/**
 * 3iS Theme - Layouts
 * 
 * @package 3iS_Theme
 * @version 1.0.2
 */

/* Layout principal */
.site {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  background-color: var(--3is-white);
  border-bottom: 1px solid var(--3is-gray-200);
  box-shadow: var(--shadow-sm);
  display: none;
}

.site-main {
  flex: 1;
}

.site-footer {
  background-color: var(--footer-bg-color);
  color: var(--footer-text-color);
  padding: var(--footer-padding);
  margin-top: auto;
}

/* Header */
.header-container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

.header-logo img {
  height: 40px;
  width: auto;
}

.header-logo-text {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--3is-black);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-6);
}

.header-nav .nav-link {
  color: var(--3is-gray-700);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: var(--transition-colors);
}

.header-nav .nav-link:hover {
  color: var(--universe-color);
}

.header-nav .nav-link.active {
  color: var(--universe-color);
}

/* Navigation mobile */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-2);
}

.mobile-menu-toggle .hamburger {
  width: 24px;
  height: 2px;
  background-color: var(--3is-black);
  position: relative;
  transition: var(--transition-all);
}

.mobile-menu-toggle .hamburger::before,
.mobile-menu-toggle .hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--3is-black);
  transition: var(--transition-all);
}

.mobile-menu-toggle .hamburger::before {
  top: -8px;
}

.mobile-menu-toggle .hamburger::after {
  top: 8px;
}

.mobile-menu-toggle.active .hamburger {
  background-color: transparent;
}

.mobile-menu-toggle.active .hamburger::before {
  transform: rotate(45deg);
  top: 0;
}

.mobile-menu-toggle.active .hamburger::after {
  transform: rotate(-45deg);
  top: 0;
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--3is-white);
  border-bottom: 1px solid var(--3is-gray-200);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-4);
}

.mobile-menu.active {
  display: block;
}

.mobile-menu .nav {
  flex-direction: column;
  gap: var(--spacing-4);
}

/* Layout des pages */
.page-header {
  background-color: var(--3is-gray-50);
  padding: var(--spacing-16) 0;
  text-align: center;
}

.page-header .container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0;
}

.page-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--3is-black);
  margin: 0 0 var(--spacing-4) 0;
}

.page-subtitle {
  font-size: var(--font-size-lg);
  color: var(--3is-gray-600);
  margin: 0;
}

/* Layout des articles */
.article-header {
  margin-bottom: var(--spacing-8);
  text-align: center;
}

.article-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--3is-black);
  margin: 0 0 var(--spacing-4) 0;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--3is-gray-600);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.article-footer {
  margin-top: var(--spacing-8);
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--3is-gray-200);
}

/* Layout des landing pages */
.landing-page {
  background-color: var(--3is-white);
}

.landing-page .site-header {
  display: none;
}

.landing-page .site-main {
  padding: 0;
}

.landing-page .site-footer {
  margin-top: 0;
}

.landing-page-content {
  width: 100%;
}

/* Sections de contenu */
.content-section {
  padding: var(--spacing-16) 0;
}

.content-section:nth-child(even) {
  background-color: var(--3is-gray-50);
}

.content-section .container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-12);
}

.section-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--3is-black);
  margin: 0 0 var(--spacing-4) 0;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--3is-gray-600);
  margin: 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.section-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-8);
}

/* Grille de cartes */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-6);
}

.cards-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.cards-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.cards-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Grille de colonnes */
.columns-grid {
  display: grid;
  gap: var(--spacing-8);
}

.columns-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.columns-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.columns-grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Layout en sidebar */
.sidebar-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-8);
}

.sidebar-layout .main-content {
  min-width: 0;
}

.sidebar-layout .sidebar {
  background-color: var(--3is-gray-50);
  padding: var(--spacing-6);
  border-radius: var(--radius-lg);
  height: fit-content;
}

/* Layout en deux colonnes */
.two-column-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-8);
  align-items: start;
}

.two-column-layout .column {
  min-width: 0;
}

/* Layout en trois colonnes */
.three-column-layout {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-8);
  align-items: start;
}

.three-column-layout .column {
  min-width: 0;
}

/* Layout en quatre colonnes */
.four-column-layout {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-6);
  align-items: start;
}

.four-column-layout .column {
  min-width: 0;
}

/* Layout en six colonnes */
.six-column-layout {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--spacing-4);
  align-items: start;
}

.six-column-layout .column {
  min-width: 0;
}

/* Layout centré */
.centered-layout {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.centered-layout-wide {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Layout plein écran */
.full-width-layout {
  width: 100%;
  margin: 0;
  padding: 0;
}

/* Layout avec conteneur */
.container-layout {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* Layout des formulaires */
.form-layout {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-8);
  background-color: var(--3is-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.form-layout-wide {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-8);
  background-color: var(--3is-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

/* Layout des modales */
.modal-layout {
  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: var(--z-index-modal);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-all);
}

.modal-layout.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background-color: var(--3is-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2xl);
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: var(--transition-transform);
}

.modal-layout.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--3is-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--3is-black);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--3is-gray-500);
  cursor: pointer;
  padding: var(--spacing-2);
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
}

.modal-close:hover {
  color: var(--3is-gray-700);
  background-color: var(--3is-gray-100);
}

.modal-body {
  padding: var(--spacing-6);
}

.modal-footer {
  padding: var(--spacing-6);
  border-top: 1px solid var(--3is-gray-200);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-4);
}

/* Responsive */
@media (max-width: 1024px) {
  .sidebar-layout {
    grid-template-columns: 1fr;
  }
  
  .three-column-layout {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .four-column-layout {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .six-column-layout {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .header-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .two-column-layout {
    grid-template-columns: 1fr;
  }
  
  .three-column-layout {
    grid-template-columns: 1fr;
  }
  
  .four-column-layout {
    grid-template-columns: 1fr;
  }
  
  .six-column-layout {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cards-grid-2,
  .cards-grid-3,
  .cards-grid-4 {
    grid-template-columns: 1fr;
  }
  
  .section-content {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    width: 95%;
    margin: var(--spacing-4);
  }
}

@media (max-width: 480px) {
  .six-column-layout {
    grid-template-columns: 1fr;
  }
  
  .modal-content {
    width: 100%;
    margin: var(--spacing-2);
    border-radius: var(--radius-md);
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--spacing-4);
  }
}