/* === FORMULAIRES DE BASE === */
.form {
  width: 100%;
  max-width: 600px;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

/* === LABELS === */
.form-label {
  display: block;
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  line-height: 1.2;
}

.form-label .required {
  color: var(--error-color);
  margin-left: 2px;
}

.optional {
  font-weight: 400;
  color: var(--text-color);
  opacity: 0.7;
  font-size: var(--font-xs);
}

/* === INPUTS === */
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-base);
  font-family: inherit;
  font-size: var(--font-base);
  color: var(--text-color);
  background: white;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-base);
  transition: var(--transition);
  outline: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 184, 217, 0.1);
}

.form-input:hover:not(:focus),
.form-textarea:hover:not(:focus),
.form-select:hover:not(:focus) {
  border-color: var(--accent-color);
  opacity: 0.8;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-color);
  opacity: 0.5;
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background: var(--secondary-color);
  color: var(--text-color);
  opacity: 0.6;
  cursor: not-allowed;
}

/* États d'erreur */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--error-color);
  box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

/* États de succès */
.form-input.success,
.form-textarea.success,
.form-select.success {
  border-color: var(--success-color);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

/* === TEXTAREA === */
.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}

/* === SELECT === */
.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 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-md) center;
  background-repeat: no-repeat;
  background-size: 16px 16px;
  padding-right: var(--spacing-3xl);
  cursor: pointer;
}

.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='%2300B8D9' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
}

/* === WRAPPERS D'INPUT === */
.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: var(--spacing-md);
  font-size: var(--font-lg);
  color: var(--text-color);
  opacity: 0.5;
  z-index: 2;
  pointer-events: none;
}

.input-wrapper .form-input {
  padding-left: var(--spacing-3xl);
}

.input-suffix {
  position: absolute;
  right: var(--spacing-md);
  font-size: var(--font-sm);
  color: var(--text-color);
  opacity: 0.7;
  pointer-events: none;
}

.input-wrapper .form-input.with-suffix {
  padding-right: var(--spacing-3xl);
}

/* === INPUTS SPÉCIALISÉS === */
.amount-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.amount-input {
  padding-right: var(--spacing-3xl);
}

.amount-currency {
  position: absolute;
  right: var(--spacing-base);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--primary-color);
  background: var(--secondary-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.password-input {
  position: relative;
  display: flex;
  align-items: center;
}

.password-toggle {
  position: absolute;
  right: var(--spacing-md);
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  color: var(--text-color);
  opacity: 0.7;
  font-size: var(--font-base);
}

.password-toggle:hover {
  background: var(--secondary-color);
  opacity: 1;
}

.password-input .form-input {
  padding-right: var(--spacing-3xl);
}

/* === GROUPES D'INPUT === */
.input-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-base);
}

.input-group .form-input {
  flex: 1;
}

/* === RANGES === */
input[type="range"] {
  flex: 1;
  height: 8px;
  background: var(--secondary-color);
  border-radius: var(--radius-full);
  outline: none;
  appearance: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  appearance: none;
  width: 24px;
  height: 24px;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

input[type="range"]::-moz-range-thumb {
  width: 24px;
  height: 24px;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  box-shadow: var(--shadow-sm);
}

.amount-display,
.duration-display {
  font-weight: 600;
  color: var(--primary-color);
  min-width: 80px;
  text-align: center;
  background: var(--secondary-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-base);
  border: 1px solid var(--border-color);
  font-size: var(--font-sm);
}

/* === CHECKBOXES ET RADIOS === */
.checkbox-label,
.radio-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  cursor: pointer;
  font-size: var(--font-sm);
  line-height: 1.5;
  color: var(--text-color);
}

.checkbox-custom,
.radio-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
  margin-top: 2px;
}

.radio-custom {
  border-radius: var(--radius-full);
}

input[type="checkbox"],
input[type="radio"] {
  display: none;
}

input[type="checkbox"]:checked + .checkbox-custom {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

input[type="checkbox"]:checked + .checkbox-custom::before {
  content: '✓';
  font-size: var(--font-xs);
  font-weight: 700;
}

input[type="radio"]:checked + .radio-custom {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

input[type="radio"]:checked + .radio-custom::before {
  content: '';
  width: 8px;
  height: 8px;
  background: white;
  border-radius: var(--radius-full);
}

.checkbox-label:hover .checkbox-custom,
.radio-label:hover .radio-custom {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(0, 184, 217, 0.1);
}

.checkbox-group {
  margin-bottom: var(--spacing-base);
}

/* === MESSAGES ET FEEDBACK === */
.form-help,
.form-hint {
  font-size: var(--font-xs);
  color: var(--text-color);
  opacity: 0.7;
  margin-top: var(--spacing-xs);
  line-height: 1.4;
}

.form-error {
  display: none;
  font-size: var(--font-xs);
  color: var(--error-color);
  margin-top: var(--spacing-xs);
  font-weight: 500;
}

.form-error.show {
  display: block;
}

.form-feedback {
  font-size: var(--font-xs);
  margin-top: var(--spacing-xs);
  font-weight: 500;
}

.form-feedback.success {
  color: var(--success-color);
}

.form-feedback.error {
  color: var(--error-color);
}

.form-feedback.warning {
  color: var(--warning-color);
}

/* === FORCE DU MOT DE PASSE === */
.password-strength {
  margin-top: var(--spacing-sm);
  opacity: 0;
  transition: var(--transition);
}

.password-strength.show {
  opacity: 1;
}

.strength-bar {
  height: 4px;
  background: var(--secondary-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-xs);
}

.strength-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: var(--transition);
  width: 0%;
}

.strength-text {
  font-size: var(--font-xs);
  font-weight: 500;
  color: var(--text-color);
  opacity: 0.7;
}

/* === ACTIONS DE FORMULAIRE === */
.form-actions {
  display: flex;
  gap: var(--spacing-base);
  align-items: center;
  justify-content: flex-end;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--border-color);
}

.form-actions.center {
  justify-content: center;
}

.form-actions.start {
  justify-content: flex-start;
}

.form-actions.between {
  justify-content: space-between;
}

/* === FORMULAIRES MULTI-ÉTAPES === */
.form-progress {
  margin-bottom: var(--spacing-2xl);
}

.progress-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  margin-bottom: var(--spacing-base);
}

.progress-steps::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--secondary-color);
  z-index: 1;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 2;
  background: white;
  padding: 0 var(--spacing-sm);
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--secondary-color);
  color: var(--text-color);
  opacity: 0.7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-sm);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  border: 2px solid var(--secondary-color);
  transition: var(--transition);
}

.step-label {
  font-size: var(--font-xs);
  font-weight: 500;
  color: var(--text-color);
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.step.active .step-number {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.1);
}

.step.active .step-label {
  color: var(--primary-color);
  font-weight: 600;
  opacity: 1;
}

.step.completed .step-number {
  background: var(--success-color);
  color: white;
  border-color: var(--success-color);
}

.step.completed .step-number::before {
  content: '✓';
  font-size: var(--font-xs);
}

.step.completed .step-label {
  color: var(--success-color);
  opacity: 1;
}

.progress-bar {
  height: 4px;
  background: var(--secondary-color);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-base);
}

.progress-fill {
  height: 100%;
  background: var(--primary-color);
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
  width: 0%;
}

/* === ÉTAPES DE FORMULAIRE === */
.form-step {
  display: none;
  animation: fadeIn 0.3s ease-in-out;
}

.form-step.active {
  display: block;
}

.step-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.step-title {
  font-size: var(--font-xl);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.step-description {
  font-size: var(--font-base);
  color: var(--text-color);
  opacity: 0.7;
  line-height: 1.5;
}

/* === UPLOAD DE FICHIERS === */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: var(--secondary-color);
}

.upload-area:hover,
.upload-area.drag-over {
  border-color: var(--accent-color);
  background: rgba(0, 184, 217, 0.05);
  transform: scale(1.02);
}

.upload-icon {
  font-size: var(--font-3xl);
  color: var(--accent-color);
  margin-bottom: var(--spacing-base);
}

.upload-text h4 {
  font-size: var(--font-lg);
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.upload-text p {
  font-size: var(--font-sm);
  color: var(--text-color);
  opacity: 0.7;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .form-row,
  .form-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-base);
  }
  
  .form-actions {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .form-actions .btn {
    width: 100%;
  }
  
  .progress-steps {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .progress-steps::before {
    display: none;
  }
  
  .step {
    padding: 0;
  }
  
  .input-group {
    flex-direction: column;
    align-items: stretch;
  }
  
  .amount-display,
  .duration-display {
    text-align: left;
    min-width: auto;
  }
}

@media (max-width: 480px) {
  .form-group {
    margin-bottom: var(--spacing-base);
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-sm);
  }
  
  .step-title {
    font-size: var(--font-lg);
  }
  
  .upload-area {
    padding: var(--spacing-lg);
  }
  
  .upload-icon {
    font-size: var(--font-2xl);
  }
  
  .checkbox-label,
  .radio-label {
    font-size: var(--font-xs);
  }
}