/* ========================================
   CHESSTENDO - FEUILLE DE STYLE COMMUNE
   Design inspiré de la page crédits
   ======================================== */

/* ========================================
   1. VARIABLES CSS (CUSTOM PROPERTIES)
   ======================================== */
:root {
  /* Couleurs principales */
  --primary-bg: linear-gradient(180deg, #000428 0%, #004e92 100%);
  --secondary-bg: rgba(255,255,255,0.05);
  --card-bg: rgba(255,255,255,0.03);
  --header-bg: rgba(0,4,40,0.9);
  
  /* Couleurs de texte */
  --text-primary: #fff;
  --text-secondary: rgba(255,255,255,0.8);
  --text-muted: rgba(255,255,255,0.6);
  
  /* Couleurs d'accent */
  --accent-gold: linear-gradient(45deg, #ffd700, #ffed4e);
  --accent-blue: #0089cf;
  --accent-red: #e60012;
  --accent-green: #107c10;
  --accent-purple: #003087;
  
  /* Ombres */
  --shadow-light: 0 2px 6px rgba(0,0,0,0.06);
  --shadow-medium: 0 4px 16px rgba(0,0,0,0.12);
  --shadow-heavy: 0 8px 32px rgba(0,0,0,0.3);
  --shadow-text: 0 4px 8px rgba(0,0,0,0.5);
  
  /* Bordures */
  --border-radius: 10px;
  --border-radius-large: 20px;
  --border-color: rgba(255,255,255,0.1);
  
  /* Espacements */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 40px;
  
  /* Tailles de police */
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 20px;
  --font-size-xxl: 24px;
  --font-size-title: 36px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Boutons (play, replay, compte…) */
  --accent-color: #e67e22;
}

.setup-btn {
  background: linear-gradient(135deg, var(--accent-color, #e67e22), #f1c40f);
  color: #111;
  border: none;
  padding: 12px 20px;
  border-radius: var(--border-radius);
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-medium);
  min-height: 44px;
  font-family: inherit;
}

.setup-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-heavy);
}

.setup-btn:active {
  transform: translateY(0);
}

.setup-btn.secondary {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  box-shadow: none;
}

.setup-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: none;
}

.setup-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

/* ========================================
   2. RESET ET BASE
   ======================================== */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--primary-bg);
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center top;
  background-color: #004e92; /* fallback sous une éventuelle image de fond */
  font: var(--font-size-base) Arial, sans-serif;
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
}

/* ========================================
   3. LAYOUT PRINCIPAL
   ======================================== */

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 5000;
  background: var(--header-bg);
  backdrop-filter: saturate(120%) blur(6px);
  box-shadow: var(--shadow-medium);
  overflow: visible;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  height: 64px;
}

/* Navigation */
.site-nav {
  display: flex;
  gap: 14px;
  align-items: center;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  transition: background var(--transition-normal);
  font: var(--font-size-base) Arial, sans-serif;
}

.nav-link:hover {
  background: rgba(255,255,255,0.1);
}

.nav-link.active {
  background: rgba(255,255,255,0.2);
  font-weight: bold;
}

.nav-link-mobile-only {
  display: none;
}

/* Logo */
.logo-link {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
}

.logo {
  height: 86px;
  width: 86px;
  object-fit: contain;
  display: block;
}

/* Lien d'authentification */
.auth-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-link-user {
  font-weight: bold;
  max-width: 220px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-link-user .nav-elo {
  font-weight: normal;
  color: #ffd700;
  margin-left: 4px;
  font-size: 0.92em;
}

/* Main content */
.site-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 64px var(--spacing-md) var(--spacing-xl);
  width: 100%;
}

/* Footer */
.site-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-color);
  background: rgba(0, 4, 40, 0.55);
  backdrop-filter: saturate(120%) blur(6px);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
}

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: var(--font-size-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color var(--transition-fast), background var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
}

.footer-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.12);
}

.footer-sep {
  color: var(--text-muted);
  opacity: 0.5;
}

.footer-copy {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  letter-spacing: 0.02em;
}

/* ========================================
   4. TYPOGRAPHIE
   ======================================== */

/* Titres principaux */
.page-title {
  margin: 0 0 var(--spacing-xxl);
  font: var(--font-size-title) Arial, sans-serif;
  text-align: center;
}

.page-title .title-text {
  text-shadow: var(--shadow-text);
  background: var(--accent-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Titres de section */
.section-title {
  margin: var(--spacing-lg) 0 var(--spacing-md);
  font: var(--font-size-xl) Arial, sans-serif;
  color: var(--text-primary);
  font-weight: bold;
}

.section-subtitle {
  margin: var(--spacing-md) 0 var(--spacing-sm);
  font: var(--font-size-lg) Arial, sans-serif;
  color: var(--text-secondary);
  font-weight: bold;
}

/* Paragraphes */
.text-content {
  margin: var(--spacing-sm) 0;
  line-height: 1.6;
  color: var(--text-secondary);
}

.text-muted {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ========================================
   5. COMPOSANTS DE CARTES
   ======================================== */

/* Container principal */
.card-container {
  background: var(--secondary-bg);
  border-radius: var(--border-radius-large);
  padding: var(--spacing-xxl);
  margin: var(--spacing-lg) 0;
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-heavy);
}

/* Cartes individuelles */
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-light);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

/* Sections de cartes avec bordures colorées */
.card-section {
  margin: var(--spacing-xxl) 0;
  padding: 30px;
  background: var(--card-bg);
  border-radius: 15px;
  border-left: 5px solid;
  position: relative;
  overflow: hidden;
}

.card-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
}

/* Variantes de couleurs pour les sections */
.card-section.nintendo { border-left-color: var(--accent-red); color: var(--accent-red); }
.card-section.playstation { border-left-color: var(--accent-purple); color: var(--accent-purple); }
.card-section.sega { border-left-color: var(--accent-blue); color: var(--accent-blue); }
.card-section.xbox { border-left-color: var(--accent-green); color: var(--accent-green); }

/* ========================================
   6. COMPOSANTS D'INTERFACE
   ======================================== */

/* Boutons */
.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--accent-gold);
  color: #000;
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: bold;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background: var(--secondary-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

/* Formulaires */
.form-group {
  margin: var(--spacing-md) 0;
}

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

.form-control {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: var(--card-bg);
  color: var(--text-primary);
  font-size: var(--font-size-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(0,137,207,0.2);
}

/* Listes */
.list-unstyled {
  list-style: none;
  padding: 0;
  margin: 0;
}

.list-item {
  margin: var(--spacing-xs) 0;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border-color);
}

.list-item:last-child {
  border-bottom: none;
}

/* ========================================
   7. COMPOSANTS SPÉCIFIQUES AU JEU
   ======================================== */

/* Grille de pièces */
.pieces-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

/* Carte de pièce */
.piece-card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.piece-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.piece-image {
  width: 100%;
  max-width: 200px;
  height: auto;
  border-radius: var(--border-radius);
  margin-bottom: var(--spacing-md);
}

.piece-name {
  font-size: var(--font-size-lg);
  font-weight: bold;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

.piece-description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

/* Badges et étiquettes */
.badge {
  display: inline-block;
  padding: 2px 8px;
  background: var(--accent-gold);
  color: #000;
  border-radius: 12px;
  font-size: var(--font-size-sm);
  font-weight: bold;
  margin: 6px 4px;
}

.badge-secondary {
  background: var(--secondary-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

/* Contrôles de tri et filtrage */
.controls {
  margin-bottom: var(--spacing-lg);
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.control-group label {
  display: inline-block;
  min-width: max-content;
  font-weight: bold;
  color: var(--text-primary);
}

/* ========================================
   8. ANIMATIONS ET EFFETS
   ======================================== */

/* Animation de fade in */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Animation de pulse */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Animation de rotation */
@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.rotate {
  animation: rotate 2s linear infinite;
}

/* ========================================
   9. UTILITAIRES
   ======================================== */

/* Espacements */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

/* Alignement */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Affichage */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

/* Largeur */
.w-100 { width: 100%; }
.w-auto { width: auto; }

/* ========================================
   10. RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 900px) {
  .header-inner {
    height: 56px;
    padding: 8px 12px;
  }

  .logo {
    height: 64px;
    width: 64px;
  }

  .site-nav {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 12px 16px;
    background: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 12px 28px rgba(0,0,0,0.35);
    max-height: calc(100vh - 56px);
    overflow-y: auto;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 5001;
  }

  body.nav-open .site-nav {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-nav .nav-link {
    padding: 14px 12px;
    min-height: 48px;
    display: flex;
    align-items: center;
    font-size: 16px;
  }

  .nav-link-desktop-only {
    display: none !important;
  }

  .nav-link-mobile-only {
    display: flex !important;
  }

  .auth-link {
    gap: 6px;
  }
}

@media (max-width: 768px) {
  .site-main {
    padding: 64px var(--spacing-sm) var(--spacing-lg);
  }
  
  .page-title {
    font-size: 28px;
  }
  
  .card-container {
    padding: var(--spacing-lg);
  }
  
  .pieces-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .control-group {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 24px;
  }
  
  .card {
    padding: var(--spacing-md);
  }
  
  .card-section {
    padding: var(--spacing-lg);
  }

  .logo {
    height: 56px;
    width: 56px;
  }
}

/* ========================================
   11. PRINT STYLES
   ======================================== */

@media print {
  body {
    background: white;
    color: black;
  }
  
  .site-header {
    display: none;
  }
  
  .card-container,
  .card {
    background: white;
    border: 1px solid #ccc;
    box-shadow: none;
  }
}