/* CVthèque Suisse — Design Multi-Step Complet */
.cvts-form-container {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #64748b;
  --brand: #3b82f6;
  --brand-2: #1d4ed8;
  --brand-light: #dbeafe;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --border: #e2e8f0;
  --hover: #f8fafc;
  
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  max-width: 1000px;
  margin: 32px auto;
  padding: 0 16px;
}

.cvts-form {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 
    0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

/* Effet de fond décoratif */
.cvts-form::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(147, 51, 234, 0.1));
  border-radius: 50%;
  z-index: -1;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

/* En-tête */
.cvts-header {
  text-align: center;
  margin-bottom: 40px;
}

.cvts-header h2 {
  margin: 0 0 16px;
  font-size: clamp(24px, 5vw, 36px);
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}

.cvts-header p {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Barre de progression */
.cvts-progress-container {
  margin-bottom: 32px;
}

.cvts-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 20px;
}

.cvts-progress-fill {
  height: 100%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border-radius: 3px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.cvts-progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: progressShimmer 2s infinite;
}

@keyframes progressShimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Étapes de progression */
.cvts-progress-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.cvts-progress-step {
  text-align: center;
  padding: 12px 8px;
  border-radius: 12px;
  transition: all 0.3s ease;
  opacity: 0.6;
}

.cvts-progress-step.active {
  opacity: 1;
  background: var(--brand-light);
  color: var(--brand);
  transform: scale(1.05);
}

.cvts-progress-step .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--border);
  border-radius: 50%;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
  transition: all 0.3s ease;
}

.cvts-progress-step.active .step-number {
  background: var(--brand);
  color: white;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.cvts-progress-step .step-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.cvts-progress-step.active .step-label {
  color: var(--brand);
  font-weight: 600;
}

/* Étapes */
.cvts-step {
  display: none;
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.cvts-step.active {
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.cvts-step-visible {
  animation: slideInUp 0.6s ease forwards;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Sections */
.cvts-section {
  background: linear-gradient(145deg, #ffffff, #f8fafc);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  margin-bottom: 24px;
}

.cvts-section h3 {
  font-size: 24px;
  margin: 0 0 24px;
  padding: 0 0 16px;
  border-bottom: 2px solid var(--brand-light);
  color: var(--fg);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
}

.cvts-section .step-icon {
  font-size: 28px;
  display: inline-block;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* Grille */
.cvts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

/* Labels et inputs */
.cvts-form label {
  display: flex;
  flex-direction: column;
  font-size: 14px;
  font-weight: 500;
  gap: 8px;
  color: var(--fg);
  position: relative;
}

.cvts-form label.cvts-required::after {
  content: ' *';
  color: var(--error);
  font-weight: 600;
}

.cvts-form input[type="text"],
.cvts-form input[type="email"],
.cvts-form input[type="tel"],
.cvts-form input[type="number"],
.cvts-form input[type="date"],
.cvts-form select {
  border: 2px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  font-size: 14px;
  outline: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: #ffffff;
  font-family: inherit;
}

.cvts-form input:focus,
.cvts-form select:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
  transform: translateY(-1px);
}

.cvts-form input:hover:not(:focus),
.cvts-form select:hover:not(:focus) {
  border-color: var(--brand);
  background: var(--hover);
}

/* États d'erreur */
.cvts-field-error {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1) !important;
}

.cvts-error-message {
  color: var(--error);
  font-size: 12px;
  font-weight: 500;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.cvts-error-message::before {
  content: '⚠️';
  font-size: 14px;
}

/* Groupes de checkboxes */
.cvts-checkbox-group {
  margin-bottom: 24px;
  padding: 20px;
  border: 2px dashed var(--border);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.02), rgba(147, 51, 234, 0.02));
  transition: all 0.3s ease;
}

.cvts-checkbox-group.cvts-error {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.05);
}

.cvts-group-label {
  font-weight: 600;
  font-size: 16px;
  color: var(--fg);
  margin-bottom: 16px;
  display: block;
}

.cvts-checkboxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.cvts-checkboxes-grid {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* Checkboxes personnalisées */
.cvts-checkbox {
  display: flex !important;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 400 !important;
  flex-direction: row !important;
}

.cvts-checkbox:hover {
  background: var(--hover);
  border-color: var(--brand);
  transform: translateY(-1px);
}

.cvts-checkbox input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.cvts-checkbox .checkmark {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: #ffffff;
  position: relative;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.cvts-checkbox input:checked + .checkmark {
  background: var(--brand);
  border-color: var(--brand);
}

.cvts-checkbox input:checked + .checkmark::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 6px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.cvts-checkbox input:checked ~ * {
  color: var(--brand);
  font-weight: 500;
}

/* Messages d'erreur pour groupes */
.cvts-group-error-message {
  color: var(--error);
  font-size: 14px;
  font-weight: 500;
  margin-top: 12px;
  padding: 8px 12px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cvts-group-error-message::before {
  content: '❌';
  font-size: 16px;
}

/* Upload de fichier */
.cvts-form-group {
  margin-bottom: 24px;
}

.cvts-file-upload {
  position: relative;
}

.cvts-file-upload input[type="file"] {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 2;
}

.cvts-file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px;
  border: 2px dashed var(--brand-light);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.02), rgba(147, 51, 234, 0.02));
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.cvts-file-upload-label:hover,
.cvts-file-upload-label.cvts-drag-over {
  border-color: var(--brand);
  background: var(--brand-light);
  transform: scale(1.02);
}

.cvts-file-upload-label.cvts-file-selected {
  border-color: var(--success);
  background: rgba(16, 185, 129, 0.1);
}

.upload-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.upload-text {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 8px;
}

.upload-info {
  font-size: 14px;
  color: var(--muted);
}

/* Section de consentement */
.cvts-consent-section {
  background: linear-gradient(145deg, var(--hover), #f1f5f9);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  margin-top: 24px;
}

.cvts-consent-checkbox {
  display: flex !important;
  align-items: flex-start;
  gap: 16px;
  padding: 16px;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 16px;
  flex-direction: row !important;
}

.cvts-consent-checkbox:hover {
  background: var(--hover);
  border-color: var(--brand);
}

.cvts-consent-checkbox .consent-text {
  line-height: 1.5;
  color: var(--fg);
}

.cvts-consent-checkbox input:checked ~ .consent-text {
  color: var(--brand);
}

/* Navigation */
.cvts-navigation {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  gap: 16px;
}

.cvts-btn {
  padding: 16px 32px;
  border: 0;
  border-radius: 16px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
  min-width: 140px;
}

.cvts-btn-next,
.cvts-btn-submit {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #ffffff;
  box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.3);
}

.cvts-btn-secondary {
  background: var(--hover);
  color: var(--fg);
  border: 1px solid var(--border);
}

.cvts-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 0.5s;
}

.cvts-btn:hover {
  transform: translateY(-2px);
}

.cvts-btn-next:hover,
.cvts-btn-submit:hover {
  box-shadow: 0 8px 25px 0 rgba(59, 130, 246, 0.4);
}

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

.cvts-btn:active {
  transform: translateY(0);
  transition: transform 0.1s;
}

/* Messages d'alerte */
.cvts-restore-message {
  margin-bottom: 24px;
}

.cvts-alert {
  padding: 16px 20px;
  border-radius: 12px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.cvts-alert-info {
  background: var(--brand-light);
  color: var(--brand);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.cvts-alert-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: inherit;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.cvts-alert-close:hover {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .cvts-form {
    padding: 24px 16px;
    margin: 16px 8px;
    border-radius: 20px;
  }
  
  .cvts-progress-steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .cvts-progress-step .step-label {
    font-size: 11px;
  }
  
  .cvts-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .cvts-checkboxes,
  .cvts-checkboxes-grid {
    grid-template-columns: 1fr;
  }
  
  .cvts-checkbox {
    padding: 10px 12px;
  }
  
  .cvts-section {
    padding: 20px 16px;
  }
  
  .cvts-section h3 {
    font-size: 20px;
  }
  
  .cvts-navigation {
    flex-direction: column-reverse;
    gap: 12px;
  }
  
  .cvts-btn {
    width: 100%;
    padding: 18px;
  }
  
  .cvts-file-upload-label {
    padding: 24px 16px;
  }
  
  .upload-icon {
    font-size: 36px;
  }
}

@media (max-width: 480px) {
  .cvts-form {
    padding: 20px 12px;
  }
  
  .cvts-progress-steps {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  
  .cvts-progress-step {
    padding: 8px;
  }
  
  .cvts-progress-step .step-number {
    width: 28px;
    height: 28px;
    font-size: 12px;
    margin-bottom: 4px;
  }
  
  .cvts-header h2 {
    font-size: 24px;
  }
  
  .cvts-section h3 {
    font-size: 18px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* Mode sombre */
@media (prefers-color-scheme: dark) {
  .cvts-form-container {
    --bg: #1e293b;
    --fg: #f1f5f9;
    --muted: #94a3b8;
    --border: #334155;
    --hover: #0f172a;
  }
  
  .cvts-form input,
  .cvts-form select {
    background: var(--hover);
    color: var(--fg);
  }
  
  .cvts-section {
    background: linear-gradient(145deg, #1e293b, #0f172a);
  }
  
  .cvts-checkbox,
  .cvts-consent-checkbox {
    background: var(--hover);
  }
  
  .cvts-file-upload-label {
    background: linear-gradient(145deg, rgba(59, 130, 246, 0.1), rgba(147, 51, 234, 0.1));
  }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
  .cvts-form *,
  .cvts-form *::before,
  .cvts-form *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible pour accessibilité */
.cvts-form *:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}