/**
 * Componentes reutilizáveis - XSALT
 * Botões, cards, navbar, footer.
 */

/* ========== BUTTONS ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-primary);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background-color var(--transition-normal),
    color var(--transition-normal), box-shadow var(--transition-normal),
    transform var(--transition-normal);
  min-height: 44px;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-hover)
  );
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(
    135deg,
    var(--color-primary-hover),
    var(--color-accent)
  );
  color: #ffffff;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.btn-glass {
  background: rgba(56, 175, 218, 0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(56, 175, 218, 0.3);
  color: var(--color-primary);
}

.btn-glass:hover {
  background: rgba(56, 175, 218, 0.25);
  border-color: rgba(56, 175, 218, 0.4);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

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

/* ========== CARDS ========== */

.card-glass {
  position: relative;
  padding: var(--space-xl);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: background var(--transition-normal),
    border-color var(--transition-normal), box-shadow var(--transition-normal),
    transform var(--transition-normal);
}

.card-glass:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

.card-glass__icon {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.card-glass__title {
  margin-bottom: var(--space-sm);
}

.card-glass__text {
  margin-bottom: 0;
  font-size: var(--font-size-body);
}

/* ========== NAVBAR ========== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  border-bottom: 1px solid var(--glass-border);
  transition: box-shadow var(--transition-normal);
}

.navbar.scrolled {
  box-shadow: var(--shadow-sm);
}

.navbar__wrap {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  gap: 0;
}

.navbar__logo {
  display: block;
  height: 48px;
  width: auto;
}

.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-left: auto;
}

.navbar__link {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-small);
  color: var(--text-primary);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.navbar__link:hover {
  color: var(--color-primary);
  background: rgba(56, 175, 218, 0.08);
}

/* Seletor de idioma (Polylang) — desktop: ao lado da logo; mobile: à direita */
.navbar__lang {
  position: relative;
  flex-shrink: 0;
  margin-left: var(--space-md);
  margin-right: 0;
  z-index: 1002;
}

.navbar__lang-menu {
  position: relative;
}

.navbar__lang-current {
  list-style: none;
  min-width: 88px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0 var(--space-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-hover);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.navbar__lang-current:hover {
  border-color: var(--glass-border-hover);
  background: var(--bg-card);
}

/* Remove marcador padrão do <summary> (triângulo ▼) */
.navbar__lang-current::-webkit-details-marker {
  display: none;
}

.navbar__lang-current::marker {
  content: none;
}

.navbar__lang-current:focus {
  outline: none;
}

.navbar__lang-current:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.navbar__lang-flag {
  flex: 0 0 auto;
  line-height: 1;
  font-size: 1.125rem;
}

.navbar__lang-code {
  flex: 0 0 auto;
  white-space: nowrap;
  line-height: 1;
}

.navbar__lang-list {
  list-style: none;
  margin: 0;
  padding: var(--space-xs);
  position: absolute;
  right: 0;
  top: calc(100% + 6px);
  min-width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 1100;
}

.navbar__lang-menu[open] .navbar__lang-list {
  display: flex;
}

.navbar__lang-list li {
  list-style: none;
  margin: 0;
  padding: 0;
}

.navbar__lang-option {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-width: 88px;
  min-height: 36px;
  padding: 0 var(--space-sm);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-decoration: none;
  color: var(--text-primary);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.navbar__lang-option:hover,
.navbar__lang-option:focus-visible {
  background: rgba(56, 175, 218, 0.12);
  color: var(--color-primary);
}

.navbar__lang-option.is-active {
  background: rgba(56, 175, 218, 0.18);
  color: var(--color-primary);
}

.navbar__menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.navbar__menu-toggle:hover,
.navbar__menu-toggle:focus-visible {
  background: var(--bg-secondary);
  color: var(--color-primary);
}

.navbar__menu-toggle[aria-expanded="true"] .navbar__icon-open {
  display: none;
}

.navbar__menu-toggle[aria-expanded="true"] .navbar__icon-close {
  display: block;
}

.navbar__icon-close {
  display: none;
}

@media (max-width: 640px) {
  .navbar__logo {
    height: 40px;
  }

  .navbar__wrap {
    padding: 0 var(--space-md);
  }

  .navbar__inner {
    position: relative;
    z-index: 1001;
  }

  .navbar__brand,
  .navbar__menu-toggle {
    position: relative;
    z-index: 1002;
  }

  .navbar__menu-toggle {
    display: flex;
  }

  .navbar__nav {
    margin-left: 0;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    min-height: 100vh;
    min-height: 100dvh;
    bottom: 0;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: calc(var(--header-height) + var(--space-2xl));
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
    padding-bottom: var(--space-xl);
    gap: var(--space-md);
    background-color: #ffffff;
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: transform var(--transition-normal),
      opacity var(--transition-normal), visibility var(--transition-normal),
      pointer-events var(--transition-normal);
    z-index: 999;
  }

  .navbar__nav.is-open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background-color: #ffffff;
  }

  .navbar__link {
    font-size: var(--font-size-body);
    padding: var(--space-md);
    width: 100%;
    text-align: center;
    color: var(--text-primary);
  }

  .navbar__lang {
    margin-left: auto;
    margin-right: var(--space-xs);
  }

  .navbar__lang-current {
    min-width: 80px;
    min-height: 34px;
    font-size: 0.8125rem;
  }

  .navbar__lang-option {
    min-width: 80px;
    min-height: 34px;
    font-size: 0.8125rem;
  }
}

/* ========== FOOTER ========== */

.footer {
  background: #1a1a1a;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-3xl) 0 var(--space-xl);
}

.footer__inner {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.footer__top {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
  align-items: center;
  text-align: center;
}

.footer__brand {
  display: block;
  line-height: 0;
}

.footer__logo {
  display: block;
  height: 48px;
  width: auto;
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
}

.footer__link {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-primary);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.08);
}

.footer__bottom {
  margin-top: var(--space-2xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

.footer__bottom p {
  margin: 0;
}

@media (min-width: 768px) {
  .footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    gap: var(--space-xl);
  }

  .footer__brand {
    flex-shrink: 0;
  }

  .footer__nav-wrap {
    flex: 1;
    display: flex;
    justify-content: center;
  }

  .footer__nav {
    justify-content: center;
    margin: 0;
  }

  .footer__social {
    flex-shrink: 0;
  }
}

@media (max-width: 639px) {
  .footer__inner {
    padding: 0 var(--space-md);
  }

  .footer__logo {
    height: 40px;
  }
}

/* ========== FLOATING CALCULATOR BUTTON ========== */

.fab-calculator {
  position: fixed;
  right: var(--space-lg);
  bottom: var(--space-xl);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  min-width: 44px;
  min-height: 44px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-primary-hover)
  );
  color: #fff;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal),
    box-shadow var(--transition-normal);
  text-decoration: none;
}

.fab-calculator:hover {
  color: #fff;
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

.fab-calculator:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.fab-calculator iconify-icon {
  width: 28px;
  height: 28px;
}