/**
 * ARVEN VENDING - DYNAMIC STYLES
 * Estilos dinâmicos gerados via JavaScript
 * Header scroll effects, navigation overlay, page transitions
 */

/* Header scroll effects */
.header.scrolled {
  background-color: var(--white);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.header.header--hidden {
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

/* Navigation overlay */
.nav__overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 999;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav__overlay.active {
  opacity: 1;
}

/* Form error states - APENAS QUANDO ATIVO */
.form__input.error {
  border-color: var(--error-color);
  background-color: #fff5f5;
}

/* Campos normais - sem estilo de erro */
.form__input:not(.error) {
  border-color: var(--gray-300);
  background-color: var(--white);
}

.form__error {
  color: var(--error-color);
  font-size: 0.875rem;
  margin-top: 0.25rem;
}

/* Loading states */
.btn__loading {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Page transitions */
.page-transition {
  transition: opacity 0.3s ease-out, transform 0.3s ease-out;
}

.page-exit {
  opacity: 0;
  transform: translateY(-10px);
}

/* Animation classes */
.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Number animation */
.animate-number.animating {
  text-shadow: 0 0 10px rgba(212, 175, 55, 0.8);
  transition: text-shadow 0.3s ease;
}

/* Body lock for mobile menu */
body.mobile-menu-open {
  overflow: hidden;
  position: fixed;
  top: 0;
  width: 100%;
  height: 100%;
}

/* Active navigation link */
.nav__link.active {
  color: var(--secondary-color);
  font-weight: 600;
}

.nav__link.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--secondary-color);
}

/* Form success state */
.form-success {
  display: none;
  background-color: var(--success-color);
  color: var(--white);
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
  margin-top: 1rem;
}

.form-success.show {
  display: block;
  animation: fadeInUp 0.6s ease-out;
}