.seq-channel-toggle{border:1px solid var(--color-border);border-radius:var(--radius-md,10px);background:var(--color-surface);display:inline-flex;overflow:hidden}.seq-channel-btn{color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;align-items:center;gap:5px;padding:4px 10px;font-size:12px;font-weight:600;transition:background .12s,color .12s;display:inline-flex}.seq-channel-btn+.seq-channel-btn{border-left:1px solid var(--color-border)}.seq-channel-btn:hover{background:var(--color-surface-alt)}.seq-channel-btn.is-active{background:var(--color-accent-soft);color:var(--color-accent)}.seq-hints{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.seq-hint{font-family:var(--font-mono,monospace);border-radius:var(--radius-sm,6px);border:1px solid var(--color-border);background:var(--color-surface-alt);color:var(--color-text-secondary);cursor:pointer;padding:2px 8px;font-size:11px;transition:background .12s,color .12s,border-color .12s}.seq-hint:hover{background:var(--color-accent-soft);color:var(--color-accent);border-color:var(--color-accent)}