/**
 * ========================================
 * ARCHIVO DE ESTILOS BASE - FRANCISCO MEDEL
 * ========================================
 * 
 * DESCRIPCIÓN GENERAL:
 * Este archivo contiene todos los estilos base del sitio web de Francisco Medel.
 * Incluye estilos para tipografía, botones, formularios, galería, modales, footer
 * y componentes 3D. Utiliza variables CSS para mantener consistencia visual.
 * 
 * ESTRUCTURA DEL ARCHIVO:
 * 1. Importaciones y configuración inicial
 * 2. Reset y estilos base
 * 3. Tipografía y elementos de texto
 * 4. Componentes de interfaz (botones, formularios, tarjetas)
 * 5. Utilidades y clases helper
 * 6. Header y navegación
 * 7. Componentes 3D (pantalla de carga, controles)
 * 8. Footer con efectos visuales
 * 9. Galería de fotos y modales
 * 10. Formularios de subida y botones de acción
 * 11. Animaciones y transiciones
 * 12. Media queries responsive
 * 
 * VARIABLES CSS UTILIZADAS (definidas en variables.css):
 * - --color-primary: Color principal (rosa)
 * - --color-secondary: Color secundario (blanco)
 * - --color-accent: Color de acento (dorado)
 * - --color-error: Color de error (rojo)
 * - --font-family-primary: Fuente principal (Poppins)
 * - --font-family-heading: Fuente para títulos
 * - --spacing-*: Espaciados consistentes
 * - --border-radius-*: Bordes redondeados
 * - --transition-*: Transiciones y animaciones
 * 
 * AUTOR: Francisco Medel
 * FECHA: 2025
 * VERSIÓN: 2.0
 */

/* ======================================== */
/* IMPORTACIONES Y CONFIGURACIÓN INICIAL */
/* ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
@import 'variables.css';

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

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-text);
    background-color: var(--color-background);
    padding-top: 80px; /* Espacio para header fijo */
}

/* ======================================== */
/* TIPOGRAFÍA Y ELEMENTOS DE TEXTO */
/* ======================================== */

/* Jerarquía de títulos */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-4);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

/* Enlaces con transiciones suaves */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

a:hover {
    color: var(--color-accent);
}

/* ======================================== */
/* COMPONENTES DE INTERFAZ */
/* ======================================== */

/* Botones base con estilos consistentes */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius-md);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Variantes de botones */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-secondary);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-primary);
}

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

.btn-secondary:hover {
    background-color: var(--color-accent-light);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.btn-danger {
    background-color: var(--color-error);
    color: var(--color-secondary);
    border: 2px solid var(--color-error);
}

.btn-danger:hover {
    background-color: var(--color-error-dark);
    border-color: var(--color-error-dark);
}

/* Formularios con validación visual */
.form-group {
    margin-bottom: var(--spacing-4);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

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

.form-control:focus {
    outline: none;
    border-color: var(--color-primary-dark);
    box-shadow: 0 0 5px rgba(255, 105, 180, 0.3);
}

.form-control::placeholder {
    color: var(--color-text-light);
}

/* Mensajes de error en formularios */
.error-message {
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-1);
    display: none;
}

.was-validated .form-control:invalid ~ .error-message {
    display: block;
}

.form-error {
    background-color: var(--color-error-light);
    border-left: 4px solid var(--color-error);
    color: var(--color-error-dark);
    padding: var(--spacing-3);
    margin-bottom: var(--spacing-4);
    border-radius: var(--border-radius-md);
}

/* Tarjetas con sombras y bordes */
.card {
    background-color: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--color-primary-light);
}

/* Contenedores principales */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    background: var(--color-background);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--elevation-1);
}

/* ======================================== */
/* UTILIDADES Y CLASES HELPER */
/* ======================================== */

/* Alineación de texto */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

/* Colores de texto */
.text-primary { color: var(--color-primary-light); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-primary-dark); }

/* Fondos */
.bg-primary { background-color: var(--color-primary-light); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-light { background-color: var(--color-background); }
.bg-error { 
    background-color: var(--color-error);
    border: 2px solid var(--color-error-dark);
    color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

/* Espaciado utilitario */
.p-1 { padding: var(--spacing-1); }
.p-2 { padding: var(--spacing-2); }
.p-3 { padding: var(--spacing-3); }
.p-4 { padding: var(--spacing-4); }
.p-6 { padding: var(--spacing-6); }

.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-8 { margin-top: var(--spacing-8); }
.mt-12 { margin-top: var(--spacing-12); }

.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-8 { margin-bottom: var(--spacing-8); }
.mb-12 { margin-bottom: var(--spacing-12); }

/* Bordes y formas */
.border-primary { border: 2px solid var(--color-primary); }
.rounded { border-radius: var(--border-radius-md); }
.rounded-top { border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0; }

/* Flexbox utilities */
.flex-column { display: flex; flex-direction: column; }
.gap-3 { gap: var(--spacing-3); }
.w-100 { width: 100%; }

/* Acentos dorados para elementos destacados */
.badge, .highlight, .btn-accent {
    background: var(--color-accent);
    color: var(--color-secondary);
    border-radius: var(--border-radius-sm);
    padding: 0.25em 0.75em;
    font-weight: var(--font-weight-semibold);
}

.section-title {
    color: var(--color-primary);
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
    padding-bottom: var(--spacing-2);
    margin-bottom: var(--spacing-8);
}

/* ======================================== */
/* HEADER Y NAVEGACIÓN */
/* ======================================== */

/* Header principal fijo */
.main-header {
    background-color: #000000;
    box-shadow: var(--elevation-2);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    width: 100vw;
}

.main-header .container {
    background: transparent;
    margin: 0;
    padding: 0;
    max-width: 100vw;
    width: 100vw;
}

/* Menú de navegación */
.nav-menu {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-4) 0;
}

.logo {
    height: 50px;
    background: transparent;
}

.logo-img {
    height: 100%;
    width: auto;
    background: transparent;
}

.nav-links {
    display: flex;
    gap: var(--spacing-6);
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    background: transparent;
}

.nav-links a {
    color: #cccccc;
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
    background: transparent;
}

.nav-links a:hover,
.nav-links a:focus,
.nav-links a.active {
    color: #cccccc;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: var(--font-size-xl);
    color: #ffffff;
    cursor: pointer;
}

/* ======================================== */
/* COMPONENTES 3D - PANTALLA DE CARGA */
/* ======================================== */

/* Pantalla de carga con gradiente */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

/* Slides de instrucciones */
.loading-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.8s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.loading-slide.active {
    opacity: 1;
}

.slide-content {
    background: rgba(0, 0, 0, 0.8);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    max-width: 600px;
    margin: 0 1rem;
    border: 2px solid var(--color-accent);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.slide-title {
    color: var(--color-accent);
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.slide-description {
    color: var(--color-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

/* Grid de controles */
.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.control-item {
    background: rgba(201, 176, 55, 0.1);
    border: 1px solid var(--color-accent);
    border-radius: 8px;
    padding: 1rem;
    text-align: center;
}

.control-key {
    background: var(--color-accent);
    color: var(--color-primary);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-weight: var(--font-weight-bold);
    display: inline-block;
    margin-bottom: 0.5rem;
}

.control-description {
    color: var(--color-secondary);
    font-size: 0.9rem;
}

/* Barra de progreso */
.progress-bar {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 300px;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--color-accent);
    width: 0%;
    transition: width 0.3s ease;
}

.slide-counter {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(0, 0, 0, 0.7);
    color: var(--color-accent);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: var(--font-weight-bold);
    border: 1px solid var(--color-accent);
}

/* Canvas del juego 3D */
#canvas {
    width: 100%;
    height: 100vh;
    display: none;
    border: none;
}

/* Área de botones de control */
.buttonarea {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid var(--color-accent);
}

/* Mensajes del sistema */
#compilingmessage {
    position: fixed;
    top: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-accent);
    color: var(--color-primary);
    padding: 1rem 2rem;
    border-radius: 10px;
    font-weight: var(--font-weight-bold);
    z-index: 1001;
    display: none;
}

#logwindow {
    position: fixed;
    bottom: 5rem;
    left: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.9);
    color: var(--color-secondary);
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid var(--color-accent);
    max-height: 200px;
    overflow-y: auto;
    display: none;
    z-index: 1000;
}

/* ======================================== */
/* FOOTER CON EFECTOS VISUALES */
/* ======================================== */

/* Footer principal con animación de entrada */
.main-footer {
    background: var(--color-secondary);
    color: var(--color-primary);
    padding: var(--spacing-12) 0 var(--spacing-6) 0;
    margin-top: var(--spacing-16);
    border-top: 3px solid var(--color-accent);
    box-shadow: var(--elevation-4);
    position: relative;
    overflow: hidden;
    animation: footerSlideIn 0.8s ease-out;
}

.main-footer:hover {
    box-shadow: var(--elevation-4), 0 0 30px rgba(201, 176, 55, 0.1);
}

/* Efecto de fondo decorativo con patrón SVG */
.main-footer::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="50" cy="50" r="1" fill="%23ffffff" opacity="0.03"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
    z-index: 1;
}

/* Grid del footer */
.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-8);
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
    position: relative;
    z-index: 2;
}

/* Secciones del footer con efectos hover */
.footer-section {
    padding: var(--spacing-6);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(201, 176, 55, 0.2);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.footer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 50%, var(--color-accent) 100%);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.footer-section:hover::before {
    transform: scaleX(1);
}

.footer-section:hover {
    transform: translateY(-5px);
    box-shadow: var(--elevation-3);
    border-color: rgba(201, 176, 55, 0.4);
}

/* Títulos de sección con efectos */
.footer-section h3 {
    color: var(--color-accent);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-4);
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    padding-bottom: var(--spacing-2);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-normal);
}

.footer-section:hover h3::after {
    width: 100%;
}

/* Listas del footer con iconos */
.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: var(--spacing-3);
    position: relative;
    padding-left: var(--spacing-4);
}

.footer-section ul li::before {
    content: '▶';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-accent);
    font-size: 0.8rem;
    transition: transform var(--transition-fast);
}

.footer-section ul li:hover::before {
    transform: translateY(-50%) translateX(3px);
}

.footer-section ul li a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    display: inline-block;
    position: relative;
}

.footer-section ul li a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--color-accent);
    transform: translateX(5px);
}

.footer-section ul li a:hover::after {
    width: 100%;
}

/* Información de contacto especializada */
.contact-info li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding-left: 0;
}

.contact-info li::before {
    display: none;
}

.contact-info li i {
    color: var(--color-accent);
    width: 20px;
    text-align: center;
    font-size: var(--font-size-lg);
}

/* Enlaces de redes sociales con efectos */
.social-links {
    display: flex;
    gap: var(--spacing-3);
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: rgba(201, 176, 55, 0.1);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    color: var(--color-accent);
    font-size: var(--font-size-xl);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 176, 55, 0.3), transparent);
    transition: left var(--transition-normal);
}

.social-link:hover {
    background: var(--color-accent);
    color: var(--color-primary);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--elevation-3);
}

.social-link:hover::before {
    left: 100%;
}

/* Footer bottom */
.footer-bottom {
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid rgba(201, 176, 55, 0.3);
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer-bottom p {
    color: var(--color-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin: 0;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.footer-bottom p:hover {
    opacity: 1;
}

/* ======================================== */
/* GALERÍA DE FOTOS Y MODALES */
/* ======================================== */

/* Grid de galería responsive */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 1rem;
}

/* Elementos de galería con efectos hover */
.gallery-item {
    position: relative;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.gallery-item-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-image {
    transform: scale(1.05);
}

/* Overlay de información en galería */
.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: flex-end;
    padding: 1rem;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-info {
    color: white;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.gallery-item:hover .gallery-info {
    transform: translateY(0);
}

.gallery-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
}

.gallery-info p {
    margin: 0 0 0.5rem 0;
    font-size: 0.6rem;
    opacity: 0.9;
}

.gallery-info small {
    font-size: 0.5rem;
    opacity: 0.7;
}

/* Modales con backdrop blur */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-background);
    backdrop-filter: blur(5px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--color-background);
    padding: 2rem;
    border-radius: 15px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    margin: 0;
    color: var(--color-primary);
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-text-light);
}

.close-modal:hover {
    color: var(--color-error);
}

/* Modal específico para imágenes */
.modal-imagen {
    max-width: 90%;
    max-height: 80vh;
    width: auto;
    margin: 0;
    display: flex;
    flex-direction: column;
}

.modal-imagen-grande {
    max-width: 100%;
    max-height: 50vh;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 1rem;
    flex-shrink: 0;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.modal-descripcion {
    background: var(--color-background-alt);
    padding: 1rem;
    border-radius: 8px;
    flex: 1;
    overflow-y: auto;
    word-wrap: break-word;
}

.modal-descripcion p {
    margin: 0 0 0.5rem 0;
    color: var(--color-text);
    line-height: 1.6;
    white-space: pre-wrap;
}

.modal-descripcion small {
    color: var(--color-text-light);
}

/* ======================================== */
/* FORMULARIOS DE SUBIDA Y BOTONES */
/* ======================================== */

/* Formularios de subida con estilos mejorados */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    font-weight: 500;
}

.form-group input[type="text"],
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--color-secondary-light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 105, 180, 0.1);
    outline: none;
}

/* Área de subida de archivos */
.file-upload {
    position: relative;
    width: 100%;
    height: 150px;
    border: 2px dashed var(--color-secondary-light);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.file-upload:hover {
    border-color: var(--color-primary);
    background: rgba(255, 105, 180, 0.05);
}

.file-upload input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-label {
    text-align: center;
    color: var(--color-text-light);
}

.file-upload-label i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

/* Botones de acción en formularios */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

.btn-submit {
    background: var(--color-primary);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-cancel {
    background: var(--color-secondary-light);
    color: var(--color-text);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cancel:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
}

/* Botón de eliminar con posicionamiento absoluto */
.btn-delete {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--color-error);
    color: white;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.btn-delete:hover {
    background-color: var(--color-error-dark);
    transform: scale(1.1);
}

.btn-delete i {
    font-size: 14px;
}

.btn-edit {
    position: absolute;
    top: 40px;
    right: 10px;
    background-color: var(--color-primary);
    color: rgba(175, 14, 14, 0.377);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}
.btn-edit:hover {
    background-color: var(--color-primary-dark);
    transform: scale(1.1);
}


/* ======================================== */
/* ANIMACIONES Y TRANSICIONES */
/* ======================================== */

/* Animación de entrada para elementos */
@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Animación de entrada para footer */
@keyframes footerSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Animación de entrada para modales */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ======================================== */
/* MEDIA QUERIES RESPONSIVE */
/* ======================================== */

/* Breakpoint medio (tablets) */
@media (max-width: var(--breakpoint-md)) {
    .container {
        padding: 0 var(--spacing-2);
    }
    
    h1 { font-size: var(--font-size-3xl); }
    h2 { font-size: var(--font-size-2xl); }
    h3 { font-size: var(--font-size-xl); }
}

/* Breakpoint móvil (768px) */
@media (max-width: 768px) {
    /* Navegación móvil */
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #000000;
        flex-direction: column;
        padding: var(--spacing-4);
        box-shadow: var(--elevation-2);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
    
    /* Footer responsive */
    .main-footer {
        padding: var(--spacing-8) 0 var(--spacing-4) 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
        padding: 0 var(--spacing-3);
    }
    
    .footer-section {
        padding: var(--spacing-4);
    }
    
    .footer-section h3 {
        font-size: var(--font-size-lg);
    }
    
    .social-links {
        justify-content: center;
    }
    
    .social-link {
        width: 45px;
        height: 45px;
        font-size: var(--font-size-lg);
    }
    
    /* Galería responsive */
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-submit,
    .btn-cancel {
        width: 100%;
    }
}

/* Breakpoint móvil pequeño (480px) */
@media (max-width: 480px) {
    .footer-grid {
        padding: 0 var(--spacing-2);
    }
    
    .footer-section {
        padding: var(--spacing-3);
    }
    
    .social-link {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-base);
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}