/**
 * Estilos base para el sitio web Club Balonmano Albacete
 * Incluye reset, tipografía, layout fundamentales y otros estilos globales
 */

/* Importar variables CSS */
@import 'variables.css';

/* Reset básico */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Configuración HTML y Body */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-dark);
  background-color: #fff;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  opacity: 1;
  transition: opacity 0.3s ease;
}

/* Principales elementos de texto */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-family: var(--font-secondary);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-dark);
}

h1 {
  font-size: var(--font-size-3xl);
}

h2 {
  font-size: var(--font-size-2xl);
}

h3 {
  font-size: var(--font-size-xl);
}

h4 {
  font-size: var(--font-size-lg);
}

h5 {
  font-size: var(--font-size-md);
}

h6 {
  font-size: var(--font-size-base);
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover,
a:focus {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Listas */
ul, ol {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-xl);
}

li {
  margin-bottom: var(--spacing-xs);
}

/* Imágenes */
img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
  border-style: none;
}

/* Formularios y botones */
button,
input,
optgroup,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  margin: 0;
}

button,
input {
  overflow: visible;
}

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
  border-style: none;
  padding: 0;
}

input[type="radio"],
input[type="checkbox"] {
  box-sizing: border-box;
  padding: 0;
}

/* Tablas */
table {
  border-collapse: collapse;
  width: 100%;
}

th {
  text-align: left;
}

/* Contenedor principal */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  padding-right: var(--container-padding);
  padding-left: var(--container-padding);
  margin-right: auto;
  margin-left: auto;
}

/* Contenido principal */
main {
  flex: 1 0 auto;
  opacity: 0;
  transition: opacity 0.5s ease;
  visibility: hidden;
}

#main-content {
  opacity: 0;
  transition: opacity 0.5s ease;
  visibility: hidden;
}

#main-content.content-ready {
  opacity: 1;
  visibility: visible;
  animation: fadeInContent 0.5s ease forwards;
}

@keyframes fadeInContent {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Secciones */
section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--text-dark);
  font-size: var(--font-size-2xl);
  position: relative;
  padding-bottom: var(--spacing-sm);
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: var(--color-primary);
}

.section-subtitle {
  text-align: center;
  margin-top: calc(-1 * var(--spacing-lg));
  margin-bottom: var(--spacing-lg);
  color: var(--text-muted);
}

/* Utilidades de texto */
.text-center {
  text-align: center !important;
}

.text-left {
  text-align: left !important;
}

.text-right {
  text-align: right !important;
}

.text-justify {
  text-align: justify !important;
}

.text-primary {
  color: var(--color-primary) !important;
}

.text-secondary {
  color: var(--color-secondary) !important;
}

.text-light {
  color: var(--text-light) !important;
}

.text-dark {
  color: var(--text-dark) !important;
}

.text-muted {
  color: var(--text-muted) !important;
}

/* Utilidades de fondo */
.bg-primary {
  background-color: var(--color-primary) !important;
}

.bg-secondary {
  background-color: var(--color-secondary) !important;
}

.bg-light {
  background-color: var(--color-accent) !important;
}

.bg-white {
  background-color: #fff !important;
}

/* Espaciados */
.mb-0 { margin-bottom: 0 !important; }
.mt-0 { margin-top: 0 !important; }

.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

/* Encabezados de página */
.page-header {
  background-color: var(--color-primary);
  color: var(--text-light);
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

.page-header h1 {
  margin: 0;
  color: var(--text-light);
}

.breadcrumbs {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.breadcrumbs a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: #fff;
  text-decoration: underline;
}

/* Accesibilidad */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.focus-visible:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Animaciones */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

/* Media queries generales */
@media (max-width: 1200px) {
  html {
    font-size: 15px;
  }
}

@media (max-width: 992px) {
  html {
    font-size: 14px;
  }
  
  h1 {
    font-size: calc(var(--font-size-3xl) * 0.9);
  }
  
  h2 {
    font-size: calc(var(--font-size-2xl) * 0.9);
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  section {
    padding: var(--spacing-lg) 0;
  }
  
  .section-title {
    margin-bottom: var(--spacing-lg);
  }
}

@media (max-width: 576px) {
  html {
    font-size: 13px;
  }
  
  h1 {
    font-size: calc(var(--font-size-3xl) * 0.8);
  }
  
  h2 {
    font-size: calc(var(--font-size-2xl) * 0.8);
  }
  
  h3 {
    font-size: calc(var(--font-size-xl) * 0.9);
  }
}

/* Reglas de impresión */
@media print {
  *,
  *::before,
  *::after {
    text-shadow: none !important;
    box-shadow: none !important;
  }
  
  a:not(.btn) {
    text-decoration: underline;
  }
  
  abbr[title]::after {
    content: " (" attr(title) ")";
  }
  
  pre {
    white-space: pre-wrap !important;
  }
  
  pre,
  blockquote {
    border: 1px solid #adb5bd;
    page-break-inside: avoid;
  }
  
  thead {
    display: table-header-group;
  }
  
  tr,
  img {
    page-break-inside: avoid;
  }
  
  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }
  
  h2,
  h3 {
    page-break-after: avoid;
  }
  
  .container {
    min-width: 992px !important;
  }
  
  .site-header,
  .site-footer,
  .no-print {
    display: none !important;
  }
}

/**
 * Estilos para navegación SPA (Single Page Application)
 * Optimizado para servidor web con transiciones ultra suaves
 */
#spa-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* Indicador de carga durante la navegación */
body.loading-content {
    cursor: progress;
}

/* Asegurar que el header y footer permanecen visibles durante transiciones */
.site-header, 
#site-footer-container {
    position: relative;
    z-index: 999;
}

/* Evitar flash de contenido no estilizado */
.site-header,
#main-nav-container,
#site-footer-container,
#main-content {
    backface-visibility: hidden;
    -webkit-font-smoothing: subpixel-antialiased;
    transform: translateZ(0);
    will-change: opacity;
}

/* Animación de carga en la parte superior */
body.loading-content::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
    animation: loading-progress 1.5s ease-in-out infinite;
    z-index: 9999;
}

@keyframes loading-progress {
    0% {
        width: 0;
        left: 0;
    }
    50% {
        width: 100%;
        left: 0;
    }
    100% {
        width: 0;
        left: 100%;
    }
}

/* Estilos anti-parpadeo para componentes */
.component-container {
    min-height: 10px;
    position: relative;
}

/* Estilos específicos para contenedores de componentes */
#site-header-container {
    position: relative;
    z-index: 1000; /* Mayor z-index para que esté por encima */
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    opacity: 1 !important;
    visibility: visible !important;
    min-height: 10px;
}

.site-header {
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.site-header.header-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

/* Asegurar que el header nunca sea fijo en la página de inicio */
body.home .site-header {
    position: relative !important;
    box-shadow: none !important;
    transform: none !important;
}

body.home .site-header.header-fixed {
    position: relative !important;
    transform: none !important;
}

.site-header.header-hidden {
    transform: translateY(-100%);
}

.site-header.header-visible {
    transform: translateY(0);
}

/* Estilo mejorado para la navegación */
.main-navigation {
    will-change: transform, opacity;
    transform: translateZ(0);
    backface-visibility: hidden;
}

.nav-menu {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
    list-style: none;
    justify-content: center;
    transition: none !important;
}

.nav-item {
    margin: 0 5px;
    position: relative;
}

.nav-link {
    display: block;
    padding: 10px 15px;
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.2s ease;
}

.nav-link:hover,
.nav-item.active .nav-link {
    color: var(--color-primary);
}

.nav-item.active .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 15%;
    width: 70%;
    height: 3px;
    background-color: var(--color-primary);
}

/* Navegación móvil optimizada */
@media (max-width: 991px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        display: none !important;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 20px 0;
        z-index: 999;
        overflow-y: auto;
        box-shadow: 0 10px 15px rgba(0,0,0,0.1);
        will-change: opacity, transform;
    }
    
    .nav-menu.active {
        display: flex !important;
        animation: menuFadeIn 0.3s ease forwards;
    }
    
    @keyframes menuFadeIn {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-item {
        width: 100%;
        margin: 0;
        text-align: center;
    }
    
    .nav-link {
        padding: 15px 20px;
        font-size: 1.1rem;
    }
    
    .nav-item.active .nav-link::after {
        left: 25%;
        width: 50%;
    }
}

/* Estilos para el sistema de carga de componentes */
body.loading-components {
    opacity: 0;
    visibility: visible !important;
}

/* Componentes prioritarios (header, nav) */
#site-header-container,
#main-nav-container {
    opacity: 1 !important;
    visibility: visible !important;
    z-index: 100;
    min-height: 10px;
    will-change: transform;
}

/* Indicador de carga de componentes */
#component-loading {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    z-index: 9999;
    animation: componentLoadingAnimation 2s infinite ease-in-out;
}

@keyframes componentLoadingAnimation {
    0% {
        transform: scaleX(0);
        transform-origin: left;
    }
    50% {
        transform: scaleX(0.7);
        transform-origin: left;
    }
    100% {
        transform: scaleX(0);
        transform-origin: right;
    }
}

/* Estilos para lazy loading de imágenes */
img.lazy {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img.loaded, img.lazy.loaded {
    opacity: 1;
}

.photo-container {
    background-color: #f0f0f0;
    position: relative;
}

.photo-container::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 4px solid #ddd;
    border-top-color: #dd3333;
    border-radius: 50%;
    animation: spin 1s infinite linear;
}

.photo-container img.loaded ~ .photo-container::before,
.photo-container img.loaded + .photo-container::before {
    display: none;
}

/* Clase adicional para ocultar el spinner cuando la imagen está cargada */
.photo-container.image-loaded::before {
    display: none;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Estilo para placeholders de imágenes */
.photo-container.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5;
    color: #888;
    font-style: italic;
    text-align: center;
    padding: 20px;
}

.photo-container.placeholder::before {
    display: none;
}

.photo-container.placeholder::after {
    content: 'Imagen pendiente';
    font-size: 14px;
}