/* Style personnalisé Hamra Annaba - Section Échecs */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Cinzel:wght@600;700&display=swap');

:root {
  --color-hamra-red: #E00613;
  --color-hamra-red-hover: #C0040F;
  --color-hamra-red-light: #FEE2E2;
  --color-hamra-dark: #0F172A;
  --color-hamra-slate: #1E293B;
  --color-hamra-gold: #D97706;
}

html, body {
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Motif d'échiquier subtil pour le fond */
.bg-chessboard-subtle {
  background-color: #FAFAFA;
  background-image: 
    linear-gradient(45deg, rgba(224, 6, 19, 0.02) 25%, transparent 25%), 
    linear-gradient(-45deg, rgba(224, 6, 19, 0.02) 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, rgba(224, 6, 19, 0.02) 75%), 
    linear-gradient(-45deg, transparent 75%, rgba(224, 6, 19, 0.02) 75%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, -20px 0px;
}

/* Micro-interactions tactiles */
.btn-primary-bounce {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 14px 0 rgba(224, 6, 19, 0.35);
}

.btn-primary-bounce:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px 0 rgba(224, 6, 19, 0.45);
}

.btn-primary-bounce:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 2px 8px 0 rgba(224, 6, 19, 0.3);
}

.card-hover-lift {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease;
}

.card-hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px -4px rgba(15, 23, 42, 0.08);
}

/* Pulse badge pour Inscriptions Ouvertes */
@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 0.4; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.pulse-dot {
  animation: pulse-ring 2s infinite ease-in-out;
}

/* Safe area mobile */
.pb-safe {
  padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 5rem);
}

/* Styles pour les cadres et cartes photographiques */
.photo-card {
  position: relative;
  overflow: hidden;
  border-radius: 1.25rem;
  border: 1px solid rgba(226, 232, 240, 0.85);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
}

.photo-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px -4px rgba(15, 23, 42, 0.12);
  border-color: rgba(224, 6, 19, 0.3);
}

/* Zoom progressif de l'image interne au survol */
.img-zoom-target {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.group:hover .img-zoom-target,
.photo-card:hover .img-zoom-target {
  transform: scale(1.04);
}

/* Badge verre givré avec contraste maximal WCAG AA */
.glass-badge {
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Masque de dégradé pour lisibilité des légendes sur photos */
.photo-overlay-gradient {
  background: linear-gradient(180deg, rgba(2, 6, 23, 0) 40%, rgba(2, 6, 23, 0.88) 100%);
}