/* Register page - Multi-step form */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #4a90e2;
  --primary-dark: #357abd;
  --secondary: #6c757d;
  --success: #28a745;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  --border: #dee2e6;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: var(--light);
  color: var(--dark);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
header {
  background: white;
  padding: 1rem 2rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header h1 {
  color: var(--primary);
  font-size: 1.5rem;
}

/* Register container */
.register-container {
  max-width: 700px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* Stepper */
.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  padding: 1rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  position: relative;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--border);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

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

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

.step-label {
  font-size: 0.75rem;
  color: var(--secondary);
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
}

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

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

.step-line {
  flex: 1;
  height: 2px;
  background: var(--border);
  margin: 0 0.5rem;
  margin-bottom: 1.5rem;
  min-width: 30px;
}

.step-line.completed {
  background: var(--success);
}

/* Step content */
.step-content {
  display: none;
}

.step-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Form container */
.form-container {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.form-container h2 {
  margin-bottom: 0.5rem;
  color: var(--dark);
  font-size: 1.4rem;
}

.step-description {
  color: var(--secondary);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

/* Form groups */
.form-group {
  margin-bottom: 1.25rem;
  position: relative;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.15);
}

.help-text {
  font-size: 0.8rem;
  color: var(--secondary);
  margin-top: 0.4rem;
  font-style: italic;
}

/* Autocomplete */
.autocomplete-results {
  position: absolute;
  width: 100%;
  background: white;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 8px 8px;
  max-height: 250px;
  overflow-y: auto;
  z-index: 100;
  display: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.autocomplete-results.visible {
  display: block;
}

.autocomplete-item {
  padding: 0.75rem 1rem;
  cursor: pointer;
  border-bottom: 1px solid #f0f0f0;
  transition: background 0.2s;
}

.autocomplete-item:hover {
  background: #e3f2fd;
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item-name {
  font-weight: 600;
  color: var(--dark);
  font-size: 0.95rem;
}

.autocomplete-item-details {
  font-size: 0.8rem;
  color: var(--secondary);
  margin-top: 0.15rem;
}

/* Selected card */
.selected-card {
  background: #e8f5e9;
  border: 2px solid var(--success);
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.selected-card-info h3 {
  font-size: 1rem;
  color: var(--dark);
  margin-bottom: 0.25rem;
}

.selected-card-info p {
  font-size: 0.85rem;
  color: var(--secondary);
}

/* Map */
#map-container {
  margin-top: 1rem;
  border-radius: 8px;
  overflow: hidden;
  border: 2px solid var(--border);
}

#map {
  height: 200px;
  width: 100%;
}

/* Classes list */
.classes-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.classe-item {
  padding: 1rem;
  border: 2px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.classe-item:hover {
  border-color: var(--primary);
  background: rgba(74, 144, 226, 0.05);
}

.classe-item.selected {
  border-color: var(--primary);
  background: #e3f2fd;
}

.classe-item-name {
  font-weight: 600;
  color: var(--dark);
}

.classe-item-info {
  font-size: 0.8rem;
  color: var(--secondary);
}

/* Separator */
.separator {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
}

.separator::before,
.separator::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.separator span {
  padding: 0 1rem;
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

/* Info message */
.info-message {
  background: #e3f2fd;
  border-left: 4px solid var(--primary);
  padding: 1rem;
  border-radius: 4px;
  margin: 1rem 0;
  font-size: 0.9rem;
  color: var(--dark);
}

/* Summary */
.summary-card {
  background: var(--light);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem 0;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.summary-row:last-child {
  border-bottom: none;
}

.summary-label {
  font-weight: 600;
  color: var(--secondary);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.summary-value {
  font-weight: 500;
  color: var(--dark);
}

/* Buttons */
.btn-primary, .btn-secondary {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.3s;
  text-decoration: none;
  display: inline-block;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(74, 144, 226, 0.3);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: white;
  color: var(--secondary);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  background: var(--light);
  border-color: var(--secondary);
}

.btn-sm {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

.btn-large {
  padding: 0.875rem 2rem;
  font-size: 1.05rem;
}

/* Step actions */
.step-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 1.5rem;
  gap: 1rem;
}

/* Username feedback */
.username-feedback {
  font-size: 0.8rem;
  margin-top: 0.4rem;
  min-height: 1.2em;
}

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

.username-feedback.unavailable {
  color: var(--danger);
}

.username-feedback.checking {
  color: var(--secondary);
}

.loading-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  vertical-align: middle;
  margin-right: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Success state */
.success-container {
  text-align: center;
  padding: 3rem 2rem;
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.success-icon {
  width: 70px;
  height: 70px;
  background: var(--success);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1.5rem;
}

.success-container h2 {
  color: var(--dark);
  margin-bottom: 0.75rem;
}

.success-container p {
  color: var(--secondary);
  margin-bottom: 1rem;
}

/* Pre-filled info (from invite link) */
.prefilled-info {
  background: #f3e5f5;
  border: 2px solid #ce93d8;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.prefilled-info h3 {
  font-size: 0.9rem;
  color: #7b1fa2;
  margin-bottom: 0.5rem;
}

.prefilled-info p {
  font-size: 0.85rem;
  color: var(--dark);
}

/* Responsive */
@media (max-width: 600px) {
  .register-container {
    padding: 0 0.5rem;
    margin: 1rem auto;
  }

  .stepper {
    padding: 0.5rem;
  }

  .step-label {
    font-size: 0.65rem;
  }

  .step-number {
    width: 30px;
    height: 30px;
    font-size: 0.8rem;
  }

  .form-container {
    padding: 1.25rem;
  }

  .form-container h2 {
    font-size: 1.2rem;
  }

  .step-actions {
    flex-direction: column-reverse;
  }

  .step-actions .btn-primary,
  .step-actions .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .summary-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.25rem;
  }
}