/* ---------- block header ---------- */
.block-header {
  position: relative;
  flex: none;
  padding: 8px clamp(10px, 3vw, 20px);
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}

.block-bar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.block-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1 1 auto;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--elevated);
  color: var(--text);
  font-weight: 600;
}

.block-btn .swatch {
  flex: none;
}

.block-btn .block-name {
  min-width: 0;
  line-height: 1.2;
  text-align: left;
}

.block-btn .name-ja,
.block-btn .name-en {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.block-btn .name-en {
  font-size: .68rem;
  font-weight: 400;
  color: var(--muted);
}

.block-btn .caret {
  color: var(--muted);
}

/* middle of the right menu zone */
.jump-form-slot {
  flex: none;
  padding: 10px clamp(10px, 3vw, 20px);
  background: var(--panel);
}

.jump {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel-2);
  padding: 0 4px 0 8px;
  overflow: hidden;
}

.jump:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.jump-prefix {
  color: var(--muted);
  font-size: .82rem;
  font-variant-numeric: tabular-nums;
}

.jump-input {
  width: clamp(6.5rem, 22vw, 10rem);
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text);
  padding: 6px 4px;
  font-size: .9rem;
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

.jump-input:focus {
  outline: none;
}

.jump-input::placeholder {
  text-transform: none;
  color: var(--muted);
}

.jump-input.invalid {
  color: var(--danger);
}

.jump:has(.jump-input.invalid) {
  border-color: var(--danger);
  animation: shake .3s;
}

.jump-go {
  flex: none;
  border: none;
  background: transparent;
  color: var(--accent);
  font-size: 1.05rem;
  padding: 3px 5px;
  border-radius: 6px;
}

.jump-go:hover {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}

@keyframes shake {
  25% {
    transform: translateX(-3px);
  }

  75% {
    transform: translateX(3px);
  }
}