/* ============================
   Navigation & Header Components
   Consolidated: All nav, header, footer styles
   This file contains ALL global navigation components
============================ */

/* ============================
   Site Header
============================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-height);
  background: color-mix(in srgb, var(--bg-header) 95%, transparent);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: var(--space-lg);
  height: 100%;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--text-header);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--primary) 8%, var(--card));
  border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--border));
  transition: all var(--transition-base);
}

.logo:hover {
  background: color-mix(in srgb, var(--primary) 12%, var(--card));
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* ============================
   Site Footer
============================ */

.site-footer {
  margin-top: var(--space-xl);
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--space-lg);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-nav {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.footer-nav a {
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.85rem;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-nav a:hover {
  background: color-mix(in srgb, var(--primary) 6%, var(--card));
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}

.footer-support {
  display: inline-block;
  margin-top: 0.65rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--primary);
  text-decoration: none;
  opacity: 0.85;
  transition: all var(--transition-base);
}

.footer-support:hover {
  opacity: 1;
  color: var(--positive);
  text-decoration: underline;
}

/* ============================
   Main Navigation
============================ */

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 0;
}

@media (width <= 1024px) {
  .main-nav {
    overflow: auto hidden;
    white-space: nowrap;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .main-nav::-webkit-scrollbar {
    display: none;
  }
}


.nav__link {
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-header);
  padding: 10px 14px;
  border-radius: var(--radius);
  white-space: nowrap;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
}

.nav__link:hover {
  background: color-mix(in srgb, var(--primary) 10%, var(--card));
  color: var(--primary);
}

.nav__link--highlight {
  color: var(--primary);
  font-weight: 700;
}

.nav-group {
  position: relative;
}

.nav-trigger {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-header);
  padding: 10px 14px;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: all var(--transition-fast);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  outline: none;
}

.nav-trigger:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 20%, transparent);
}

.nav-trigger::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentcolor;
  opacity: 0.6;
  transition: all var(--transition-fast);
}

.nav-trigger:hover,
.nav-group:hover .nav-trigger {
  background: color-mix(in srgb, var(--primary) 10%, var(--card));
  color: var(--primary);
}

.nav-group:focus-within .nav-trigger,
.nav-group.is-open .nav-trigger {
  background: color-mix(in srgb, var(--primary) 10%, var(--card));
  color: var(--primary);
}

.nav-group:hover .nav-trigger::after {
  transform: rotate(180deg);
  opacity: 1;
}

.nav-group:focus-within .nav-trigger::after,
.nav-group.is-open .nav-trigger::after {
  transform: rotate(180deg);
  opacity: 1;
}

html.dark .nav-trigger:hover {
  background: rgb(255 255 255 / 10%);
}

/* ============================
   Dropdown
============================ */

.nav-dropdown {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 100;
  min-width: 220px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-sm);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  pointer-events: none;
}

.nav-group:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-group:focus-within .nav-dropdown,
.nav-group.is-open .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.nav-group::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 16px;
}

.nav-dropdown a {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  padding: 10px 12px 10px 13px;
  border-radius: calc(var(--radius) - 4px);
  text-decoration: none;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  position: relative;
  overflow: hidden;
  outline: none;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  box-shadow: none;
  background: transparent;
  will-change: transform, opacity;
}

.nav-dropdown__item {
  display: block;
}

.nav-dropdown__title {
  display: block;
  font-weight: 600;
  line-height: 1.3;
}

.nav-dropdown__meta {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.78rem;
  line-height: 1.4;
  color: var(--muted);
}

.nav-dropdown__item--primary:not(.active) .nav-dropdown__title {
  font-weight: 700;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
  background: color-mix(in srgb, var(--primary) 8%, var(--card));
  color: var(--primary);
  transform: translateX(2px);
}

.nav-dropdown a:hover .nav-dropdown__meta,
.nav-dropdown a:focus-visible .nav-dropdown__meta {
  color: color-mix(in srgb, var(--primary) 78%, var(--muted));
}

.nav-dropdown a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: -2px;
  border-radius: calc(var(--radius) - 4px);
}

.nav-dropdown a.active {
  background: color-mix(in srgb, var(--primary) 12%, var(--card));
  border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--border));
  border-left-color: var(--primary);
  font-weight: 500;
  color: var(--primary);
  transform: translateX(2px);
}

.nav-dropdown a.active .nav-dropdown__title {
  font-weight: 700;
}

.nav-dropdown a.active .nav-dropdown__meta {
  color: color-mix(in srgb, var(--primary) 78%, var(--muted));
}

/* ============================
   Nav Section Separator
============================ */

.nav-section {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 10px 12px var(--space-xs);
  margin-top: var(--space-xs);
}

/* ============================
   Header Actions
============================ */

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.header-actions button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text-header);
  padding: 10px;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  position: relative;
  min-height: 44px;
  width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-actions .lang-selector {
  width: 64px;
}

.header-actions .lang-selector select {
  padding: 0;
  width: 100%;
  min-width: 60px;
  text-align: center;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  color: var(--text-header);
  cursor: pointer;
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  background-color: var(--input-bg);
}

html.dark .header-actions .lang-selector select {
  background-color: var(--card);
  color: var(--text);
}

.header-actions .lang-selector select option {
  background-color: var(--card);
  color: var(--text);
}

.header-actions .lang-selector select:hover {
  background: color-mix(in srgb, var(--primary) 8%, var(--card));
}

.header-actions button:hover {
  background: color-mix(in srgb, var(--primary) 8%, var(--card));
  transform: scale(1.05);
}

.header-actions button:active {
  transform: scale(0.95);
}

/* ============================
   Hamburguer Button
============================ */

.hamburger {
  width: 44px;
  height: 44px;
  padding: 0;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  box-shadow: none;
  min-height: unset;
}

/* Seletor específico para garantir que não aparece no desktop */
.header-actions .hamburger,
.hamburger {
  display: none !important;
}

.hamburger span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text-header);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.is-open span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ============================
   Drawer Overlay
============================ */

.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgb(0 0 0 / 50%);
  backdrop-filter: blur(2px);
  z-index: 1998;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.drawer-overlay.is-visible {
  display: block;
  opacity: 1;
}

/* ============================
   Drawer
============================ */

.drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--card);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  z-index: 1999;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-base);
  overflow: hidden;
  visibility: hidden; /* esconde completamente quando fora da tela */
}

.drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}


.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.drawer-logo {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.drawer-close {
  width: 32px;
  height: 32px;
  min-height: unset;
  padding: 0;
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.85rem;
  cursor: pointer;
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
}

.drawer-section {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  padding: 10px 12px 2px; /* compacto */
  margin-top: var(--space-xs);
}

.drawer-body a {
  display: block;
  padding: 8px 12px 8px 13px; /* compacto */
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
  border-radius: 8px;
  border: 1px solid transparent;
  border-left: 3px solid transparent;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  will-change: transform, opacity;
}

.drawer-body a:hover {
  background: color-mix(in srgb, var(--primary) 8%, var(--card));
  color: var(--primary);
  transform: translateX(2px);
}


.drawer-body a.nav__link--highlight {
  color: var(--primary);
  font-weight: 700;
}

.drawer-body a.active {
  background: color-mix(in srgb, var(--primary) 12%, var(--card));
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  border-left-color: var(--primary);
  color: var(--primary);
  font-weight: 500;
  transform: translateX(2px);
}

.drawer-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.drawer-footer select {
  width: 100%;
  font-size: 0.9rem;
}

/* ============================
   Mobile — 768px
============================ */

@media (width <= 768px) {
  /* Esconde nav desktop */
  .main-nav {
    display: none;
  }

  /* Mostra hamburguer (está dentro do header-actions) */
  .header-actions .hamburger,
  .hamburger {
    display: flex !important;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
  }

  /* logo | header-actions (PT + 🌙 + ☰) colado à direita */
  .header-inner {
    grid-template-columns: auto 1fr;
    gap: var(--space-sm);
  }

  .header-actions {
    gap: var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: flex-end;
  }

  .header-actions button {
    padding: 0;
    min-width: 44px;
    width: 44px;
    height: 44px;
    font-size: 1rem;
  }

  /* Compacta seletor de idioma mas mantém visível */
  .header-actions .lang-selector {
    width: 48px;
  }

  .header-actions .lang-selector select {
    min-width: 44px;
    font-size: 0.8rem;
    padding: 0 var(--space-xs);
  }
}

/* ============================
   Mobile — 480px
============================ */

@media (width <= 480px) {
  .logo {
    font-size: 0.95rem;
    padding: 6px 10px;
  }

  .header-inner {
    gap: var(--space-xs);
  }

  .header-actions button {
    min-width: 44px;
    width: 44px;
    height: 44px;
    font-size: 0.9rem;
  }
}

/* ============================
   Mobile — 380px
============================ */

@media (width <= 380px) {
  .logo {
    font-size: 1rem;
    padding: 10px 14px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    max-width: 160px;
  }

  /* Footer mobile */
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .footer-nav {
    justify-content: center;
  }

  .footer-nav a {
    padding: 12px 16px;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }
}

/* ============================
   Accessibility
============================ */

@media (prefers-reduced-motion: reduce) {
  .nav-dropdown,
  .nav-trigger,
  .nav-trigger::after,
  .nav-dropdown a,
  .header-actions button,
  .drawer,
  .drawer-overlay,
  .hamburger span {
    transition: none;
    animation: none;
  }

  .nav-group:hover .nav-dropdown {
    transform: none;
  }

  .nav-group:focus-within .nav-dropdown,
  .nav-group.is-open .nav-dropdown {
    transform: none;
  }
}