/**
 * FORM-DESIGN-OPTIMIZED.CSS
 * Otimizações de design, legibilidade e usabilidade do formulário
 */

/* ========== FORMULÁRIO CONTAINER ========== */
#contact-form {
  background: white;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  max-width: 700px;
  margin: 0 auto;
}

/* ========== PROGRESS BAR ========== */
.form-progress-bar {
  height: 8px;
  background: #f0f0f0;
  border-radius: 10px;
  margin-bottom: 40px;
  overflow: hidden;
}

#progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #D4AF8F 0%, #C4996F 100%);
  transition: width 0.4s ease;
  border-radius: 10px;
}

/* ========== FORM STEPS ========== */
.form-step {
  display: none;
  animation: slideIn 0.4s ease;
}

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

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ========== STEP HEADER ========== */
.form-step h3 {
  color: #1a1a1a;
  font-size: 24px;
  font-weight: 700;
  margin: 0 0 30px 0;
  line-height: 1.3;
}

.form-step p {
  color: #4a4a4a;
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 25px 0;
}

/* ========== RADIO BUTTONS ========== */
.form-group {
  margin-bottom: 25px;
}

.radio-group,
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.radio-option,
.checkbox-option {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 15px;
  border-radius: 10px;
  border: 2px solid #e0e0e0;
  transition: all 0.3s ease;
  background: #fafafa;
}

.radio-option:hover,
.checkbox-option:hover {
  border-color: #D4AF8F;
  background: #fff5f0;
  transform: translateX(5px);
}

.radio-option input[type="radio"]:checked + label,
.checkbox-option input[type="checkbox"]:checked + label {
  color: #D4AF8F;
  font-weight: 700;
}

.radio-option input[type="radio"]:checked,
.checkbox-option input[type="checkbox"]:checked {
  accent-color: #D4AF8F;
}

.radio-option input,
.checkbox-option input {
  width: 20px;
  height: 20px;
  margin-right: 15px;
  cursor: pointer;
}

.radio-option label,
.checkbox-option label {
  cursor: pointer;
  color: #2C2C2C;
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  flex: 1;
}

/* ========== TEXT INPUTS ========== */
.form-input-group {
  margin-bottom: 20px;
}

.form-input-group label {
  display: block;
  color: #1a1a1a;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 8px;
}

.form-input-group input {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #e0e0e0;
  border-radius: 10px;
  font-size: 15px;
  color: #1a1a1a;
  background: white;
  transition: all 0.3s ease;
  font-family: 'Poppins', sans-serif;
}

.form-input-group input:focus {
  outline: none;
  border-color: #D4AF8F;
  box-shadow: 0 0 0 3px rgba(212, 175, 143, 0.1);
}

.form-input-group input::placeholder {
  color: #999;
}

/* ========== FORM BUTTONS ========== */
.form-buttons {
  display: flex;
  gap: 15px;
  margin-top: 40px;
  justify-content: space-between;
}

#btn-prev,
#btn-next {
  padding: 14px 30px;
  border: none;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 140px;
}

#btn-prev {
  background: #f0f0f0;
  color: #1a1a1a;
  border: 2px solid #D4AF8F;
}

#btn-prev:hover:not(:disabled) {
  background: #e8e8e8;
  transform: translateX(-3px);
}

#btn-prev:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

#btn-next {
  background: linear-gradient(135deg, #D4AF8F 0%, #C4996F 100%);
  color: white;
  flex: 1;
  max-width: 300px;
  margin-left: auto;
}

#btn-next:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(212, 175, 143, 0.4);
}

#btn-next:active {
  transform: translateY(0);
}

/* ========== STEP COUNTER ========== */
.form-step-counter {
  text-align: center;
  color: #999;
  font-size: 13px;
  margin-top: 20px;
  font-weight: 600;
}

/* ========== ERROR MESSAGES ========== */
.form-error {
  background: #fff3cd;
  border-left: 4px solid #ff6b6b;
  color: #1a1a1a;
  padding: 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 600;
}

/* ========== RESPONSIVIDADE ========== */
@media (max-width: 768px) {
  #contact-form {
    padding: 30px 20px;
  }

  .form-step h3 {
    font-size: 20px;
  }

  .form-buttons {
    flex-direction: column;
  }

  #btn-prev,
  #btn-next {
    width: 100%;
    max-width: 100%;
  }

  .radio-option,
  .checkbox-option {
    padding: 12px;
  }

  .radio-option input,
  .checkbox-option input {
    width: 18px;
    height: 18px;
    margin-right: 12px;
  }
}

@media (max-width: 480px) {
  #contact-form {
    padding: 20px 15px;
    border-radius: 12px;
  }

  .form-step h3 {
    font-size: 18px;
    margin-bottom: 20px;
  }

  .form-step p {
    font-size: 14px;
  }

  .radio-option,
  .checkbox-option {
    padding: 10px;
    font-size: 14px;
  }

  .form-input-group input {
    padding: 12px 14px;
    font-size: 14px;
  }

  #btn-prev,
  #btn-next {
    padding: 12px 20px;
    font-size: 14px;
  }
}

/* ========== ACESSIBILIDADE ========== */
.form-input-group input:focus-visible {
  outline: 2px solid #D4AF8F;
  outline-offset: 2px;
}

#btn-prev:focus-visible,
#btn-next:focus-visible {
  outline: 2px solid #1a1a1a;
  outline-offset: 2px;
}

.radio-option:focus-within,
.checkbox-option:focus-within {
  outline: 2px solid #D4AF8F;
  outline-offset: 2px;
}

/* Reduz animações para usuários que preferem */
@media (prefers-reduced-motion: reduce) {
  .form-step,
  #btn-prev,
  #btn-next,
  .radio-option,
  .checkbox-option,
  .form-input-group input {
    animation: none;
    transition: none;
  }
}

/* Suporte para modo escuro */
@media (prefers-color-scheme: dark) {
  #contact-form {
    background: #1a1a1a;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  }

  .form-step h3 {
    color: #ffffff;
  }

  .form-step p {
    color: #e0e0e0;
  }

  .radio-option,
  .checkbox-option {
    background: #2a2a2a;
    border-color: #3a3a3a;
    color: #ffffff;
  }

  .radio-option:hover,
  .checkbox-option:hover {
    background: #3a3a3a;
    border-color: #D4AF8F;
  }

  .radio-option label,
  .checkbox-option label {
    color: #ffffff;
  }

  .form-input-group label {
    color: #ffffff;
  }

  .form-input-group input {
    background: #2a2a2a;
    border-color: #3a3a3a;
    color: #ffffff;
  }

  .form-input-group input:focus {
    border-color: #D4AF8F;
    box-shadow: 0 0 0 3px rgba(212, 175, 143, 0.2);
  }

  .form-input-group input::placeholder {
    color: #666;
  }

  #btn-prev {
    background: #2a2a2a;
    color: #ffffff;
  }

  #btn-prev:hover:not(:disabled) {
    background: #3a3a3a;
  }

  .form-error {
    background: #3a2a2a;
    color: #ffffff;
    border-left-color: #ff6b6b;
  }
}