/* ═══════════════════════════════════════════════════════════
   NAVIGATION.CSS — Marcadores de Página / Abas Laterais
   Livro Secreto de Operações — Davi Azevedo
═══════════════════════════════════════════════════════════ */

/* ─── Nav Panel Header ─── */
.nav-header {
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  border-bottom: 3px solid var(--ink);
  text-align: center;
  position: relative;
  background: rgba(240, 230, 200, 0.5);
}

.nav-header__seal {
  font-family: var(--font-title);
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--ink-red);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--spacing-xs);
}

.nav-header__logo {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--spacing-sm);
  border: 2px solid var(--ink-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: var(--parchment-dark);
  box-shadow: 2px 2px 0 var(--ink-gold);
}

.nav-header__title {
  font-family: var(--font-title);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}

/* ─── Mobile Toggle ─── */
.nav-mobile-toggle {
  display: none;
  width: 100%;
  padding: var(--spacing-md);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-title);
  font-size: 0.8rem;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.1em;
  justify-content: space-between;
  align-items: center;
}

@media (max-width: 768px) {
  .nav-mobile-toggle { display: flex; }
}

/* ─── Nav List ─── */
.nav-list {
  list-style: none;
  padding: var(--spacing-sm) 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

/* ─── Nav Item / Bookmark Tab ─── */
.nav-item {
  position: relative;
}

.nav-item__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px var(--spacing-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  border-right: 3px solid transparent;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-faded);
  text-decoration: none;
  user-select: none;
}

.nav-item__link:hover {
  background: rgba(26, 18, 9, 0.06);
  color: var(--ink);
  border-right-color: var(--ink-gold);
}

.nav-item__link.active {
  background: linear-gradient(90deg, rgba(184,132,30,0.15), rgba(184,132,30,0.05));
  color: var(--ink);
  font-weight: 700;
  border-right: 3px solid var(--ink-gold);
}

.nav-item__link.active .nav-item__icon {
  color: var(--ink-gold);
}

/* ─── Left Accent Strip ─── */
.nav-item__link.active::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--ink-gold);
}

/* ─── Icon ─── */
.nav-item__icon {
  font-size: 1rem;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

/* ─── Label ─── */
.nav-item__label {
  flex: 1;
  line-height: 1.2;
}

.nav-item__sublabel {
  display: block;
  font-size: 0.6rem;
  color: var(--ink-faded);
  font-family: var(--font-title);
  letter-spacing: 0.1em;
}

/* ─── Chapter Badge ─── */
.nav-item__chapter {
  font-family: var(--font-title);
  font-size: 0.55rem;
  font-weight: 700;
  color: var(--parchment-light);
  background: var(--ink);
  padding: 2px 5px;
  border-radius: 2px;
  flex-shrink: 0;
}

.nav-item__link.active .nav-item__chapter {
  background: var(--ink-gold);
  color: var(--ink);
}

/* ─── Section Divider in Nav ─── */
.nav-divider {
  height: 1px;
  background: var(--ink);
  opacity: 0.2;
  margin: var(--spacing-sm) var(--spacing-md);
}

.nav-section-label {
  font-family: var(--font-title);
  font-size: 0.55rem;
  font-weight: 700;
  color: var(--ink-red);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: var(--spacing-sm) var(--spacing-md) var(--spacing-xs);
}

/* ─── Sub-navigation (Sports) ─── */
.nav-sublist {
  list-style: none;
  display: none;
  flex-direction: column;
  background: rgba(26, 18, 9, 0.04);
  border-top: 1px solid rgba(26,18,9,0.1);
  border-bottom: 1px solid rgba(26,18,9,0.1);
}

.nav-sublist.open {
  display: flex;
}

.nav-subitem__link {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 8px var(--spacing-md) 8px calc(var(--spacing-md) + 28px);
  cursor: pointer;
  font-size: 0.72rem;
  color: var(--ink-faded);
  transition: all var(--transition-fast);
  user-select: none;
}

.nav-subitem__link:hover {
  color: var(--ink);
  background: rgba(26, 18, 9, 0.06);
}

.nav-subitem__link.active {
  color: var(--ink-red);
  font-weight: 600;
}

/* ─── Expand Arrow ─── */
.nav-item__arrow {
  font-size: 0.6rem;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.nav-item.open .nav-item__arrow {
  transform: rotate(90deg);
}

/* ─── Bookmark Tab (right side of book) ─── */
.bookmark-tabs {
  position: absolute;
  right: -28px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 3px;
  z-index: 20;
}

.bookmark-tab {
  width: 28px;
  height: 28px;
  border-radius: 0 4px 4px 0;
  border: 2px solid var(--ink);
  border-left: none;
  background: var(--parchment-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  transition: all var(--transition-fast);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.3);
}

.bookmark-tab:hover,
.bookmark-tab.active {
  background: var(--ink-gold);
  color: var(--ink);
}

/* ─── Bottom Nav Info ─── */
.nav-footer {
  margin-top: auto;
  padding: var(--spacing-md);
  border-top: 1px solid rgba(26,18,9,0.15);
  text-align: center;
}

.nav-footer__text {
  font-family: var(--font-title);
  font-size: 0.55rem;
  color: var(--ink-faded);
  letter-spacing: 0.1em;
  line-height: 1.5;
}

.nav-footer__seal {
  font-size: 1.2rem;
  display: block;
  margin-bottom: var(--spacing-xs);
  color: var(--ink-red);
}

/* ─── Mobile Touch Navigation Optimizations ─── */
@media (max-width: 768px) {
  .nav-panel {
    pointer-events: auto !important;
  }

  .nav-item__link {
    min-height: 48px;
    padding: 12px var(--spacing-md);
    font-size: 0.9rem;
    pointer-events: auto !important;
    cursor: pointer;
  }

  .nav-subitem__link {
    min-height: 44px;
    padding: 10px var(--spacing-md) 10px calc(var(--spacing-md) + 24px);
    font-size: 0.85rem;
    pointer-events: auto !important;
    cursor: pointer;
  }

  .nav-item__icon {
    font-size: 1.2rem;
    width: 24px;
  }

  .nav-section-label {
    font-size: 0.65rem;
    padding-top: var(--spacing-md);
  }
}