/* EURO PREDICT IA - LAYOUT CSS V2.0
   Système de layout responsive et moderne
   Grid et Flexbox pour une structure optimale
*/

/* ==============================================
   CONTENEURS
   ============================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
}

.container-xl {
  max-width: 1280px;
}

.container-fluid {
  max-width: none;
  padding: 0 var(--space-4);
}

/* ==============================================
   GRID SYSTEM
   ============================================== */
.grid {
  display: grid;
  gap: var(--space-4);
}

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }

/* Grid responsive - Small */
@media (min-width: 640px) {
  .sm\\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .sm\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .sm\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sm\\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .sm\\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .sm\\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

/* Grid responsive - Medium */
@media (min-width: 768px) {
  .md\\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .md\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .md\\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .md\\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

/* Grid responsive - Large */
@media (min-width: 1024px) {
  .lg\\:grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .lg\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .lg\\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .lg\\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

/* ==============================================
   FLEXBOX SYSTEM
   ============================================== */
.flex { display: flex; }
.inline-flex { display: inline-flex; }

/* Direction */
.flex-row { flex-direction: row; }
.flex-row-reverse { flex-direction: row-reverse; }
.flex-col { flex-direction: column; }
.flex-col-reverse { flex-direction: column-reverse; }

/* Wrap */
.flex-wrap { flex-wrap: wrap; }
.flex-wrap-reverse { flex-wrap: wrap-reverse; }
.flex-nowrap { flex-wrap: nowrap; }

/* Justify content */
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

/* Align items */
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-stretch { align-items: stretch; }

/* Align content */
.content-start { align-content: flex-start; }
.content-end { align-content: flex-end; }
.content-center { align-content: center; }
.content-between { align-content: space-between; }
.content-around { align-content: space-around; }
.content-stretch { align-content: stretch; }

/* Flex grow/shrink */
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-initial { flex: 0 1 auto; }
.flex-none { flex: none; }

/* ==============================================
   LAYOUT SPÉCIFIQUES EURO PREDICT IA
   ============================================== */

/* Header principal */
.header {
  background-color: var(--color-neutral-50);
  border-bottom: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: var(--z-index-sticky);
  backdrop-filter: blur(8px);
  background-color: rgba(248, 250, 252, 0.9);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-colors);
}

.header-logo:hover {
  color: var(--color-primary-hover);
}

.header-nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

.header-nav a {
  color: var(--color-neutral-700);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
  transition: var(--transition-colors);
  position: relative;
}

.header-nav a:hover {
  color: var(--color-primary);
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: var(--transition-transform);
}

.header-nav a:hover::after {
  width: 100%;
}

/* Navigation mobile */
.header-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.header-menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-neutral-700);
  transition: var(--transition-transform);
}

/* Main layout */
.main {
  min-height: calc(100vh - 200px);
  padding: var(--space-8) 0;
}

.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Sidebar layout */
.layout-sidebar {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.sidebar {
  background-color: var(--color-neutral-50);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid var(--color-neutral-200);
  height: fit-content;
  position: sticky;
  top: calc(60px + var(--space-8));
}

.sidebar-section {
  margin-bottom: var(--space-6);
}

.sidebar-section:last-child {
  margin-bottom: 0;
}

.sidebar-title {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-neutral-600);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  color: var(--color-neutral-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: var(--transition-colors);
}

.sidebar-nav a:hover {
  background-color: var(--color-neutral-100);
  color: var(--color-primary);
}

.sidebar-nav a.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

/* ==============================================
   FOOTER
   ============================================== */
.footer {
  background-color: var(--color-neutral-900);
  color: var(--color-neutral-300);
  padding: var(--space-12) 0 var(--space-8);
  margin-top: auto;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-8);
}

.footer-section h3 {
  color: var(--color-neutral-50);
  font-size: var(--text-lg);
  margin-bottom: var(--space-4);
}

.footer-section a {
  color: var(--color-neutral-300);
  text-decoration: none;
  transition: var(--transition-colors);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-8);
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-neutral-700);
  color: var(--color-neutral-400);
  font-size: var(--text-sm);
}

/* ==============================================
   GRILLES SPÉCIFIQUES EUROMILLIONS
   ============================================== */

/* Grille de résultats */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

/* Grille de statistiques */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin: var(--space-6) 0;
}

/* Grille de prédictions */
.predictions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-6);
  margin: var(--space-6) 0;
}

/* ==============================================
   LAYOUT DE MONITORING
   ============================================== */
.monitoring-dashboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.monitoring-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-neutral-200);
  margin-bottom: var(--space-6);
}

.monitoring-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.monitoring-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-6);
}

/* ==============================================
   RESPONSIVE DESIGN
   ============================================== */

/* Mobile - jusqu'à 640px */
@media (max-width: 639px) {
  .container {
    padding: 0 var(--space-3);
  }
  
  .header-nav {
    display: none;
  }
  
  .header-menu-toggle {
    display: flex;
  }
  
  .layout-sidebar {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
    order: -1;
  }
  
  .monitoring-content {
    grid-template-columns: 1fr;
  }
  
  .header-content {
    flex-wrap: wrap;
  }
  
  .results-grid,
  .predictions-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Tablet - 640px à 1023px */
@media (min-width: 640px) and (max-width: 1023px) {
  .header-nav {
    display: flex;
  }
  
  .header-menu-toggle {
    display: none;
  }
  
  .layout-sidebar {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
  }
  
  .monitoring-content {
    grid-template-columns: 1fr;
  }
  
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop - 1024px et plus */
@media (min-width: 1024px) {
  .header-nav {
    display: flex;
  }
  
  .header-menu-toggle {
    display: none;
  }
  
  .layout-sidebar {
    grid-template-columns: 280px 1fr;
  }
  
  .sidebar {
    position: sticky;
  }
  
  .monitoring-content {
    grid-template-columns: 2fr 1fr;
  }
}

/* ==============================================
   SPACING UTILITIES
   ============================================== */
.gap-0 { gap: 0; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* ==============================================
   POSITION UTILITIES
   ============================================== */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* ==============================================
   VISIBILITY UTILITIES
   ============================================== */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none; }

@media (max-width: 639px) {
  .sm\\:hidden { display: none; }
  .sm\\:block { display: block; }
}

@media (min-width: 640px) {
  .md\\:hidden { display: none; }
  .md\\:block { display: block; }
}

@media (min-width: 1024px) {
  .lg\\:hidden { display: none; }
  .lg\\:block { display: block; }
}