css');
@import url('components.css');

/* ========================================
   🎯 ESTILOS ESPECÍFICOS DE LA APLICACIÓN
   ======================================== */

/* Preloader */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.3s ease;
}

.loader {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-border-light);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* ========================================
   📱 HEADER Y NAVEGACIÓN
   ======================================== */
header {
    background-color: var(--color-bg-primary);
    box-shadow: var(--shadow-md);
    border-bottom: 2px solid var(--color-secondary);
    position: sticky;
    top: 0;
    z-index: 40;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-inverse);
    font-size: var(--font-size-xl);
    box-shadow: var(--shadow-lg);
}

.logo-text h1 {
    margin: 0;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.logo-text p {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Navegación */
nav a {
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

nav a:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-secondary);
    transform: translateY(-1px);
}

nav a.active {
    color: var(--color-primary);
    background-color: var(--color-bg-accent);
}

/* Menú Móvil */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background-color: var(--color-bg-secondary);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    
    nav.show {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-bg-primary);
        border-top: 1px solid var(--color-border-light);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
    }
    
    nav.show a {
        display: block;
        padding: var(--spacing-md);
        border-radius: var(--border-radius-md);
        margin-bottom: var(--spacing-sm);
    }
}

/* ========================================
   🎨 SECCIONES PRINCIPALES
   ======================================== */

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-text-inverse);
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero h2 {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease-out;
    position: relative;
    z-index: 1;
}

.hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    position: relative;
    z-index: 1;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.4s both;
    position: relative;
    z-index: 1;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

/* Secciones de Contenido */
.content-section {
    padding: var(--spacing-3xl) 0;
}

.content-section:nth-child(even) {
    background-color: var(--color-bg-secondary);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ========================================
   📚 CONTENIDO MARKDOWN
   ======================================== */
.markdown-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: var(--line-height-relaxed);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    color: var(--color-primary);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.markdown-content h1 {
    font-size: 1.5rem;
}

.markdown-content h2 {
    font-size: 1.25rem;
}

.markdown-content h1:first-child,
.markdown-content h2:first-child,
.markdown-content h3:first-child,
.markdown-content h4:first-child,
.markdown-content h5:first-child,
.markdown-content h6:first-child {
    margin-top: 0;
}

.markdown-content p {
    margin-bottom: var(--spacing-md);
    text-align: justify;
    font-size: var(--font-size-base);
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

.markdown-content li {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.markdown-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
    font-style: italic;
    color: var(--color-text-secondary);
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
}

.markdown-content code {
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family-mono);
    font-size: var(--font-size-sm);
}

.markdown-content pre {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    overflow-x: auto;
    margin: var(--spacing-lg) 0;
}

.markdown-content pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Variante mais compacta para blocos internos */
.markdown-content.markdown-compact {
    max-width: 700px;
    line-height: 1.55;
    font-size: calc(var(--font-size-base) * 0.97);
}

.markdown-content.markdown-compact h1,
.markdown-content.markdown-compact h2,
.markdown-content.markdown-compact h3 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
}

.markdown-content.markdown-compact h1 {
    font-size: 1.35rem;
}

.markdown-content.markdown-compact h2 {
    font-size: 1.15rem;
}

.markdown-content.markdown-compact p {
    margin-bottom: var(--spacing-sm);
}

.markdown-content.markdown-compact ul,
.markdown-content.markdown-compact ol {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
}

@media (max-width: 640px) {
    .markdown-content.markdown-compact {
        max-width: 100%;
        font-size: calc(var(--font-size-base) * 0.95);
        line-height: 1.6;
    }

    .markdown-content.markdown-compact h1,
    .markdown-content.markdown-compact h2,
    .markdown-content.markdown-compact h3 {
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-xs);
    }

    .markdown-content.markdown-compact p {
        margin-bottom: var(--spacing-xs);
    }
}

/* Markdown ainda mais compacto para carrossel */
.markdown-carousel {
    font-size: calc(var(--font-size-base) * 0.92);
    line-height: 1.5;
}

.markdown-carousel h1,
.markdown-carousel h2,
.markdown-carousel h3,
.markdown-carousel h4 {
    font-size: calc(var(--font-size-lg) * 0.95);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.markdown-carousel h1 {
    font-size: 1.3rem;
}

.markdown-carousel h2 {
    font-size: 1.1rem;
}

.markdown-carousel p {
    margin-bottom: var(--spacing-xs);
}

@media (max-width: 640px) {
    .markdown-carousel {
        font-size: calc(var(--font-size-base) * 0.9);
        line-height: 1.45;
    }

    .markdown-carousel h1,
    .markdown-carousel h2,
    .markdown-carousel h3,
    .markdown-carousel h4 {
        font-size: calc(var(--font-size-lg) * 0.9);
    }
}

/* Markdown: ajustes mobile */
@media (max-width: 640px) {
    .markdown-content {
        padding: 0 var(--spacing-sm);
        line-height: 1.65;
        font-size: calc(var(--font-size-base) * 0.98);
    }

    .markdown-content h1,
    .markdown-content h2,
    .markdown-content h3 {
        margin-top: var(--spacing-lg);
        margin-bottom: var(--spacing-sm);
    }

    .markdown-content h1 {
        font-size: 1.3rem;
    }

    .markdown-content h2 {
        font-size: 1.1rem;
    }

    .markdown-content p {
        margin-bottom: var(--spacing-sm);
    }

    .markdown-content ul,
    .markdown-content ol {
        padding-left: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }
}

/* ========================================
   🖼️ IMÁGENES Y MEDIA
   ======================================== */
.img-container {
    text-align: center;
    margin: var(--spacing-xl) 0;
}

.text-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
}

.text-image:hover {
    transform: scale(1.02);
}

.media-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.media-item {
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.media-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.media-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.media-caption {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

/* ========================================
   📊 TIMELINE
   ======================================== */
#timeline-embed {
    width: 100%;
    min-height: 600px;
    border: 2px solid var(--color-secondary);
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.timeline-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.timeline-header h3 {
    font-size: var(--font-size-3xl);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.timeline-header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* Ajustes extras para telas médias/pequenas */
@media (max-width: 900px) {
    header {
        padding-top: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }

    .content-section {
        padding: var(--spacing-2xl) 0;
    }

    .section-header {
        margin-bottom: var(--spacing-2xl);
    }

    .markdown-content {
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    #timeline-embed {
        min-height: clamp(480px, 60vh, 560px);
    }
}

@media (max-width: 600px) {
    header {
        padding-top: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }

    .hero {
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .content-section {
        padding: var(--spacing-xl) 0;
    }

    .section-header h2 {
        font-size: var(--font-size-3xl);
    }

    .section-header p {
        font-size: var(--font-size-base);
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }

    .markdown-content {
        max-width: 100%;
    }

    #timeline-embed {
        min-height: clamp(360px, 55vh, 520px);
    }

    footer {
        padding: var(--spacing-2xl) 0 var(--spacing-lg);
    }
}

/* ========================================
   🎭 MODAL DE AUTENTICACIÓN
   ======================================== */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.auth-modal.show {
    opacity: 1;
    visibility: visible;
}

.auth-modal-content {
    background-color: var(--color-bg-primary);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.auth-modal.show .auth-modal-content {
    transform: scale(1);
}

.auth-form {
    padding: var(--spacing-xl);
}

.auth-form h3 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-primary);
}

.form-row {
    margin-bottom: var(--spacing-lg);
}

.form-row label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
}

.form-row input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-border-medium);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    transition: all var(--transition-fast);
}

.form-row input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44, 85, 48, 0.1);
}

.auth-actions {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.auth-links {
    margin-top: var(--spacing-lg);
    text-align: center;
}

.auth-links a {
    color: var(--color-primary);
    text-decoration: none;
    margin: 0 var(--spacing-sm);
    font-weight: var(--font-weight-medium);
}

.auth-links a:hover {
    text-decoration: underline;
}

/* ========================================
   🦶 FOOTER
   ======================================== */
footer {
    background: linear-gradient(135deg, var(--color-bg-dark) 0%, #2d2d2d 100%);
    color: var(--color-text-inverse);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: var(--color-text-inverse);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-xl);
}

.footer-section p,
.footer-section li {
    color: var(--color-text-muted);
    line-height: var(--line-height-relaxed);
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: var(--color-text-inverse);
}

.footer-bottom {
    border-top: 1px solid var(--color-border-dark);
    padding-top: var(--spacing-xl);
    text-align: center;
    color: var(--color-text-muted);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-bg-dark);
    color: var(--color-text-muted);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
}

/* ========================================
   📱 RESPONSIVIDADE ADICIONAL
   ======================================== */
@media (max-width: 640px) {
    .hero h2 {
        font-size: var(--font-size-4xl);
    }
    
    .hero p {
        font-size: var(--font-size-lg);
    }
    
    .section-header h2 {
        font-size: var(--font-size-3xl);
    }
    
    .content-section {
        padding: var(--spacing-2xl) 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero h2 {
        font-size: var(--font-size-3xl);
    }
    
    .hero p {
        font-size: var(--font-size-base);
    }
    
    .auth-modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }
}

/* ========================================
   🎨 ESTADOS ESPECIALES
   ======================================== */

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 4px solid var(--color-border-light);
    border-top: 4px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Error states */
.error {
    border-color: var(--color-error);
    background-color: rgba(220, 53, 69, 0.1);
}

.error-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

/* Success states */
.success {
    border-color: var(--color-success);
    background-color: rgba(40, 167, 69, 0.1);
}

.success-message {
    color: var(--color-success);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

/* ========================================
   ♿ MEJORAS DE ACCESIBILIDAD
   ======================================== */

/* Focus indicators */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip links */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--color-primary);
    color: var(--color-text-inverse);
    padding: 8px;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    z-index: 1000;
}

.skip-link:focus {
    top: 6px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .btn {
        border: 2px solid currentColor;
    }
    
    .card {
        border: 2px solid var(--color-text-primary);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ========================================
   🎯 UTILITARIOS FINALES
   ======================================== */

/* Text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Spacing utilities */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.pt-0 { padding-top: 0; }
.pb-0 { padding-bottom: 0; }

/* Display utilities */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

/* Z-index utilities */
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* ========================================
   🎨 ANIMACIONES ADICIONALES
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.slide-in-right {
    animation: slideInFromRight 0.6s ease-out;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}