/* ============================================
   GALA 2025 - DÍA DEL MÉDICO | COLMED VALPARAÍSO
   Stylesheet Principal
   ============================================ */

/* ============================================
   1. VARIABLES CSS - Paleta de colores y configuración
   ============================================ */
:root {
    /* Colores principales del evento */
    --color-gold: #D4AF37;
    --color-gold-light: #FFD700;
    --color-gold-dark: #B8941F;
    
    --color-blue: #1E5AA8;
    --color-blue-light: #2E6DB5;
    --color-blue-dark: #14427F;
    
    --color-red: #C1272D;
    --color-red-light: #DC143C;
    --color-red-dark: #9A1F24;
    
    --color-purple: #4A0E4E;
    --color-purple-light: #6B1B6B;
    --color-purple-dark: #2D0A2F;
    
    /* Colores neutros */
    --color-dark: #0A0A14;
    --color-dark-light: #1A1A2E;
    --color-dark-lighter: #2A2A3E;
    
    --color-white: #FFFFFF;
    --color-gray-light: #F8F9FA;
    --color-gray: #E0E0E0;
    --color-gray-dark: #6C757D;
    
    /* Tipografía */
    --font-primary: 'Playfair Display', serif;
    --font-secondary: 'Raleway', sans-serif;
    
    /* Tamaños de fuente */
    --fs-h1: 3.5rem;
    --fs-h2: 2.5rem;
    --fs-h3: 1.75rem;
    --fs-h4: 1.25rem;
    --fs-body: 1rem;
    --fs-small: 0.875rem;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-gold: 0 4px 20px rgba(212, 175, 55, 0.3);
    
    /* Transiciones */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* Z-index layers */
    --z-header: 1000;
    --z-modal: 2000;
    --z-toast: 3000;
}

/* ============================================
   2. RESET Y BASE STYLES
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-secondary);
    font-size: var(--fs-body);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
    overflow-x: hidden;
}

/* ============================================
   3. TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-normal);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   4. UTILIDADES Y COMPONENTES REUTILIZABLES
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

/* Botones */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 2rem;
    font-family: var(--font-secondary);
    font-size: var(--fs-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
    color: var(--color-dark);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-gold-light), var(--color-gold));
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(212, 175, 55, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-gold);
}

.btn-secondary:hover {
    background: var(--color-gold);
    color: var(--color-dark);
}

.btn-small {
    padding: 0.5rem 1.5rem;
    font-size: var(--fs-small);
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: var(--fs-h2);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.section-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    margin: 0 auto var(--spacing-sm);
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
    max-width: 600px;
    margin: 0 auto;
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    gap: var(--spacing-sm);
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--color-gray);
    border-top-color: var(--color-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ============================================
   5. HEADER / NAVEGACIÓN
   ============================================ */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 20, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    z-index: var(--z-header);
    transition: var(--transition-normal);
}

.navbar {
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-brand {
    display: flex;
    align-items: center;
}

.logo-colmed {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-gold);
    transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-gold);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ============================================
   6. HERO SECTION
   ============================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/images/background.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 20, 0.7) 0%,
        rgba(74, 14, 78, 0.6) 50%,
        rgba(30, 90, 168, 0.5) 100%
    );
    z-index: -1;
    overflow: hidden;
}

/* Estrellas cayendo - Capa 1 */
.hero-overlay::before {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 200%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, white, transparent),
        radial-gradient(2px 2px at 60% 70%, white, transparent),
        radial-gradient(1px 1px at 50% 50%, white, transparent),
        radial-gradient(1px 1px at 80% 10%, white, transparent),
        radial-gradient(2px 2px at 90% 60%, white, transparent),
        radial-gradient(1px 1px at 33% 80%, white, transparent),
        radial-gradient(2px 2px at 15% 90%, white, transparent);
    background-size: 200% 200%;
    background-position: 0% 0%;
    animation: starsfall1 20s linear infinite;
    opacity: 0.6;
}

/* Estrellas cayendo - Capa 2 (más rápida, doradas) */
.hero-overlay::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 200%;
    background-image: 
        radial-gradient(1px 1px at 10% 20%, rgba(255, 215, 0, 0.8), transparent),
        radial-gradient(2px 2px at 40% 60%, rgba(255, 215, 0, 0.8), transparent),
        radial-gradient(1px 1px at 70% 40%, rgba(255, 215, 0, 0.8), transparent),
        radial-gradient(2px 2px at 25% 85%, rgba(255, 215, 0, 0.8), transparent),
        radial-gradient(1px 1px at 85% 15%, rgba(255, 215, 0, 0.8), transparent),
        radial-gradient(2px 2px at 55% 95%, rgba(255, 215, 0, 0.8), transparent);
    background-size: 200% 200%;
    background-position: 0% 0%;
    animation: starsfall2 15s linear infinite;
    opacity: 0.5;
}

/* Animación de caída de estrellas - Lenta */
@keyframes starsfall1 {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(100%) rotate(360deg);
        opacity: 0;
    }
}

/* Animación de caída de estrellas - Rápida */
@keyframes starsfall2 {
    0% {
        transform: translateY(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.5;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(100%) rotate(-360deg);
        opacity: 0;
    }
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-md);
    margin-top: 80px;
}

.hero-logo-container {
    margin-bottom: var(--spacing-md);
    max-width: 400px;      /* Reducido de 600px a 400px */
    width: 70%;            /* Reducido de 90% a 70% */
    margin-left: auto;
    margin-right: auto;
}

.hero-logo {
    max-width: 100%;
    width: 100%;
    height: auto;
    margin: 0 auto;
    filter: drop-shadow(0 10px 30px rgba(212, 175, 55, 0.4));
    object-fit: contain;
}

.hero-title {
    font-size: 3rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    text-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--color-gold-light);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-gold);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0%, 100% { opacity: 0; transform: translate(-50%, 0); }
    50% { opacity: 1; transform: translate(-50%, 15px); }
}

/* ============================================
   7. VIDEO SECTION
   ============================================ */
.video-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-gray-light);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* Aspect ratio 16:9 */
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    background: var(--color-dark);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* ============================================
   8. GALLERY SECTION
   ============================================ */
.gallery-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-white);
}

/* Gallery Controls */
.gallery-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--color-white);
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    flex: 1;
    min-width: 250px;
    max-width: 400px;
    transition: var(--transition-fast);
}

.search-box:focus-within {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.search-box i {
    color: var(--color-gray-dark);
    margin-right: var(--spacing-xs);
}

.search-box input {
    border: none;
    outline: none;
    flex: 1;
    font-family: var(--font-secondary);
    font-size: var(--fs-body);
}

.view-toggle {
    display: flex;
    gap: var(--spacing-xs);
}

.view-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--color-gray-dark);
}

.view-btn:hover,
.view-btn.active {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-white);
}

/* Photo Grid */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* Vista de lista */
.photo-grid.view-list {
    grid-template-columns: 1fr;
}

.photo-grid.view-list .photo-card {
    display: flex;
    flex-direction: row;
    height: 200px;
}

.photo-grid.view-list .photo-card-image {
    width: 300px;
    height: 100%;
}

.photo-grid.view-list .photo-card-overlay {
    position: relative;
    opacity: 1;
    flex: 1;
    background: var(--color-gray-light);
    justify-content: center;
}

.photo-card {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    cursor: pointer;
}

.photo-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.photo-card-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.photo-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(10, 10, 20, 0.8) 100%
    );
    opacity: 0;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-sm);
}

.photo-card:hover .photo-card-overlay {
    opacity: 1;
}

.photo-card-info {
    color: var(--color-white);
}

.photo-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.photo-card-stats {
    display: flex;
    gap: var(--spacing-sm);
    font-size: var(--fs-small);
    color: var(--color-gold-light);
}

.photo-card-stats span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

/* ============================================
   9. PAGINACIÓN
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
}

.page-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-white);
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 600;
    color: var(--color-dark);
}

.page-btn:hover,
.page-btn.active {
    background: var(--color-gold);
    border-color: var(--color-gold);
    color: var(--color-white);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   10. SPONSORS SECTION
   ============================================ */
.sponsors-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
    color: var(--color-white);
}

.sponsors-section .section-title {
    color: var(--color-white);
}

.sponsors-section .section-description {
    color: var(--color-gray);
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.sponsor-card {
    background: var(--color-dark-light);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 2px solid transparent;
}

.sponsor-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: var(--shadow-gold);
}

.sponsor-logo-container {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.sponsor-logo {
    max-width: 100%;
    max-height: 100px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.sponsor-info {
    margin-bottom: var(--spacing-sm);
}

.sponsor-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-gold-light);
    margin-bottom: 0.5rem;
}

.sponsor-description {
    font-size: var(--fs-small);
    color: var(--color-gray);
    line-height: 1.5;
}

.sponsor-photos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.sponsor-photo {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.sponsor-photo:hover {
    transform: scale(1.05);
    opacity: 0.9;
}

.sponsor-social {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: center;
}

.social-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-lighter);
    border-radius: 50%;
    color: var(--color-gold);
    transition: var(--transition-fast);
}

.social-icon:hover {
    background: var(--color-gold);
    color: var(--color-dark);
    transform: scale(1.1);
}

/* ============================================
   11. FOOTER
   ============================================ */
.main-footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.footer-col h4 {
    color: var(--color-gold-light);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo {
    max-width: 80px;
    margin-bottom: var(--spacing-sm);
}

.footer-text {
    color: var(--color-gray);
    font-size: var(--fs-small);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
    color: var(--color-gray);
    font-size: var(--fs-small);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-links i {
    color: var(--color-gold);
    width: 20px;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

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

.social-links a:hover {
    background: var(--color-gold);
    color: var(--color-dark);
    transform: scale(1.1);
}

.footer-bottom {
    border-top: 1px solid var(--color-dark-lighter);
    padding-top: var(--spacing-sm);
    text-align: center;
    color: var(--color-gray);
    font-size: var(--fs-small);
}

.developer-credit {
    margin-top: 0.5rem;
}

.developer-credit i {
    color: var(--color-red);
}

/* ============================================
   12. MODAL / LIGHTBOX
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-modal);
}

.modal.active {
    display: block;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 20, 0.95);
    backdrop-filter: blur(10px);
}

.modal-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: rgba(212, 175, 55, 0.2);
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    color: var(--color-gold);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.modal-close:hover {
    background: var(--color-gold);
    color: var(--color-dark);
    transform: rotate(90deg);
}

.modal-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(212, 175, 55, 0.2);
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    color: var(--color-gold);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.modal-nav:hover {
    background: var(--color-gold);
    color: var(--color-dark);
}

.modal-prev {
    left: 20px;
}

.modal-next {
    right: 20px;
}

.modal-body {
    display: flex;
    gap: var(--spacing-md);
    width: 100%;
    max-width: 1400px;
    max-height: 90vh;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.modal-image-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark);
    overflow: hidden;
}

.modal-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
}

.modal-sidebar {
    width: 400px;
    background: var(--color-white);
    padding: var(--spacing-md);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.photo-info {
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-light);
}

.photo-title {
    font-size: 1.25rem;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.photo-date {
    font-size: var(--fs-small);
    color: var(--color-gray-dark);
}

/* Photo Actions - Likes y Share */
.photo-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-light);
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--color-gray-light);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 1rem;
    color: var(--color-dark);
}

.like-btn {
    font-size: 1.25rem;
}

.like-btn.liked {
    background: var(--color-red-light);
    color: var(--color-white);
    border-color: var(--color-red);
}

.like-btn.liked i {
    animation: heartBeat 0.5s;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.3); }
    50% { transform: scale(1.1); }
}

.like-count {
    font-weight: 600;
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xs);
}

.share-btn {
    padding: 0.75rem;
    font-size: 1.1rem;
}

.share-btn:hover {
    transform: translateY(-2px);
}

#share-facebook:hover {
    background: #1877F2;
    color: var(--color-white);
    border-color: #1877F2;
}

#share-twitter:hover {
    background: #1DA1F2;
    color: var(--color-white);
    border-color: #1DA1F2;
}

#share-whatsapp:hover {
    background: #25D366;
    color: var(--color-white);
    border-color: #25D366;
}

#copy-link:hover {
    background: var(--color-gold);
    color: var(--color-dark);
    border-color: var(--color-gold);
}

/* Comments Section */
.comments-section {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.comments-title {
    font-size: 1.1rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.comment-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.comment-form input,
.comment-form textarea {
    padding: 0.75rem;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-secondary);
    font-size: var(--fs-body);
    transition: var(--transition-fast);
}

.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--color-gold);
}

.comment-form textarea {
    resize: vertical;
    min-height: 80px;
}

.comments-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.comment-item {
    padding: var(--spacing-sm);
    background: var(--color-gray-light);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-gold);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.comment-author {
    font-weight: 600;
    color: var(--color-dark);
}

.comment-date {
    font-size: var(--fs-small);
    color: var(--color-gray-dark);
}

.comment-text {
    color: var(--color-dark);
    line-height: 1.5;
}

.comment-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: 0.5rem;
}

.comment-action {
    background: none;
    border: none;
    color: var(--color-gray-dark);
    cursor: pointer;
    font-size: var(--fs-small);
    transition: var(--transition-fast);
}

.comment-action:hover {
    color: var(--color-gold);
}

/* ============================================
   13. TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    top: 90px;
    right: 20px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-width: 350px;
}

.toast {
    background: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-gold);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-left-color: #28a745;
}

.toast.error {
    border-left-color: var(--color-red);
}

.toast.info {
    border-left-color: var(--color-blue);
}

.toast-icon {
    font-size: 1.5rem;
}

.toast.success .toast-icon {
    color: #28a745;
}

.toast.error .toast-icon {
    color: var(--color-red);
}

.toast.info .toast-icon {
    color: var(--color-blue);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: var(--fs-small);
    color: var(--color-gray-dark);
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-gray-dark);
    cursor: pointer;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.toast-close:hover {
    color: var(--color-dark);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* ============================================
   14. UTILIDADES ADICIONALES
   ============================================ */

/* Smooth scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-gray-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-gold);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-dark);
}

/* Selection color */
::selection {
    background: var(--color-gold);
    color: var(--color-dark);
}

/* Focus visible para accesibilidad */
*:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

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

/* ============================================
   15. ESTADOS DE CARGA Y VACÍO
   ============================================ */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
}

.empty-state i {
    font-size: 4rem;
    color: var(--color-gray);
    margin-bottom: var(--spacing-sm);
}

.empty-state h3 {
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-xs);
}

.empty-state p {
    color: var(--color-gray);
}

/* AOS Animations */
[data-aos] {
    pointer-events: auto;
}

.aos-animate {
    pointer-events: auto;
}