/* ---------- menu (hamburger) ---------- */

.menu-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4.5px;
  z-index: 20;
  cursor: pointer;
}
.menu-btn span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--text-dim);
  transition: transform 0.2s, opacity 0.2s, background 0.15s;
}
.menu-btn:hover span { background: var(--accent); }
.menu-btn.open span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.menu-panel {
  position: fixed;
  top: 60px;
  right: 20px;
  min-width: 220px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  z-index: 19;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.menu-search {
  margin-bottom: 8px;
  padding: 7px 10px;
  font-size: 0.85rem;
}
.menu-divider {
  height: 1px;
  background: var(--hairline);
  margin: 6px 0;
}
.menu-link, .menu-link.as-btn {
  display: block;
  width: 100%;
  text-align: left;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-dim);
  background: transparent;
  border: none;
  padding: 7px 10px;
  border-radius: 3px;
  cursor: pointer;
}
.menu-link:hover, .menu-link.as-btn:hover {
  background: var(--bg-warm);
  color: var(--accent);
  border-bottom: none;
}
.menu-form { margin: 0; padding: 0; }