/* ========================================
   COMPOSANTS FORMULAIRES MODERNES 2025
   Style jovial avec animations et gradients
   ======================================== */

/* === FORMULAIRES DE BASE === */
.form-control {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.875rem 1rem;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  background: var(--color-surface);
  color: var(--color-text) !important;
  transition: all var(--transition-base);
  position: relative;
  box-shadow: var(--shadow-sm);
}

.form-control:focus {
  border: 2px solid transparent;
  background: linear-gradient(var(--color-surface), var(--color-surface)) padding-box,
              var(--gradient-primary) border-box;
  box-shadow: var(--shadow-primary), 0 0 0 4px rgba(79, 70, 229, 0.1);
  transform: translateY(-2px);
  outline: none;
}

/* === Compatibilité thèmes & auto-remplissage === */
input.form-control:-webkit-autofill,
textarea.form-control:-webkit-autofill,
select.form-select:-webkit-autofill {
  -webkit-text-fill-color: var(--color-text) !important;
  box-shadow: 0 0 0px 1000px var(--color-surface) inset !important;
  transition: background-color 5000s ease-in-out 0s;
}

.theme-dark .form-control,
.theme-dark .form-select {
  background: var(--color-surface) !important;
  color: var(--color-text) !important;
  border-color: var(--color-border) !important;
}

.theme-dark .form-control::placeholder {
  color: var(--color-text-light) !important;
}

.form-control:hover:not(:focus) {
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.form-control::placeholder {
  color: var(--color-text-muted) !important;
  font-weight: var(--font-weight-normal);
  transition: all var(--transition-base);
}

.form-control:focus::placeholder {
  color: var(--color-primary-400);
  transform: translateY(-2px);
}

/* === LABELS ANIMÉS === */
.form-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
  display: block;
  transition: all var(--transition-base);
  position: relative;
}

.form-label:hover {
  color: var(--color-primary);
  transform: translateX(2px);
}

.form-label::before {
  content: '';
  position: absolute;
  left: -8px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 0;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: height var(--transition-base);
}

.form-label:hover::before {
  height: 100%;
}

/* === GROUPES DE FORMULAIRES === */
.form-group {
  margin-bottom: var(--space-6);
  position: relative;
}

.form-group.has-icon {
  position: relative;
}

.form-group.has-icon .form-control {
  padding-left: 3rem;
}

.form-group.has-icon .form-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--font-size-lg);
  transition: all var(--transition-base);
  z-index: 2;
}

.form-group.has-icon:focus-within .form-icon {
  color: var(--color-primary);
  transform: translateY(-50%) scale(1.1);
}

/* === CHAMPS NON MODIFIABLES === */
.form-control:disabled,
.form-control[readonly],
.form-select:disabled,
.form-select[readonly] {
    background-color: var(--color-surface-hover) !important;
    color: var(--color-text-muted) !important;
    border-color: var(--color-border) !important;
    opacity: 0.9;
    cursor: not-allowed;
    box-shadow: none;
}

.form-control:disabled:focus,
.form-control[readonly]:focus,
.form-select:disabled:focus,
.form-select[readonly]:focus {
    border-color: var(--color-border) !important;
    box-shadow: none;
    background-color: var(--color-surface-hover) !important;
}

.form-control:disabled::placeholder,
.form-control[readonly]::placeholder {
    color: var(--color-text-muted) !important;
    opacity: 0.7;
}

/* === BOUTONS MODERNES === */
.btn {
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  padding: 0.875rem 2rem;
  border: none;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

.btn:active {
  transform: translateY(-1px);
}

/* Boutons primaires */
.btn-primary {
  background: var(--gradient-primary);
  color: var(--color-text-on-primary);
  border: 2px solid transparent;
}

.btn-primary:hover {
  box-shadow: var(--shadow-primary), var(--shadow-xl);
  color: var(--color-text-on-primary);
}

.btn-primary:focus {
  box-shadow: var(--shadow-primary), 0 0 0 4px rgba(79, 70, 229, 0.2);
}

/* Boutons secondaires */
.btn-secondary {
  background: var(--gradient-secondary);
  color: var(--color-text-on-primary);
  border: 2px solid transparent;
}

.btn-secondary:hover {
  box-shadow: var(--shadow-secondary), var(--shadow-xl);
  color: var(--color-text-on-primary);
}

/* Boutons outline */
.btn-outline-primary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline-primary:hover {
  background: var(--gradient-primary);
  color: var(--color-text-on-primary);
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

/* Boutons de taille */
.btn-sm {
  padding: 0.625rem 1.5rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 1.125rem 2.5rem;
  font-size: var(--font-size-lg);
}

.btn-xl {
  padding: 1.25rem 3rem;
  font-size: var(--font-size-xl);
}

/* === CHECKBOXES ET RADIOS MODERNES === */
.form-check {
  position: relative;
  margin-bottom: var(--space-4);
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: all var(--transition-base);
  position: relative;
  cursor: pointer;
}

.form-check-input:checked {
  background: var(--gradient-primary);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

.form-check-input:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-weight: bold;
  font-size: 0.75rem;
}

.form-check-input:hover {
  border-color: var(--color-primary-300);
  transform: scale(1.05);
}

.form-check-label {
  margin-left: var(--space-3);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
  cursor: pointer;
  transition: color var(--transition-base);
}

.form-check:hover .form-check-label {
  color: var(--color-primary);
}

/* === SELECTS MODERNES === */
.form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.75rem center;
  background-repeat: no-repeat;
  background-size: 1rem;
  padding-right: 2.5rem;
}

.form-select:focus {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%234F46E5' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
}

/* === VALIDATION VISUELLE === */
.form-control.is-valid {
  border-color: var(--color-success);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='%2310B981' viewBox='0 0 20 20'%3e%3cpath fill-rule='evenodd' d='M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z' clip-rule='evenodd'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  box-shadow: var(--shadow-success);
}

.form-control.is-invalid {
  border-color: var(--color-danger);
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='%23EF4444' viewBox='0 0 20 20'%3e%3cpath fill-rule='evenodd' d='M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z' clip-rule='evenodd'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  box-shadow: var(--shadow-danger);
}

.valid-feedback {
  color: var(--color-success);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.valid-feedback::before {
  content: '✓';
  font-weight: bold;
}

.invalid-feedback {
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-1);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.invalid-feedback::before {
  content: '⚠';
  font-weight: bold;
}

/* === GROUPES DE BOUTONS === */
.btn-group {
  display: inline-flex;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.btn-group .btn {
  border-radius: 0;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: none;
}

.btn-group .btn:first-child {
  border-top-left-radius: var(--radius-lg);
  border-bottom-left-radius: var(--radius-lg);
}

.btn-group .btn:last-child {
  border-top-right-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  border-right: none;
}

.btn-group .btn:hover {
  transform: none;
  box-shadow: none;
}

.btn-group:hover {
  box-shadow: var(--shadow-xl);
}

/* === FORMULAIRES COMPACTS === */
.form-floating {
  position: relative;
}

.form-floating .form-control {
  padding-top: 1.625rem;
  padding-bottom: 0.625rem;
}

.form-floating .form-label {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  padding: 1rem 0.75rem;
  pointer-events: none;
  border: 1px solid transparent;
  transform-origin: 0 0;
  transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
}

.form-floating .form-control:focus ~ .form-label,
.form-floating .form-control:not(:placeholder-shown) ~ .form-label {
  opacity: 0.65;
  transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* === ANIMATIONS D'ENTRÉE === */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.form-group {
  animation: slideInUp 0.6s ease-out;
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }
.form-group:nth-child(5) { animation-delay: 0.5s; }

.btn {
  animation: fadeInScale 0.8s ease-out;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .form-control {
    padding: 1rem;
    font-size: var(--font-size-lg);
  }
  
  .btn {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
    width: 100%;
  }
  
  .btn-group {
    width: 100%;
  }
  
  .btn-group .btn {
    flex: 1;
  }
}

/* === ACCESSIBILITÉ === */
@media (prefers-reduced-motion: reduce) {
  .form-control,
  .btn,
  .form-check-input,
  .form-label {
    transition: none;
  }
  
  .form-group {
    animation: none;
  }
  
  .btn::before {
    display: none;
  }
}

/* Focus visible pour les utilisateurs au clavier */
.form-control:focus-visible,
.btn:focus-visible,
.form-check-input:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}