/* ============================================
   FORMS — Input fields, validation, form layouts (Light Theme)
   ============================================ */

.form-group {
  margin-bottom: var(--space-xl);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 18px;
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.10);
  background: var(--color-white);
}

.form-input:hover,
.form-textarea:hover {
  border-color: var(--color-text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.6;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23777777' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 44px;
  cursor: pointer;
}

/* Validation states */
.form-group.error .form-input,
.form-group.error .form-textarea {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.08);
}

.form-group.success .form-input,
.form-group.success .form-textarea {
  border-color: var(--color-success);
}

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

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

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* --- Demo Access Form --- */
.demo-form {
  max-width: 460px;
  margin: 0 auto;
  padding: var(--space-3xl);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
}

.demo-form__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.demo-form__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  background: rgba(184, 134, 11, 0.08);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.demo-form__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-text);
}

.demo-form__subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  line-height: 1.6;
}

.demo-form__error {
  display: none;
  padding: var(--space-md) var(--space-lg);
  background: rgba(198, 40, 40, 0.06);
  border: 1px solid rgba(198, 40, 40, 0.2);
  border-radius: var(--border-radius-sm);
  color: var(--color-error);
  font-size: var(--text-sm);
  text-align: center;
  margin-bottom: var(--space-lg);
}

.demo-form__error.show {
  display: block;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

/* --- PIN Input --- */
.pin-input-group {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.pin-input {
  width: 60px;
  height: 68px;
  text-align: center;
  font-size: var(--text-xl);
  font-weight: 700;
  font-family: var(--font-display);
  background: var(--color-off-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  color: var(--color-text);
  outline: none;
  transition: all var(--transition-fast);
  -webkit-appearance: none;
  caret-color: var(--color-primary);
}

.pin-input:focus {
  border-color: var(--color-primary);
  background: var(--color-white);
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.10);
}

.pin-input.filled {
  border-color: var(--color-primary);
  background: rgba(184, 134, 11, 0.04);
}

.pin-input.error {
  border-color: var(--color-error);
  animation: shake 0.4s ease;
}

/* --- Booking Form Layout --- */
.booking-form {
  max-width: 560px;
  margin: 0 auto;
}

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

@media (max-width: 480px) {
  .form-row {
    grid-template-columns: 1fr;
  }

  .pin-input {
    width: 52px;
    height: 60px;
  }

  .demo-form {
    padding: var(--space-2xl);
  }
}