/* Cabeçalho */
.site-header {
  padding: 12px 0 6px;
  background: rgba(255, 255, 255, 0.9);
  background: color-mix(in srgb, var(--page) 90%, transparent);
  backdrop-filter: blur(14px);
}

.nav-shell {
  padding: 11px 18px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 17px;
  box-shadow: var(--shadow);
}

.navbar-brand {
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 700;
}

.navbar-brand:hover {
  color: var(--accent);
}

.nav-link {
  color: var(--text);
  font-size: 0.9rem;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--accent);
}

.treatments-dropdown .dropdown-menu {
  min-width: 245px;
  padding: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.treatments-dropdown .dropdown-item {
  padding: 9px 12px;
  color: var(--text);
  border-radius: 9px;
  font-size: 0.88rem;
}

.treatments-dropdown .dropdown-item:hover,
.treatments-dropdown .dropdown-item:focus,
.treatments-dropdown .dropdown-item.active {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 18%, transparent);
}

.treatments-dropdown .dropdown-overview {
  font-weight: 700;
}

.treatments-dropdown .dropdown-divider {
  border-color: var(--line);
}

.navbar-toggler {
  border-color: var(--line);
}

html[data-theme="dark"] .navbar-toggler-icon {
  filter: invert(1);
}

.nav-actions {
  margin-left: auto;
}

.theme-toggle {
  display: grid;
  width: 40px;
  height: 32px;
  color: var(--text);
  background: var(--page);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  place-items: center;
}

.theme-toggle .moon {
  display: none;
  font-size: 1.2rem;
}

html[data-theme="dark"] .theme-toggle .sun {
  display: none;
}

html[data-theme="dark"] .theme-toggle .moon {
  display: inline;
}

/* Botões */
.btn {
  padding: 0.7rem 1.25rem;
  border: 0;
  border-radius: 999px;
  font-weight: 600;
}

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.875rem;
}

.btn-gold {
  color: #3d493e;
  background: var(--gold);
  box-shadow: 0 6px 16px rgba(231, 181, 65, 0.18);
}

.btn-gold:hover {
  color: #2e392f;
  background: var(--gold-hover);
  transform: translateY(-1px);
}

.btn-light-pill {
  padding: 0.55rem 1.05rem;
  color: #4c5d50;
  background: var(--white);
  border: 1px solid var(--line);
  font-size: 0.875rem;
}

html[data-theme="dark"] .btn-light-pill {
  color: #344137;
  background: #f7f7f2;
}