/* ========================================
   PADEL MVP - FORMULAIRE D'INSCRIPTION
   Optimisé pour responsive, accessibilité et UX
   Version 1.0 - Octobre 2025
   ======================================== */

/* ========================================
   VARIABLES (Sync avec design system)
   ======================================== */
:root {
  /* Couleurs principales */
  --padel-primary: #6D8B66;
  --padel-primary-hover: #5A7355;
  --padel-accent: #A3BF8F;
  --padel-secondary: #13402B;
  --padel-sand: #F3E9D2;
  --padel-sand-dark: #E5D8BE;
  
  /* États */
  --padel-success: #10B981;
  --padel-success-light: #D1FAE5;
  --padel-warning: #F59E0B;
  --padel-warning-light: #FEF3C7;
  --padel-error: #EF4444;
  --padel-error-light: #FEE2E2;
  
  /* Neutres */
  --padel-gray-50: #F9FAFB;
  --padel-gray-100: #F3F4F6;
  --padel-gray-200: #E5E7EB;
  --padel-gray-300: #D1D5DB;
  --padel-gray-500: #6B7280;
  --padel-gray-700: #374151;
  --padel-gray-900: #111827;
  
  /* Espacements */
  --spacing-xs: 0.25rem;  /* 4px */
  --spacing-sm: 0.5rem;   /* 8px */
  --spacing-md: 1rem;     /* 16px */
  --spacing-lg: 1.5rem;   /* 24px */
  --spacing-xl: 2rem;     /* 32px */
  --spacing-2xl: 3rem;    /* 48px */
  
  /* Border radius */
  --radius-sm: 0.375rem;  /* 6px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  
  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   CARTES DE CHOIX (Équipe / Solo)
   ======================================== */
.registration-choice-card {
  position: relative;
  padding: var(--spacing-xl);
  border: 2px solid var(--padel-gray-200);
  border-radius: var(--radius-xl);
  background: white;
  cursor: pointer;
  transition: all var(--transition-slow);
  overflow: hidden;
}

.registration-choice-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--padel-primary), var(--padel-accent));
  transform: scaleX(0);
  transition: transform var(--transition-slow);
}

.registration-choice-card:hover {
  transform: translateY(-8px);
  border-color: var(--padel-accent);
  box-shadow: var(--shadow-xl);
}

.registration-choice-card:hover::before {
  transform: scaleX(1);
}

.registration-choice-card .icon-wrapper {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--padel-primary), var(--padel-accent));
  transition: transform var(--transition-slow);
}

.registration-choice-card:hover .icon-wrapper {
  transform: scale(1.1) rotate(5deg);
}

.registration-choice-card .icon-wrapper i {
  font-size: 2rem;
  color: white;
}

/* ========================================
   FORMULAIRES
   ======================================== */
.registration-form-section {
  background: linear-gradient(135deg, var(--padel-gray-50) 0%, white 100%);
  padding: var(--spacing-xl);
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--padel-primary);
  margin-bottom: var(--spacing-lg);
}

.registration-form-section.player-2 {
  border-left-color: var(--padel-accent);
}

.registration-form-section h4 {
  color: var(--padel-primary);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.registration-form-section.player-2 h4 {
  color: var(--padel-accent);
}

/* ========================================
   CHAMPS DE FORMULAIRE
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--padel-gray-700);
  margin-bottom: var(--spacing-xs);
}

.form-label-required::after {
  content: ' *';
  color: var(--padel-error);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  color: var(--padel-gray-900);
  background-color: white;
  border: 2px solid var(--padel-gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--padel-primary);
  box-shadow: 0 0 0 3px rgba(109, 139, 102, 0.1);
}

.form-input:disabled,
.form-select:disabled {
  background-color: var(--padel-gray-100);
  color: var(--padel-gray-500);
  cursor: not-allowed;
}

.form-helper-text {
  font-size: 0.75rem;
  color: var(--padel-gray-500);
  margin-top: var(--spacing-xs);
}

/* ========================================
   BOUTONS TOGGLE (Licence FFT)
   ======================================== */
.license-toggle-group {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.license-toggle-btn {
  flex: 1;
  padding: 0.875rem 1rem;
  background: white;
  border: 2px solid var(--padel-gray-300);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--padel-gray-700);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.license-toggle-btn:hover:not(.active) {
  border-color: var(--padel-gray-400);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.license-toggle-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(109, 139, 102, 0.2);
}

/* État actif - "J'ai une licence" */
.license-toggle-btn.active.has-license {
  background: var(--padel-success-light);
  border-color: var(--padel-success);
  color: var(--padel-success);
  font-weight: 600;
  transform: scale(1.02);
}

/* État actif - "Pas de licence" */
.license-toggle-btn.active.no-license {
  background: var(--padel-warning-light);
  border-color: var(--padel-warning);
  color: #92400E;
  font-weight: 600;
  transform: scale(1.02);
}

.license-toggle-btn i {
  font-size: 1.125rem;
}

/* ========================================
   MESSAGES D'ALERTE
   ======================================== */
.license-warning-message {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--padel-warning-light);
  border: 1px solid var(--padel-warning);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-md);
}

.license-warning-message i {
  color: var(--padel-warning);
  font-size: 1.125rem;
}

.license-warning-message span {
  color: #92400E;
  font-size: 0.875rem;
  font-weight: 500;
}

/* ========================================
   BADGES DE STATUT
   ======================================== */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 600;
}

.status-badge.success {
  background: var(--padel-success);
  color: white;
}

.status-badge.warning {
  background: var(--padel-warning);
  color: white;
}

.status-badge.error {
  background: var(--padel-error);
  color: white;
}

/* ========================================
   BOUTONS D'ACTION
   ======================================== */
.btn-registration {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 1rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  min-height: 48px; /* WCAG touch target */
}

.btn-registration:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(109, 139, 102, 0.3), var(--shadow-md);
}

.btn-registration:active {
  transform: scale(0.98);
}

.btn-registration.primary {
  background: var(--padel-primary);
  color: white;
}

.btn-registration.primary:hover {
  background: var(--padel-primary-hover);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-registration.secondary {
  background: var(--padel-sand);
  color: var(--padel-secondary);
}

.btn-registration.secondary:hover {
  background: var(--padel-sand-dark);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

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

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounceGentle {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

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

.animate-slide-up {
  animation: slideUp 0.4s ease-out;
}

.animate-bounce-gentle {
  animation: bounceGentle 2s ease-in-out infinite;
}

/* ========================================
   RESPONSIVE (Mobile First)
   ======================================== */

/* Mobile (< 640px) */
@media (max-width: 639px) {
  .registration-choice-card {
    padding: var(--spacing-lg);
  }
  
  .registration-choice-card .icon-wrapper {
    width: 64px;
    height: 64px;
  }
  
  .registration-form-section {
    padding: var(--spacing-lg);
  }
  
  .license-toggle-group {
    flex-direction: column;
  }
  
  .btn-registration {
    width: 100%;
    padding: 0.875rem 1rem;
  }
}

/* Tablet (640px - 1023px) */
@media (min-width: 640px) and (max-width: 1023px) {
  .registration-choice-card {
    padding: var(--spacing-xl);
  }
  
  .registration-form-section {
    padding: var(--spacing-xl);
  }
}

/* Desktop (>= 1024px) */
@media (min-width: 1024px) {
  .registration-choice-card:hover {
    transform: translateY(-12px) scale(1.02);
  }
}

/* ========================================
   ACCESSIBILITÉ (WCAG)
   ======================================== */

/* Focus visible pour navigation clavier */
*:focus-visible {
  outline: 2px solid var(--padel-primary);
  outline-offset: 2px;
}

/* Préférence de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Mode sombre (optionnel pour future feature) */
@media (prefers-color-scheme: dark) {
  /* Désactivé pour l'instant - à implémenter si besoin */
}