/**
 * Advanced Form Design for Tessera Amoris
 * Modern, elegant, and sophisticated UX/UI patterns
 */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@300;400;500;600;700&family=Montserrat:wght@300;400;500;600;700&display=swap');

:root {
  --primary-gold: #D4AF37;
  --primary-dark: #0c1b33;
  --primary-light: #FFFFF0;
  --accent-warm: #8b7355;
  --text-primary: #1a1a1a;
  --text-secondary: #666;
  --border-light: #e8e8e8;
  --bg-light: #fafafa;
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Form Section Styling */
.form-section {
  padding: 3rem 2rem;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.form-section:last-child {
  border-bottom: none;
}

.form-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, var(--primary-gold), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.form-section.active::before {
  opacity: 1;
}

/* Section Title */
.section-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 28px;
  background: linear-gradient(to bottom, var(--primary-gold), var(--accent-warm));
  border-radius: 2px;
}

.section-subtitle {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-weight: 300;
  letter-spacing: 0.3px;
}

/* Field Group */
.field-group {
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.field-group.two-columns {
  grid-template-columns: 1fr 1fr;
}

.field-group.three-columns {
  grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 768px) {
  .field-group.two-columns,
  .field-group.three-columns {
    grid-template-columns: 1fr;
  }
}

/* Label Styling */
.form-label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  position: relative;
  padding-left: 12px;
}

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

.form-label.required::after {
  content: '*';
  color: #d9534f;
  margin-left: 4px;
  font-weight: 700;
}

/* Input Fields */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border-light);
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  color: var(--text-primary);
  background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
  transition: var(--transition-smooth);
  letter-spacing: 0.2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-warm);
  box-shadow: 0 0 0 4px rgba(139, 115, 85, 0.08), 0 6px 16px rgba(0, 0, 0, 0.08);
  background: #ffffff;
  transform: translateY(-2px);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #a0a0a0;
  font-weight: 300;
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: 'Montserrat', sans-serif;
}

/* Select Dropdown */
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b7355' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-select:hover {
  border-color: var(--primary-gold);
}

/* Radio and Checkbox */
.form-radio,
.form-checkbox {
  appearance: none;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-light);
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-smooth);
  background: #ffffff;
  position: relative;
}

.form-radio:checked,
.form-checkbox:checked {
  border-color: var(--primary-gold);
  background: var(--primary-gold);
}

.form-radio:checked::after,
.form-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 12px;
}

.form-radio {
  border-radius: 50%;
}

/* Field Wrapper */
.form-field {
  position: relative;
  margin-bottom: 1.5rem;
}

.form-field.error .form-input,
.form-field.error .form-select,
.form-field.error .form-textarea {
  border-color: #d9534f;
  box-shadow: 0 0 0 4px rgba(217, 83, 79, 0.08);
}

.form-field.success .form-input,
.form-field.success .form-select,
.form-field.success .form-textarea {
  border-color: #5cb85c;
}

.form-error-message {
  color: #d9534f;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-error-message::before {
  content: '⚠';
  font-size: 0.9rem;
}

.form-success-message {
  color: #5cb85c;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-success-message::before {
  content: '✓';
  font-size: 0.9rem;
}

/* Help Text */
.form-help-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
  font-weight: 300;
  letter-spacing: 0.2px;
}

/* Button Styling */
.form-button {
  padding: 14px 32px;
  border: none;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.form-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.form-button:active::before {
  width: 300px;
  height: 300px;
}

.form-button-primary {
  background: linear-gradient(135deg, var(--primary-gold), #c9a961);
  color: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(212, 175, 138, 0.3);
}

.form-button-primary:hover {
  box-shadow: 0 6px 20px rgba(212, 175, 138, 0.4);
  transform: translateY(-2px);
}

.form-button-secondary {
  background: transparent;
  color: var(--accent-warm);
  border: 2px solid var(--accent-warm);
}

.form-button-secondary:hover {
  background: var(--accent-warm);
  color: #ffffff;
}

/* Progress Indicator */
.form-progress {
  display: flex;
  gap: 8px;
  margin-bottom: 2rem;
  justify-content: center;
}

.form-progress-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-light);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.form-progress-dot.active {
  background: var(--primary-gold);
  width: 24px;
  border-radius: 4px;
}

/* Tooltip */
.form-tooltip {
  position: relative;
  display: inline-block;
  cursor: help;
  margin-left: 6px;
  width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  border-radius: 50%;
  background: var(--border-light);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 700;
}

.form-tooltip:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-dark);
  color: var(--primary-light);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 1001;
  font-weight: 400;
}

/* Animation */
@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.form-section {
  animation: slideInUp 0.5s ease-out;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .form-section {
    padding: 2rem 1.5rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .form-label {
    font-size: 0.9rem;
  }

  .form-input,
  .form-select,
  .form-textarea {
    padding: 12px 14px;
    font-size: 16px;
  }

  .form-button {
    padding: 12px 24px;
    font-size: 14px;
  }
}